diff --git a/.gitignore b/.gitignore
index c6512218..5f02f8d1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,6 +21,7 @@ local.properties
# Native libs
objectbox*.dll
libobjectbox*.so
+libobjectbox*.dylib
### Test DB files
data.mdb
diff --git a/Jenkinsfile b/Jenkinsfile
index 8af0b4e4..a7b8499b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,23 +1,92 @@
+// dev branch only: every 30 minutes at night (1:00 - 5:00)
+String cronSchedule = BRANCH_NAME == 'dev' ? '*/30 1-5 * * *' : ''
+String buildsToKeep = '500'
+
+String gradleArgs = '-Dorg.gradle.daemon=false --stacktrace'
+boolean isPublish = BRANCH_NAME == 'publish'
+String versionPostfix = isPublish ? '' : BRANCH_NAME // Build script detects empty string as not set.
+
// https://jenkins.io/doc/book/pipeline/syntax/
pipeline {
- agent any
+ agent { label 'java' }
+
+ environment {
+ GITLAB_URL = credentials('gitlab_url')
+ MVN_REPO_LOGIN = credentials('objectbox_internal_mvn_user')
+ MVN_REPO_URL = credentials('objectbox_internal_mvn_repo_http')
+ MVN_REPO_ARGS = "-PinternalObjectBoxRepo=$MVN_REPO_URL " +
+ "-PinternalObjectBoxRepoUser=$MVN_REPO_LOGIN_USR " +
+ "-PinternalObjectBoxRepoPassword=$MVN_REPO_LOGIN_PSW"
+ MVN_REPO_UPLOAD_URL = credentials('objectbox_internal_mvn_repo')
+ MVN_REPO_UPLOAD_ARGS = "-PpreferredRepo=$MVN_REPO_UPLOAD_URL " +
+ "-PpreferredUsername=$MVN_REPO_LOGIN_USR " +
+ "-PpreferredPassword=$MVN_REPO_LOGIN_PSW " +
+ "-PversionPostFix=$versionPostfix"
+ // Note: for key use Jenkins secret file with PGP key as text in ASCII-armored format.
+ ORG_GRADLE_PROJECT_signingKeyFile = credentials('objectbox_signing_key')
+ ORG_GRADLE_PROJECT_signingKeyId = credentials('objectbox_signing_key_id')
+ ORG_GRADLE_PROJECT_signingPassword = credentials('objectbox_signing_key_password')
+ }
+
+ options {
+ buildDiscarder(logRotator(numToKeepStr: buildsToKeep, artifactNumToKeepStr: buildsToKeep))
+ timeout(time: 1, unit: 'HOURS') // If build hangs (regular build should be much quicker)
+ gitLabConnection("${env.GITLAB_URL}")
+ }
triggers {
- upstream(upstreamProjects: "ObjectStore/${env.BRANCH_NAME.replaceAll("/", "%2F")}",
- threshold: hudson.model.Result.FAILURE)
+ upstream(upstreamProjects: "ObjectBox-Linux/${env.BRANCH_NAME.replaceAll("/", "%2F")}",
+ threshold: hudson.model.Result.SUCCESS)
+ cron(cronSchedule)
}
stages {
+ stage('init') {
+ steps {
+ sh 'chmod +x gradlew'
+ sh 'chmod +x ci/test-with-asan.sh'
+ sh './gradlew -version'
+
+ // "|| true" for an OK exit code if no file is found
+ sh 'rm tests/objectbox-java-test/hs_err_pid*.log || true'
+ }
+ }
+
stage('build-java') {
steps {
- // Copied file exists on CI server only
- sh 'cp /var/my-private-files/private.properties ./gradle.properties'
+ sh "./ci/test-with-asan.sh $gradleArgs $MVN_REPO_ARGS -Dextensive-tests=true clean test " +
+ "--tests io.objectbox.FunctionalTestSuite " +
+ "--tests io.objectbox.test.proguard.ObfuscatedEntityTest " +
+ "--tests io.objectbox.rx.QueryObserverTest " +
+ "--tests io.objectbox.rx3.QueryObserverTest " +
+ "spotbugsMain assemble"
+ }
+ }
- sh 'chmod +x gradlew'
+ stage('upload-to-internal') {
+ steps {
+ sh "./gradlew $gradleArgs $MVN_REPO_ARGS $MVN_REPO_UPLOAD_ARGS uploadArchives"
+ }
+ }
+
+ stage('upload-to-bintray') {
+ when { expression { return isPublish } }
+ environment {
+ BINTRAY_URL = credentials('bintray_url')
+ BINTRAY_LOGIN = credentials('bintray_login')
+ }
+ steps {
+ googlechatnotification url: 'id:gchat_java',
+ message: "*Publishing* ${currentBuild.fullDisplayName} to Bintray...\n${env.BUILD_URL}"
+
+ // Note: supply internal Maven repo as tests use native dependencies (can't publish those without the Java libraries).
+ // Note: add quotes around URL parameter to avoid line breaks due to semicolon in URL.
+ sh "./gradlew $gradleArgs $MVN_REPO_ARGS " +
+ "\"-PpreferredRepo=${BINTRAY_URL}\" -PpreferredUsername=${BINTRAY_LOGIN_USR} -PpreferredPassword=${BINTRAY_LOGIN_PSW} " +
+ "uploadArchives"
- sh './gradlew --stacktrace ' +
- '-Dextensive-tests=true ' +
- 'clean build uploadArchives -PpreferedRepo=local'
+ googlechatnotification url: 'id:gchat_java',
+ message: "Published ${currentBuild.fullDisplayName} successfully to Bintray - check https://bintray.com/objectbox/objectbox\n${env.BUILD_URL}"
}
}
@@ -27,16 +96,33 @@ pipeline {
post {
always {
junit '**/build/test-results/**/TEST-*.xml'
- }
+ archiveArtifacts artifacts: 'tests/*/hs_err_pid*.log', allowEmptyArchive: true // Only on JVM crash.
+ recordIssues(tool: spotBugs(pattern: '**/build/reports/spotbugs/*.xml', useRankAsPriority: true))
- changed {
- slackSend color: "good",
- message: "Changed to ${currentBuild.currentResult}: ${currentBuild.fullDisplayName}\n${env.BUILD_URL}"
+ googlechatnotification url: 'id:gchat_java', message: "${currentBuild.currentResult}: ${currentBuild.fullDisplayName}\n${env.BUILD_URL}",
+ notifyFailure: 'true', notifyUnstable: 'true', notifyBackToNormal: 'true'
}
failure {
- slackSend color: "danger",
- message: "Failed: ${currentBuild.fullDisplayName}\n${env.BUILD_URL}"
+ updateGitlabCommitStatus name: 'build', state: 'failed'
+
+ emailext (
+ subject: "${currentBuild.currentResult}: ${currentBuild.fullDisplayName}",
+ mimeType: 'text/html',
+ recipientProviders: [[$class: 'DevelopersRecipientProvider']],
+ body: """
+ ${currentBuild.currentResult}:
+ ${currentBuild.fullDisplayName}
+ (console)
+
+ Git: ${GIT_COMMIT} (${GIT_BRANCH})
+
Build time: ${currentBuild.durationString}
+ """
+ )
+ }
+
+ success {
+ updateGitlabCommitStatus name: 'build', state: 'success'
}
}
}
diff --git a/README.md b/README.md
index b8cecdfc..0493b6e3 100644
--- a/README.md
+++ b/README.md
@@ -1,52 +1,74 @@
+# Do you ♥️ using ObjectBox?
+[](https://twitter.com/ObjectBox_io)
+
+We want to [hear about your app](https://docs.google.com/forms/d/e/1FAIpQLScIYiOIThcq-AnDVoCvnZOMgxO4S-fBtDSFPQfWldJnhi2c7Q/viewform)!
+It will - literally - take just a minute, but help us a lot. Thank you! 🙏
+
# ObjectBox Java (Kotlin, Android)
ObjectBox is a superfast object-oriented database with strong relation support.
+ObjectBox is embedded into your Android, Linux, macOS, or Windows app.
-**Latest version: [1.1.0 (2017/10/03)](http://objectbox.io/changelog)**
+**Latest version: [2.6.0 (2020/06/09)](https://docs.objectbox.io/#objectbox-changelog)**
Demo code using ObjectBox:
- Playlist playlist = new Playlist("My Favorties");
- playlist.songs.add(new Song("Lalala"));
- playlist.songs.add(new Song("Lololo"));
- box.put(playlist);
+```java
+Playlist playlist = new Playlist("My Favorties");
+playlist.songs.add(new Song("Lalala"));
+playlist.songs.add(new Song("Lololo"));
+box.put(playlist);
+```
+
+Other languages/bindings
+------------------------
+ObjectBox supports multiple platforms and languages.
+Besides JVM based languages like Java and Kotlin, ObjectBox also offers:
+
+* [ObjectBox Swift](https://github.com/objectbox/objectbox-swift): build fast mobile apps for iOS (and macOS)
+* [ObjectBox Dart/Flutter](https://github.com/objectbox/objectbox-dart): cross-plattform for mobile and desktop apps (beta)
+* [ObjectBox Go](https://github.com/objectbox/objectbox-go): great for data-driven tools and small server applications
+* [ObjectBox C API](https://github.com/objectbox/objectbox-c): native speed with zero copy access to FlatBuffer objects
Gradle setup
------------
Add this to your root build.gradle (project level):
- buildscript {
- ext.objectboxVersion = '1.1.0'
- repositories {
- maven { url "http://objectbox.net/beta-repo/" }
- }
- dependencies {
- classpath "io.objectbox:objectbox-gradle-plugin:$objectboxVersion"
- }
-
+```groovy
+buildscript {
+ ext.objectboxVersion = '2.6.0'
+ dependencies {
+ classpath "io.objectbox:objectbox-gradle-plugin:$objectboxVersion"
}
-
- allprojects {
- repositories {
- maven { url "http://objectbox.net/beta-repo/" }
- }
- }
-
+}
+```
+
And this to our app's build.gradle (module level):
- apply plugin: 'io.objectbox' // after applying Android plugin
+```groovy
+apply plugin: 'io.objectbox' // after applying Android plugin
+```
First steps
-----------
+Create data object class `@Entity`, for example "Playlist".
+```java
+@Entity public class Playlist { ... }
+```
+Now build the project to let ObjectBox generate the class `MyObjectBox` for you.
+
Prepare the BoxStore object once for your app, e.g. in `onCreate` in your Application class:
- boxStore = MyObjectBox.builder().androidContext(this).build();
+```java
+boxStore = MyObjectBox.builder().androidContext(this).build();
+```
-Create data object class `@Entity`, for example "Playlist".
-Then get a `Box` class for this entity class:
-
- Box box = boxStore.boxFor(Playlist.class);
+Then get a `Box` class for the Playlist entity class:
+
+```java
+Box box = boxStore.boxFor(Playlist.class);
+```
The `Box` object gives you access to all major functions, like `put`, `get`, `remove`, and `query`.
@@ -54,13 +76,12 @@ For details please check the [docs](http://objectbox.io/documentation/).
Links
-----
-[Features](http://objectbox.io/features/)
+[Features](https://objectbox.io/features/)
-[Documentation](http://objectbox.io/documentation/)
+[Docs & Changelog](https://docs.objectbox.io/), [JavaDocs](https://objectbox.io/docfiles/java/current/)
[Examples](https://github.com/objectbox/objectbox-examples)
-[Changelog](http://objectbox.io/changelog/)
We love to get your feedback
----------------------------
@@ -70,7 +91,7 @@ Thanks!
License
-------
- Copyright 2017 ObjectBox Ltd. All rights reserved.
+ Copyright 2017-2020 ObjectBox Ltd. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
diff --git a/build.gradle b/build.gradle
index 26accd63..ca14ec4c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,26 +1,59 @@
-// Just too many sub projects, so each can reference rootProject.version
-version = '1.1.0'
-
buildscript {
ext {
- isLinux = System.getProperty("os.name").contains("Linux")
- is64 = System.getProperty("sun.arch.data.model") == "64"
- isLinux64 = isLinux && is64
+ // Typically, only edit those two:
+ def objectboxVersionNumber = '2.6.0' // without "-SNAPSHOT", e.g. '2.5.0' or '2.4.0-RC'
+ def objectboxVersionRelease = true // set to true for releasing to ignore versionPostFix to avoid e.g. "-dev" versions
+
+ // version post fix: '-' or '' if not defined; e.g. used by CI to pass in branch name
+ def versionPostFixValue = project.findProperty('versionPostFix')
+ def versionPostFix = versionPostFixValue ? "-$versionPostFixValue" : ''
+ ob_version = objectboxVersionNumber + (objectboxVersionRelease? "" : "$versionPostFix-SNAPSHOT")
+
+ // Native library version for tests
+ // Be careful to diverge here; easy to forget and hard to find JNI problems
+ def nativeVersion = objectboxVersionNumber + (objectboxVersionRelease? "": "-dev-SNAPSHOT")
+ def osName = System.getProperty("os.name").toLowerCase()
+ def objectboxPlatform = osName.contains('linux') ? 'linux'
+ : osName.contains("windows")? 'windows'
+ : osName.contains("mac")? 'macos'
+ : 'unsupported'
+ ob_native_dep = "io.objectbox:objectbox-$objectboxPlatform:$nativeVersion"
+
+ junit_version = '4.13'
+ mockito_version = '3.3.3'
+ kotlin_version = '1.3.72'
+ dokka_version = '0.10.1'
+
+ println "version=$ob_version"
+ println "objectboxNativeDependency=$ob_native_dep"
}
repositories {
+ mavenCentral()
jcenter()
+ maven {
+ url "https://plugins.gradle.org/m2/"
+ }
}
+
dependencies {
- classpath 'com.android.tools.build:gradle:2.3.3'
+ classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+ classpath "org.jetbrains.dokka:dokka-gradle-plugin:$dokka_version"
+ classpath "gradle.plugin.com.github.spotbugs.snom:spotbugs-gradle-plugin:4.0.5"
}
}
allprojects {
+ group = 'io.objectbox'
+ version = ob_version
+
repositories {
- jcenter()
mavenCentral()
- mavenLocal()
+ jcenter()
+ }
+
+ configurations.all {
+ resolutionStrategy.cacheChangingModulesFor 0, 'seconds' // SNAPSHOTS
}
}
@@ -32,16 +65,19 @@ if (JavaVersion.current().isJava8Compatible()) {
}
}
-def projectNamesToPublish =
- ['objectbox',
- 'objectbox-java-api',
- 'objectbox-java',
- 'objectbox-kotlin',
- 'objectbox-generator',
- 'objectbox-daocompat',
- 'linux',
- 'msbuild',
- ]
+def projectNamesToPublish = [
+ 'objectbox-java-api',
+ 'objectbox-java',
+ 'objectbox-kotlin',
+ 'objectbox-rxjava',
+ 'objectbox-rxjava3'
+]
+
+def hasSigningProperties() {
+ return (project.hasProperty('signingKeyId')
+ && project.hasProperty('signingKeyFile')
+ && project.hasProperty('signingPassword'))
+}
configure(subprojects.findAll { projectNamesToPublish.contains(it.name) }) {
apply plugin: 'maven'
@@ -52,13 +88,15 @@ configure(subprojects.findAll { projectNamesToPublish.contains(it.name) }) {
}
dependencies {
- deployerJars 'org.apache.maven.wagon:wagon-webdav:1.0-beta-2'
- deployerJars 'org.apache.maven.wagon:wagon-ftp:2.2'
+ // Using an older version to remain compatible with Wagon API used by Gradle/Maven
+ deployerJars 'org.apache.maven.wagon:wagon-webdav-jackrabbit:3.2.0'
+ deployerJars 'org.apache.maven.wagon:wagon-ftp:3.3.2'
}
signing {
- if (project.hasProperty('signing.keyId') && project.hasProperty('signing.password') &&
- project.hasProperty('signing.secretKeyRingFile')) {
+ if (hasSigningProperties()) {
+ String signingKey = new File(signingKeyFile).text
+ useInMemoryPgpKeys(signingKeyId, signingKey, signingPassword)
sign configurations.archives
} else {
println "Signing information missing/incomplete for ${project.name}"
@@ -70,34 +108,50 @@ configure(subprojects.findAll { projectNamesToPublish.contains(it.name) }) {
uploadArchives {
repositories {
mavenDeployer {
- if (project.hasProperty('preferedRepo') && preferedRepo == 'local') {
+ def preferredRepo = project.findProperty('preferredRepo')
+ println "preferredRepo=$preferredRepo"
+
+ if (preferredRepo == 'local') {
repository url: repositories.mavenLocal().url
- } else if (project.hasProperty('preferedRepo') && project.hasProperty('preferedUsername')
- && project.hasProperty('preferedPassword')) {
+ println "Uploading archives to mavenLocal()."
+ } else if (preferredRepo != null
+ && project.hasProperty('preferredUsername')
+ && project.hasProperty('preferredPassword')) {
+ if (!hasSigningProperties()) {
+ throw new InvalidUserDataException("To upload to repo signing is required.")
+ }
+
configuration = configurations.deployerJars
- // Replace for bintray's dynamic URL
- preferedRepo = preferedRepo.replace('__groupId__', project.group)
- preferedRepo = preferedRepo.replace('__artifactId__', project.archivesBaseName)
- // println preferedRepo
- repository(url: preferedRepo) {
- authentication(userName: preferedUsername, password: preferedPassword)
+
+ // replace placeholders
+ def repositoryUrl = preferredRepo
+ .replace('__groupId__', project.group)
+ .replace('__artifactId__', project.archivesBaseName)
+ repository(url: repositoryUrl) {
+ authentication(userName: preferredUsername, password: preferredPassword)
}
- } else if (project.hasProperty('sonatypeUsername') && project.hasProperty('sonatypePassword')) {
+
+ println "Uploading archives to $repositoryUrl."
+ } else if (project.hasProperty('sonatypeUsername')
+ && project.hasProperty('sonatypePassword')) {
beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
+
def isSnapshot = version.endsWith('-SNAPSHOT')
- def sonatypeRepositoryUrl = isSnapshot ?
- "https://oss.sonatype.org/content/repositories/snapshots/"
+ def sonatypeRepositoryUrl = isSnapshot
+ ? "https://oss.sonatype.org/content/repositories/snapshots/"
: "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
repository(url: sonatypeRepositoryUrl) {
authentication(userName: sonatypeUsername, password: sonatypePassword)
}
+
+ println "Uploading archives to $sonatypeRepositoryUrl."
} else {
- println "Settings sonatypeUsername/sonatypePassword missing/incomplete for ${project.name}"
+ println "WARNING: preferredRepo or credentials NOT set, can not upload archives."
}
pom.project {
packaging 'jar'
- url 'http://objectbox.io'
+ url 'https://objectbox.io'
scm {
url 'https://github.com/objectbox/objectbox-java'
@@ -119,7 +173,7 @@ configure(subprojects.findAll { projectNamesToPublish.contains(it.name) }) {
organization {
name 'ObjectBox Ltd.'
- url 'http://objectbox.io'
+ url 'https://objectbox.io'
}
}
}
@@ -128,7 +182,6 @@ configure(subprojects.findAll { projectNamesToPublish.contains(it.name) }) {
}
}
-task wrapper(type: Wrapper) {
- gradleVersion = '4.1'
- distributionType = org.gradle.api.tasks.wrapper.Wrapper.DistributionType.ALL
+wrapper {
+ distributionType = Wrapper.DistributionType.ALL
}
diff --git a/ci/Jenkinsfile-Windows b/ci/Jenkinsfile-Windows
new file mode 100644
index 00000000..31a69fe9
--- /dev/null
+++ b/ci/Jenkinsfile-Windows
@@ -0,0 +1,61 @@
+String buildsToKeep = '500'
+
+String gradleArgs = '-Dorg.gradle.daemon=false --stacktrace'
+
+// https://jenkins.io/doc/book/pipeline/syntax/
+pipeline {
+ agent { label 'windows' }
+
+ environment {
+ GITLAB_URL = credentials('gitlab_url')
+ MVN_REPO_URL = credentials('objectbox_internal_mvn_repo_http')
+ MVN_REPO_LOGIN = credentials('objectbox_internal_mvn_user')
+ MVN_REPO_ARGS = "-PinternalObjectBoxRepo=$MVN_REPO_URL " +
+ "-PinternalObjectBoxRepoUser=$MVN_REPO_LOGIN_USR " +
+ "-PinternalObjectBoxRepoPassword=$MVN_REPO_LOGIN_PSW"
+ }
+
+ options {
+ buildDiscarder(logRotator(numToKeepStr: buildsToKeep, artifactNumToKeepStr: buildsToKeep))
+ gitLabConnection("${env.GITLAB_URL}")
+ }
+
+ triggers {
+ upstream(upstreamProjects: "objectbox-windows/${env.BRANCH_NAME.replaceAll("/", "%2F")}",
+ threshold: hudson.model.Result.SUCCESS)
+ }
+
+ stages {
+ stage('init') {
+ steps {
+ bat 'gradlew -version'
+
+ // "cmd /c" for an OK exit code if no file is found
+ bat 'cmd /c del tests\\objectbox-java-test\\hs_err_pid*.log'
+ }
+ }
+
+ stage('build-java') {
+ steps {
+ bat "gradlew $gradleArgs $MVN_REPO_ARGS cleanTest build test"
+ }
+ }
+ }
+
+ // For global vars see /jenkins/pipeline-syntax/globals
+ post {
+ always {
+ junit '**/build/test-results/**/TEST-*.xml'
+ archiveArtifacts artifacts: 'tests/*/hs_err_pid*.log', allowEmptyArchive: true // Only on JVM crash.
+ // currently unused: archiveArtifacts '**/build/reports/findbugs/*'
+ }
+
+ failure {
+ updateGitlabCommitStatus name: 'build-windows', state: 'failed'
+ }
+
+ success {
+ updateGitlabCommitStatus name: 'build-windows', state: 'success'
+ }
+ }
+}
diff --git a/ci/test-with-asan.sh b/ci/test-with-asan.sh
new file mode 100644
index 00000000..8220f44b
--- /dev/null
+++ b/ci/test-with-asan.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -e
+
+if [ -z "$ASAN_LIB_SO" ]; then
+ export ASAN_LIB_SO="$(find /usr/lib/llvm-7/ -name libclang_rt.asan-x86_64.so | head -1)"
+fi
+
+if [ -z "$ASAN_SYMBOLIZER_PATH" ]; then
+ export ASAN_SYMBOLIZER_PATH="$(find /usr/lib/llvm-7 -name llvm-symbolizer | head -1 )"
+fi
+
+if [ -z "$ASAN_OPTIONS" ]; then
+ export ASAN_OPTIONS="detect_leaks=0"
+fi
+
+echo "ASAN_LIB_SO: $ASAN_LIB_SO"
+echo "ASAN_SYMBOLIZER_PATH: $ASAN_SYMBOLIZER_PATH"
+echo "ASAN_OPTIONS: $ASAN_OPTIONS"
+ls -l $ASAN_LIB_SO
+ls -l $ASAN_SYMBOLIZER_PATH
+
+if [[ $# -eq 0 ]] ; then
+ args=test
+else
+ args=$@
+fi
+echo "Starting Gradle for target(s) \"$args\"..."
+pwd
+
+LD_PRELOAD=${ASAN_LIB_SO} ./gradlew ${args}
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 34cf251b..490fda85 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 6caf5b3a..6623300b 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Sat Aug 12 19:12:58 BST 2017
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-all.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755
index cccdd3d5..2fe81a7d
--- a/gradlew
+++ b/gradlew
@@ -1,5 +1,21 @@
#!/usr/bin/env sh
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
##############################################################################
##
## Gradle start up script for UN*X
@@ -28,7 +44,7 @@ APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
@@ -109,8 +125,8 @@ if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin ; then
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
@@ -138,19 +154,19 @@ if $cygwin ; then
else
eval `echo args$i`="\"$arg\""
fi
- i=$((i+1))
+ i=`expr $i + 1`
done
case $i in
- (0) set -- ;;
- (1) set -- "$args0" ;;
- (2) set -- "$args0" "$args1" ;;
- (3) set -- "$args0" "$args1" "$args2" ;;
- (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
- (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
- (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
- (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
- (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
- (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+ 0) set -- ;;
+ 1) set -- "$args0" ;;
+ 2) set -- "$args0" "$args1" ;;
+ 3) set -- "$args0" "$args1" "$args2" ;;
+ 4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+ 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+ 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+ 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+ 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+ 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
@@ -159,14 +175,9 @@ save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
-APP_ARGS=$(save "$@")
+APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
- cd "$(dirname "$0")"
-fi
-
exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
index f9553162..62bd9b9c 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -1,3 +1,19 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@@ -13,8 +29,11 @@ if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
diff --git a/javadoc-style/background.gif b/javadoc-style/background.gif
deleted file mode 100644
index ec068a06..00000000
Binary files a/javadoc-style/background.gif and /dev/null differ
diff --git a/javadoc-style/stylesheet.css b/javadoc-style/stylesheet.css
deleted file mode 100644
index c12603af..00000000
--- a/javadoc-style/stylesheet.css
+++ /dev/null
@@ -1,574 +0,0 @@
-/* Javadoc style sheet */
-/*
-Overall document style
-*/
-
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-a:active {
- text-decoration:none;
- color:#4A6782;
-}
-a[name] {
- color:#353833;
-}
-a[name]:hover {
- text-decoration:none;
- color:#353833;
-}
-pre {
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- font-size:14px;
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- font-size:14px;
- padding-top:4px;
- margin-top:8px;
- line-height:1.4em;
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-dt code {
- font-family:'DejaVu Sans Mono', monospace;
- font-size:14px;
- padding-top:4px;
-}
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- font-size:14px;
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-/*
-Document title and Copyright styles
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- clear:both;
- height:0px;
- overflow:hidden;
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- float:right;
- padding:0px 21px;
- font-size:11px;
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- margin-top:-9px;
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- margin:0 25px 0 0;
- padding:0;
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- list-style:none;
- float:left;
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- color:#FFFFFF;
- text-decoration:none;
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- text-transform:uppercase;
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-.navBarCell1Rev {
- background-color:#F8981D;
- color:#253441;
- margin: auto 5px;
-}
-.skipNav {
- position:absolute;
- top:auto;
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- clear:both;
- margin:0 20px;
- padding:5px 0 0 0;
-}
-.indexHeader {
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- color:#2c4557;
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-.footer ul {
- margin:20px 0 5px 0;
-}
-.header ul li, .footer ul li {
- list-style:none;
- font-size:13px;
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-div.details ul.blockList ul.blockList ul.blockList li.blockList h4, div.details ul.blockList ul.blockList ul.blockListLast li.blockList h4 {
- background-color:#dee3e9;
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-}
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-/*
-Page layout container styles
-*/
-.contentContainer, .sourceContainer, .classUseContainer, .serializedFormContainer, .constantValuesContainer {
- clear:both;
- padding:10px 20px;
- position:relative;
-}
-.indexContainer {
- margin:10px;
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-.indexContainer h2 {
- font-size:13px;
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-.indexContainer ul {
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- list-style:none;
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- font-size:12px;
- font-weight:bold;
- margin:10px 0 0 0;
- color:#4E4E4E;
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- margin:5px 0 10px 0px;
- font-size:14px;
- font-family:'DejaVu Sans Mono',monospace;
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-.serializedFormContainer dl.nameValue dt {
- margin-left:1px;
- font-size:1.1em;
- display:inline;
- font-weight:bold;
-}
-.serializedFormContainer dl.nameValue dd {
- margin:0 0 0 1px;
- font-size:1.1em;
- display:inline;
-}
-/*
-List styles
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-ul.horizontal li {
- display:inline;
- font-size:0.9em;
-}
-ul.inheritance {
- margin:0;
- padding:0;
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-ul.inheritance li {
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-ul.inheritance li ul.inheritance {
- margin-left:15px;
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- padding:0px 20px 5px 10px;
- border:1px solid #ededed;
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- padding:0 0 5px 8px;
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-table tr td dl, table tr td dl dt, table tr td dl dd {
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-/*
-Table styles
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-.overviewSummary, .memberSummary {
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-}
-.overviewSummary caption a:link, .memberSummary caption a:link, .typeSummary caption a:link,
-.useSummary caption a:link, .constantsSummary caption a:link, .deprecatedSummary caption a:link,
-.overviewSummary caption a:hover, .memberSummary caption a:hover, .typeSummary caption a:hover,
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-.memberSummary caption span.activeTableTab span {
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- font-weight:bold;
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diff --git a/objectbox-java-api/build.gradle b/objectbox-java-api/build.gradle
index 2217e298..1da50b0c 100644
--- a/objectbox-java-api/build.gradle
+++ b/objectbox-java-api/build.gradle
@@ -1,35 +1,20 @@
-apply plugin: 'java'
+apply plugin: 'java-library'
-group = 'io.objectbox'
-version= rootProject.version
-
-sourceCompatibility = 1.7
-targetCompatibility = 1.7
-
-javadoc {
- failOnError = false
- title = " ObjectBox API ${version} API"
- options.bottom = 'Available under the Apache License, Version 2.0 - Copyright © 2017 ObjectBox Ltd. All Rights Reserved.'
- doLast {
- copy {
- from '../javadoc-style'
- into "build/docs/javadoc/"
- }
- }
-}
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
task javadocJar(type: Jar, dependsOn: javadoc) {
- classifier = 'javadoc'
+ archiveClassifier.set('javadoc')
from 'build/docs/javadoc'
}
task sourcesJar(type: Jar) {
from sourceSets.main.allSource
- classifier = 'sources'
+ archiveClassifier.set('sources')
}
artifacts {
- archives jar
+ // java plugin adds jar.
archives javadocJar
archives sourcesJar
}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/Backlink.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/Backlink.java
index 66b04b78..2000ac4a 100644
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/Backlink.java
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/Backlink.java
@@ -26,17 +26,20 @@
/**
* Defines a backlink relation, which is based on another relation reversing the direction.
*
- * Example: one "Order" references one "Customer" (to-one relation).
+ * Example (to-one relation): one "Order" references one "Customer".
* The backlink to this is a to-many in the reverse direction: one "Customer" has a number of "Order"s.
- *
- * Note: backlinks to to-many relations will be supported in the future.
+ *
+ * Example (to-many relation): one "Teacher" references multiple "Student"s.
+ * The backlink to this: one "Student" has a number of "Teacher"s.
+ *
+ * Note: changes made to a backlink relation based on a to-many relation are ignored.
*/
@Retention(RetentionPolicy.CLASS)
@Target(ElementType.FIELD)
@Beta
public @interface Backlink {
/**
- * Name of the relation the backlink should be based on (e.g. name of a ToOne property in the target entity).
+ * Name of the relation the backlink should be based on (e.g. name of a ToOne or ToMany property in the target entity).
* Can be left empty if there is just a single relation from the target to the source entity.
*/
String to() default "";
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/BaseEntity.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/BaseEntity.java
new file mode 100644
index 00000000..b00cd2e8
--- /dev/null
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/BaseEntity.java
@@ -0,0 +1,15 @@
+package io.objectbox.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation for an entity base class.
+ * ObjectBox will include properties of an entity super class marked with this annotation.
+ */
+@Retention(RetentionPolicy.CLASS)
+@Target(ElementType.TYPE)
+public @interface BaseEntity {
+}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/DefaultValue.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/DefaultValue.java
new file mode 100644
index 00000000..1b50f0e5
--- /dev/null
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/DefaultValue.java
@@ -0,0 +1,18 @@
+package io.objectbox.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Defines the Java code of the default value to use for a property, when getting an existing entity and the database
+ * value for the property is null.
+ *
+ * Currently only {@code @DefaultValue("")} is supported.
+ */
+@Retention(RetentionPolicy.CLASS)
+@Target({ElementType.FIELD})
+public @interface DefaultValue {
+ String value();
+}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/Id.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/Id.java
index d5c01b34..c07579f8 100644
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/Id.java
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/Id.java
@@ -22,7 +22,11 @@
import java.lang.annotation.Target;
/**
- * Marks field is the primary key of the entity's table
+ * Marks the ID property of an {@link Entity @Entity}.
+ * The property must be of type long (or Long in Kotlin) and have not-private visibility
+ * (or a not-private getter and setter method).
+ *
+ * ID properties are unique and indexed by default.
*/
@Retention(RetentionPolicy.CLASS)
@Target(ElementType.FIELD)
@@ -35,8 +39,10 @@
// boolean monotonic() default false;
/**
- * Allows IDs to be assigned by the developer. This may make sense for using IDs originating somewhere else, e.g.
- * from the server.
+ * Allows IDs of new entities to be assigned manually.
+ * Warning: This has side effects, check the online documentation on self-assigned object IDs for details.
+ *
+ * This may allow re-use of IDs assigned elsewhere, e.g. by a server.
*/
boolean assignable() default false;
}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/Index.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/Index.java
index 863a0ff4..123d239a 100644
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/Index.java
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/Index.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ * Copyright 2017-2018 ObjectBox Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -22,13 +22,19 @@
import java.lang.annotation.Target;
/**
- * Specifies that the property should be indexed, which is highly recommended if you do queries using this property.
+ * Specifies that the property should be indexed.
+ *
+ * It is highly recommended to index properties that are used in a query to improve query performance.
+ *
+ * To fine tune indexing of a property you can override the default index {@link #type()}.
+ *
+ * Note: indexes are currently not supported for byte array, float or double properties.
*/
@Retention(RetentionPolicy.CLASS)
@Target(ElementType.FIELD)
public @interface Index {
-// /**
-// * Whether the unique constraint should be created with base on this index
-// */
-// boolean unique() default false;
+ /**
+ * Sets the {@link IndexType}, defaults to {@link IndexType#DEFAULT}.
+ */
+ IndexType type() default IndexType.DEFAULT;
}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/IndexType.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/IndexType.java
new file mode 100644
index 00000000..33217349
--- /dev/null
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/IndexType.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2018 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.objectbox.annotation;
+
+/**
+ * ObjectBox offers a value and two hash index types, from which it chooses a reasonable default (see {@link #DEFAULT}).
+ *
+ * For some queries/use cases it might make sense to override the default choice for optimization purposes.
+ *
+ * Note: hash indexes are currently only supported for string properties.
+ */
+public enum IndexType {
+ /**
+ * Use the default index type depending on the property type:
+ * {@link #VALUE} for scalars and {@link #HASH} for Strings.
+ */
+ DEFAULT,
+
+ /**
+ * Use the property value to build the index.
+ * For Strings this may occupy more space than the default setting.
+ */
+ VALUE,
+
+ /**
+ * Use a (fast non-cryptographic) hash of the property value to build the index.
+ * Internally, it uses a 32 bit hash with a decent hash collision behavior.
+ * Because occasional collisions do not really impact performance, this is usually a better choice than
+ * {@link #HASH64} as it takes less space.
+ */
+ HASH,
+
+ /**
+ * Use a long (fast non-cryptographic) hash of the property value to build the index.
+ */
+ HASH64
+}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/Keep.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/Keep.java
deleted file mode 100644
index 2ed50dd5..00000000
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/Keep.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright 2017 ObjectBox Ltd. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.objectbox.annotation;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * Specifies that the target should be kept during next run of ObjectBox generation.
- *
- * Using this annotation on an Entity class itself silently disables any class modification.
- * The user is responsible to write and support any code which is required for ObjectBox.
- *
- *
- * Don't use this annotation on a class member if you are not completely sure what you are doing, because in
- * case of model changes ObjectBox will not be able to make corresponding changes into the code of the target.
- *
- *
- * @see Generated
- */
-@Retention(RetentionPolicy.CLASS)
-@Target({ElementType.FIELD, ElementType.CONSTRUCTOR, ElementType.METHOD, ElementType.TYPE})
-@Deprecated
-public @interface Keep {
-}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/NotNull.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/NotNull.java
index b2ab6bc3..4e6f2681 100644
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/NotNull.java
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/NotNull.java
@@ -30,5 +30,5 @@
*/
@Retention(RetentionPolicy.CLASS)
@Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})
-/** TODO public */ @interface NotNull {
+/* TODO public */ @interface NotNull {
}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/OrderBy.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/OrderBy.java
index 8264f849..5ec7d2f0 100644
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/OrderBy.java
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/OrderBy.java
@@ -28,7 +28,7 @@
*/
@Retention(RetentionPolicy.CLASS)
@Target(ElementType.FIELD)
-/** TODO public */ @interface OrderBy {
+/* TODO public */ @interface OrderBy {
/**
* Comma-separated list of properties, e.g. "propertyA, propertyB, propertyC"
* To specify direction, add ASC or DESC after property name, e.g.: "propertyA DESC, propertyB ASC"
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/Relation.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/Relation.java
deleted file mode 100644
index d6f54173..00000000
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/Relation.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright 2017 ObjectBox Ltd. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.objectbox.annotation;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-import io.objectbox.annotation.apihint.Beta;
-import io.objectbox.annotation.apihint.Temporary;
-
-/**
- * Optional annotation for ToOnes to specify a property serving as an ID to the target.
- * Note: this annotation will likely be renamed/changed in the next version.
- */
-@Retention(RetentionPolicy.CLASS)
-@Target(ElementType.FIELD)
-@Beta
-@Temporary
-@Deprecated
-public @interface Relation {
- /**
- * Name of the property (in the source entity) holding the id (key) as a base for this to-one relation.
- */
- String idProperty() default "";
-}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/Generated.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/Unique.java
similarity index 65%
rename from objectbox-java-api/src/main/java/io/objectbox/annotation/Generated.java
rename to objectbox-java-api/src/main/java/io/objectbox/annotation/Unique.java
index c7d7465b..a7963feb 100644
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/Generated.java
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/Unique.java
@@ -22,16 +22,14 @@
import java.lang.annotation.Target;
/**
- * Marks that a field, constructor or method was generated by ObjectBox
- * All the code elements that are marked with this annotation can be changed/removed during next run of generation in
- * respect of model changes.
- *
- * @see Keep
+ * Enforces that the value of a property is unique among all objects in a box before an object can be put.
+ *
+ * Trying to put an object with offending values will result in a UniqueViolationException.
+ *
+ * Unique properties are based on an {@link Index @Index}, so the same restrictions apply.
+ * It is supported to explicitly add the {@link Index @Index} annotation to configure the index.
*/
@Retention(RetentionPolicy.CLASS)
-@Target({ElementType.FIELD, ElementType.CONSTRUCTOR, ElementType.METHOD})
-@Deprecated
-public @interface Generated {
- /** A hash to identify the generated code */
- int value() default -1;
+@Target(ElementType.FIELD)
+public @interface Unique {
}
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/apihint/package-info.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/apihint/package-info.java
new file mode 100644
index 00000000..6bcafc47
--- /dev/null
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/apihint/package-info.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2019 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Annotations to mark APIs as for example {@link io.objectbox.annotation.apihint.Internal @Internal}
+ * or {@link io.objectbox.annotation.apihint.Experimental @Experimental}.
+ */
+package io.objectbox.annotation.apihint;
\ No newline at end of file
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/package-info.java b/objectbox-java-api/src/main/java/io/objectbox/annotation/package-info.java
new file mode 100644
index 00000000..65c31fb1
--- /dev/null
+++ b/objectbox-java-api/src/main/java/io/objectbox/annotation/package-info.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2019 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Annotations to mark a class as an {@link io.objectbox.annotation.Entity @Entity},
+ * to specify the {@link io.objectbox.annotation.Id @Id} property,
+ * to create an {@link io.objectbox.annotation.Index @Index} or
+ * a {@link io.objectbox.annotation.Transient @Transient} property.
+ *
+ * For more details look at the documentation of individual classes and
+ * docs.objectbox.io/entity-annotations.
+ */
+package io.objectbox.annotation;
\ No newline at end of file
diff --git a/objectbox-java-api/src/main/java/io/objectbox/converter/PropertyConverter.java b/objectbox-java-api/src/main/java/io/objectbox/converter/PropertyConverter.java
index 7c3369ff..6d65717f 100644
--- a/objectbox-java-api/src/main/java/io/objectbox/converter/PropertyConverter.java
+++ b/objectbox-java-api/src/main/java/io/objectbox/converter/PropertyConverter.java
@@ -23,6 +23,8 @@
*
* - Converters are created by the default constructor
* - Converters must be implemented thread-safe
+ * - Converters must not interact with the database (such as using Box or BoxStore)
+ * - Converters must handle null values
*
*/
public interface PropertyConverter {
diff --git a/objectbox-java-api/src/main/java/io/objectbox/converter/package-info.java b/objectbox-java-api/src/main/java/io/objectbox/converter/package-info.java
new file mode 100644
index 00000000..2c11b294
--- /dev/null
+++ b/objectbox-java-api/src/main/java/io/objectbox/converter/package-info.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2019 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * For use with {@link io.objectbox.annotation.Convert @Convert}: {@link io.objectbox.converter.PropertyConverter}
+ * to convert custom property types.
+ *
+ * For more details look at the documentation of individual classes and
+ * docs.objectbox.io/advanced/custom-types.
+ */
+package io.objectbox.converter;
\ No newline at end of file
diff --git a/objectbox-java/build.gradle b/objectbox-java/build.gradle
index 2b0961f9..c93e7fd3 100644
--- a/objectbox-java/build.gradle
+++ b/objectbox-java/build.gradle
@@ -1,32 +1,22 @@
-apply plugin: 'java'
-apply plugin: 'findbugs'
+apply plugin: 'java-library'
+apply plugin: "com.github.spotbugs"
-targetCompatibility = '1.7'
-sourceCompatibility = '1.7'
+sourceCompatibility = JavaVersion.VERSION_1_8
+targetCompatibility = JavaVersion.VERSION_1_8
-group = 'io.objectbox'
-version= rootProject.version
-
-tasks.withType(FindBugs) {
- reports {
- xml.enabled false
- html.enabled true
- }
- ignoreFailures = true
+dependencies {
+ api project(':objectbox-java-api')
+ implementation 'org.greenrobot:essentials:3.0.0-RC1'
+ implementation 'com.google.flatbuffers:flatbuffers-java:1.12.0'
+ api 'com.google.code.findbugs:jsr305:3.0.2'
}
-dependencies {
- compile fileTree(include: ['*.jar'], dir: 'libs')
- compile project(':objectbox-java-api')
- compile 'org.greenrobot:essentials:3.0.0-RC1'
- compile 'com.google.code.findbugs:jsr305:3.0.2'
+spotbugs {
+ ignoreFailures = true
}
javadoc {
- failOnError = false
- title = " ObjectBox Java ${version} API"
- options.bottom = 'Available under the Apache License, Version 2.0 - Copyright © 2017 ObjectBox Ltd. All Rights Reserved.'
- exclude("**/com/google/**")
+ // Hide internal API from javadoc artifact.
exclude("**/io/objectbox/Cursor.java")
exclude("**/io/objectbox/KeyValueCursor.java")
exclude("**/io/objectbox/ModelBuilder.java")
@@ -37,29 +27,91 @@ javadoc {
exclude("**/io/objectbox/internal/**")
exclude("**/io/objectbox/reactive/DataPublisherUtils.java")
exclude("**/io/objectbox/reactive/WeakDataObserver.java")
+}
+
+// Note: use packageJavadocForWeb to get as ZIP.
+// Note: the style changes only work if using JDK 10+.
+task javadocForWeb(type: Javadoc) {
+ group = 'documentation'
+ description = 'Builds Javadoc incl. objectbox-java-api classes with web tweaks.'
+
def srcApi = project(':objectbox-java-api').file('src/main/java/')
if (!srcApi.directory) throw new GradleScriptException("Not a directory: ${srcApi}", null)
- source += srcApi
+ // Hide internal API from javadoc artifact.
+ def filteredSources = sourceSets.main.allJava.matching {
+ exclude("**/io/objectbox/Cursor.java")
+ exclude("**/io/objectbox/KeyValueCursor.java")
+ exclude("**/io/objectbox/ModelBuilder.java")
+ exclude("**/io/objectbox/Properties.java")
+ exclude("**/io/objectbox/Transaction.java")
+ exclude("**/io/objectbox/model/**")
+ exclude("**/io/objectbox/ideasonly/**")
+ exclude("**/io/objectbox/internal/**")
+ exclude("**/io/objectbox/reactive/DataPublisherUtils.java")
+ exclude("**/io/objectbox/reactive/WeakDataObserver.java")
+ }
+ source = filteredSources + srcApi
+
+ classpath = sourceSets.main.output + sourceSets.main.compileClasspath
+ destinationDir = reporting.file("web-api-docs")
+
+ title = "ObjectBox Java ${version} API"
+ options.bottom = 'Available under the Apache License, Version 2.0 - Copyright © 2017-2020 ObjectBox Ltd. All Rights Reserved.'
+
doLast {
- copy {
- from '../javadoc-style'
- into "build/docs/javadoc/"
- }
+ // Note: frequently check the vanilla stylesheet.css if values still match.
+ def stylesheetPath = "$destinationDir/stylesheet.css"
+
+ // Primary background
+ ant.replace(file: stylesheetPath, token: "#4D7A97", value: "#17A6A6")
+
+ // "Active" background
+ ant.replace(file: stylesheetPath, token: "#F8981D", value: "#7DDC7D")
+
+ // Hover
+ ant.replace(file: stylesheetPath, token: "#bb7a2a", value: "#E61955")
+
+ // Note: in CSS stylesheets the last added rule wins, so append to default stylesheet.
+ // Code blocks
+ file(stylesheetPath).append("pre {\nwhite-space: normal;\noverflow-x: auto;\n}\n")
+ // Member summary tables
+ file(stylesheetPath).append(".memberSummary {\noverflow: auto;\n}\n")
+ // Descriptions and signatures
+ file(stylesheetPath).append(".block {\n" +
+ " display:block;\n" +
+ " margin:3px 10px 2px 0px;\n" +
+ " color:#474747;\n" +
+ " overflow:auto;\n" +
+ "}")
+ }
+}
+
+task packageJavadocForWeb(type: Zip, dependsOn: javadocForWeb) {
+ group = 'documentation'
+ description = 'Packages Javadoc incl. objectbox-java-api classes with web tweaks as ZIP.'
+
+ archiveFileName = "objectbox-java-web-api-docs.zip"
+ destinationDirectory = file("$buildDir/dist")
+
+ from reporting.file("web-api-docs")
+
+ doLast {
+ println "Javadoc for web packaged to ${file("$buildDir/dist/objectbox-java-web-api-docs.zip")}"
}
}
task javadocJar(type: Jar, dependsOn: javadoc) {
- classifier = 'javadoc'
+ archiveClassifier.set('javadoc')
from 'build/docs/javadoc'
}
task sourcesJar(type: Jar) {
from sourceSets.main.allSource
- classifier = 'sources'
+ archiveClassifier.set('sources')
}
artifacts {
- archives jar
+ // java plugin adds jar.
archives javadocJar
archives sourcesJar
}
@@ -82,4 +134,4 @@ uploadArchives {
}
}
}
-}
\ No newline at end of file
+}
diff --git a/objectbox-java/src/main/java/com/google/flatbuffers/Constants.java b/objectbox-java/src/main/java/com/google/flatbuffers/Constants.java
deleted file mode 100644
index f5906314..00000000
--- a/objectbox-java/src/main/java/com/google/flatbuffers/Constants.java
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright 2014 Google Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.flatbuffers;
-
-/// @cond FLATBUFFERS_INTERNAL
-
-/**
- * Class that holds shared constants
- */
-public class Constants {
- // Java doesn't seem to have these.
- /** The number of bytes in an `byte`. */
- static final int SIZEOF_BYTE = 1;
- /** The number of bytes in a `short`. */
- static final int SIZEOF_SHORT = 2;
- /** The number of bytes in an `int`. */
- static final int SIZEOF_INT = 4;
- /** The number of bytes in an `float`. */
- static final int SIZEOF_FLOAT = 4;
- /** The number of bytes in an `long`. */
- static final int SIZEOF_LONG = 8;
- /** The number of bytes in an `double`. */
- static final int SIZEOF_DOUBLE = 8;
- /** The number of bytes in a file identifier. */
- static final int FILE_IDENTIFIER_LENGTH = 4;
-}
-
-/// @endcond
diff --git a/objectbox-java/src/main/java/com/google/flatbuffers/FlatBufferBuilder.java b/objectbox-java/src/main/java/com/google/flatbuffers/FlatBufferBuilder.java
deleted file mode 100644
index a138ed5f..00000000
--- a/objectbox-java/src/main/java/com/google/flatbuffers/FlatBufferBuilder.java
+++ /dev/null
@@ -1,858 +0,0 @@
-/*
- * Copyright 2014 Google Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.flatbuffers;
-
-import static com.google.flatbuffers.Constants.*;
-
-import java.nio.CharBuffer;
-import java.nio.charset.CharacterCodingException;
-import java.nio.charset.CharsetEncoder;
-import java.nio.charset.CoderResult;
-import java.util.Arrays;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.charset.Charset;
-
-/// @file
-/// @addtogroup flatbuffers_java_api
-/// @{
-
-/**
- * Class that helps you build a FlatBuffer. See the section
- * "Use in Java/C#" in the main FlatBuffers documentation.
- */
-public class FlatBufferBuilder {
- /// @cond FLATBUFFERS_INTERNAL
- ByteBuffer bb; // Where we construct the FlatBuffer.
- int space; // Remaining space in the ByteBuffer.
- static final Charset utf8charset = Charset.forName("UTF-8"); // The UTF-8 character set used by FlatBuffers.
- int minalign = 1; // Minimum alignment encountered so far.
- int[] vtable = null; // The vtable for the current table.
- int vtable_in_use = 0; // The amount of fields we're actually using.
- boolean nested = false; // Whether we are currently serializing a table.
- boolean finished = false; // Whether the buffer is finished.
- int object_start; // Starting offset of the current struct/table.
- int[] vtables = new int[16]; // List of offsets of all vtables.
- int num_vtables = 0; // Number of entries in `vtables` in use.
- int vector_num_elems = 0; // For the current vector being built.
- boolean force_defaults = false; // False omits default values from the serialized data.
- CharsetEncoder encoder = utf8charset.newEncoder();
- ByteBuffer dst;
- /// @endcond
-
- /**
- * Start with a buffer of size `initial_size`, then grow as required.
- *
- * @param initial_size The initial size of the internal buffer to use.
- */
- public FlatBufferBuilder(int initial_size) {
- if (initial_size <= 0) initial_size = 1;
- space = initial_size;
- bb = newByteBuffer(initial_size);
- }
-
- /**
- * Start with a buffer of 1KiB, then grow as required.
- */
- public FlatBufferBuilder() {
- this(1024);
- }
-
- /**
- * Alternative constructor allowing reuse of {@link ByteBuffer}s. The builder
- * can still grow the buffer as necessary. User classes should make sure
- * to call {@link #dataBuffer()} to obtain the resulting encoded message.
- *
- * @param existing_bb The byte buffer to reuse.
- */
- public FlatBufferBuilder(ByteBuffer existing_bb) {
- init(existing_bb);
- }
-
- /**
- * Alternative initializer that allows reusing this object on an existing
- * `ByteBuffer`. This method resets the builder's internal state, but keeps
- * objects that have been allocated for temporary storage.
- *
- * @param existing_bb The byte buffer to reuse.
- * @return Returns `this`.
- */
- public FlatBufferBuilder init(ByteBuffer existing_bb){
- bb = existing_bb;
- bb.clear();
- bb.order(ByteOrder.LITTLE_ENDIAN);
- minalign = 1;
- space = bb.capacity();
- vtable_in_use = 0;
- nested = false;
- finished = false;
- object_start = 0;
- num_vtables = 0;
- vector_num_elems = 0;
- return this;
- }
-
- /**
- * Reset the FlatBufferBuilder by purging all data that it holds.
- */
- public void clear(){
- space = bb.capacity();
- bb.clear();
- minalign = 1;
- while(vtable_in_use > 0) vtable[--vtable_in_use] = 0;
- vtable_in_use = 0;
- nested = false;
- finished = false;
- object_start = 0;
- num_vtables = 0;
- vector_num_elems = 0;
- }
-
- /// @cond FLATBUFFERS_INTERNAL
- /**
- * Create a `ByteBuffer` with a given capacity.
- *
- * @param capacity The size of the `ByteBuffer` to allocate.
- * @return Returns the new `ByteBuffer` that was allocated.
- */
- static ByteBuffer newByteBuffer(int capacity) {
- ByteBuffer newbb = ByteBuffer.allocate(capacity);
- newbb.order(ByteOrder.LITTLE_ENDIAN);
- return newbb;
- }
-
- /**
- * Doubles the size of the backing {@link ByteBuffer} and copies the old data towards the
- * end of the new buffer (since we build the buffer backwards).
- *
- * @param bb The current buffer with the existing data.
- * @return A new byte buffer with the old data copied copied to it. The data is
- * located at the end of the buffer.
- */
- static ByteBuffer growByteBuffer(ByteBuffer bb) {
- int old_buf_size = bb.capacity();
- if ((old_buf_size & 0xC0000000) != 0) // Ensure we don't grow beyond what fits in an int.
- throw new AssertionError("FlatBuffers: cannot grow buffer beyond 2 gigabytes.");
- int new_buf_size = old_buf_size << 1;
- bb.position(0);
- ByteBuffer nbb = newByteBuffer(new_buf_size);
- nbb.position(new_buf_size - old_buf_size);
- nbb.put(bb);
- return nbb;
- }
-
- /**
- * Offset relative to the end of the buffer.
- *
- * @return Offset relative to the end of the buffer.
- */
- public int offset() {
- return bb.capacity() - space;
- }
-
- /**
- * Add zero valued bytes to prepare a new entry to be added.
- *
- * @param byte_size Number of bytes to add.
- */
- public void pad(int byte_size) {
- for (int i = 0; i < byte_size; i++) bb.put(--space, (byte)0);
- }
-
- /**
- * Prepare to write an element of `size` after `additional_bytes`
- * have been written, e.g. if you write a string, you need to align such
- * the int length field is aligned to {@link com.google.flatbuffers.Constants#SIZEOF_INT}, and
- * the string data follows it directly. If all you need to do is alignment, `additional_bytes`
- * will be 0.
- *
- * @param size This is the of the new element to write.
- * @param additional_bytes The padding size.
- */
- public void prep(int size, int additional_bytes) {
- // Track the biggest thing we've ever aligned to.
- if (size > minalign) minalign = size;
- // Find the amount of alignment needed such that `size` is properly
- // aligned after `additional_bytes`
- int align_size = ((~(bb.capacity() - space + additional_bytes)) + 1) & (size - 1);
- // Reallocate the buffer if needed.
- while (space < align_size + size + additional_bytes) {
- int old_buf_size = bb.capacity();
- bb = growByteBuffer(bb);
- space += bb.capacity() - old_buf_size;
- }
- pad(align_size);
- }
-
- /**
- * Add a `boolean` to the buffer, backwards from the current location. Doesn't align nor
- * check for space.
- *
- * @param x A `boolean` to put into the buffer.
- */
- public void putBoolean(boolean x) { bb.put (space -= Constants.SIZEOF_BYTE, (byte)(x ? 1 : 0)); }
-
- /**
- * Add a `byte` to the buffer, backwards from the current location. Doesn't align nor
- * check for space.
- *
- * @param x A `byte` to put into the buffer.
- */
- public void putByte (byte x) { bb.put (space -= Constants.SIZEOF_BYTE, x); }
-
- /**
- * Add a `short` to the buffer, backwards from the current location. Doesn't align nor
- * check for space.
- *
- * @param x A `short` to put into the buffer.
- */
- public void putShort (short x) { bb.putShort (space -= Constants.SIZEOF_SHORT, x); }
-
- /**
- * Add an `int` to the buffer, backwards from the current location. Doesn't align nor
- * check for space.
- *
- * @param x An `int` to put into the buffer.
- */
- public void putInt (int x) { bb.putInt (space -= Constants.SIZEOF_INT, x); }
-
- /**
- * Add a `long` to the buffer, backwards from the current location. Doesn't align nor
- * check for space.
- *
- * @param x A `long` to put into the buffer.
- */
- public void putLong (long x) { bb.putLong (space -= Constants.SIZEOF_LONG, x); }
-
- /**
- * Add a `float` to the buffer, backwards from the current location. Doesn't align nor
- * check for space.
- *
- * @param x A `float` to put into the buffer.
- */
- public void putFloat (float x) { bb.putFloat (space -= Constants.SIZEOF_FLOAT, x); }
-
- /**
- * Add a `double` to the buffer, backwards from the current location. Doesn't align nor
- * check for space.
- *
- * @param x A `double` to put into the buffer.
- */
- public void putDouble (double x) { bb.putDouble(space -= Constants.SIZEOF_DOUBLE, x); }
- /// @endcond
-
- /**
- * Add a `boolean` to the buffer, properly aligned, and grows the buffer (if necessary).
- *
- * @param x A `boolean` to put into the buffer.
- */
- public void addBoolean(boolean x) { prep(Constants.SIZEOF_BYTE, 0); putBoolean(x); }
-
- /**
- * Add a `byte` to the buffer, properly aligned, and grows the buffer (if necessary).
- *
- * @param x A `byte` to put into the buffer.
- */
- public void addByte (byte x) { prep(Constants.SIZEOF_BYTE, 0); putByte (x); }
-
- /**
- * Add a `short` to the buffer, properly aligned, and grows the buffer (if necessary).
- *
- * @param x A `short` to put into the buffer.
- */
- public void addShort (short x) { prep(Constants.SIZEOF_SHORT, 0); putShort (x); }
-
- /**
- * Add an `int` to the buffer, properly aligned, and grows the buffer (if necessary).
- *
- * @param x An `int` to put into the buffer.
- */
- public void addInt (int x) { prep(Constants.SIZEOF_INT, 0); putInt (x); }
-
- /**
- * Add a `long` to the buffer, properly aligned, and grows the buffer (if necessary).
- *
- * @param x A `long` to put into the buffer.
- */
- public void addLong (long x) { prep(Constants.SIZEOF_LONG, 0); putLong (x); }
-
- /**
- * Add a `float` to the buffer, properly aligned, and grows the buffer (if necessary).
- *
- * @param x A `float` to put into the buffer.
- */
- public void addFloat (float x) { prep(Constants.SIZEOF_FLOAT, 0); putFloat (x); }
-
- /**
- * Add a `double` to the buffer, properly aligned, and grows the buffer (if necessary).
- *
- * @param x A `double` to put into the buffer.
- */
- public void addDouble (double x) { prep(Constants.SIZEOF_DOUBLE, 0); putDouble (x); }
-
- /**
- * Adds on offset, relative to where it will be written.
- *
- * @param off The offset to add.
- */
- public void addOffset(int off) {
- prep(SIZEOF_INT, 0); // Ensure alignment is already done.
- assert off <= offset();
- off = offset() - off + SIZEOF_INT;
- putInt(off);
- }
-
- /// @cond FLATBUFFERS_INTERNAL
- /**
- * Start a new array/vector of objects. Users usually will not call
- * this directly. The `FlatBuffers` compiler will create a start/end
- * method for vector types in generated code.
- *
- * The expected sequence of calls is:
- *
- * - Start the array using this method.
- * - Call {@link #addOffset(int)} `num_elems` number of times to set
- * the offset of each element in the array.
- * - Call {@link #endVector()} to retrieve the offset of the array.
- *
- *
- * For example, to create an array of strings, do:
- *
{@code
- * // Need 10 strings
- * FlatBufferBuilder builder = new FlatBufferBuilder(existingBuffer);
- * int[] offsets = new int[10];
- *
- * for (int i = 0; i < 10; i++) {
- * offsets[i] = fbb.createString(" " + i);
- * }
- *
- * // Have the strings in the buffer, but don't have a vector.
- * // Add a vector that references the newly created strings:
- * builder.startVector(4, offsets.length, 4);
- *
- * // Add each string to the newly created vector
- * // The strings are added in reverse order since the buffer
- * // is filled in back to front
- * for (int i = offsets.length - 1; i >= 0; i--) {
- * builder.addOffset(offsets[i]);
- * }
- *
- * // Finish off the vector
- * int offsetOfTheVector = fbb.endVector();
- * }
- *
- * @param elem_size The size of each element in the array.
- * @param num_elems The number of elements in the array.
- * @param alignment The alignment of the array.
- */
- public void startVector(int elem_size, int num_elems, int alignment) {
- notNested();
- vector_num_elems = num_elems;
- prep(SIZEOF_INT, elem_size * num_elems);
- prep(alignment, elem_size * num_elems); // Just in case alignment > int.
- nested = true;
- }
-
- /**
- * Finish off the creation of an array and all its elements. The array
- * must be created with {@link #startVector(int, int, int)}.
- *
- * @return The offset at which the newly created array starts.
- * @see #startVector(int, int, int)
- */
- public int endVector() {
- if (!nested)
- throw new AssertionError("FlatBuffers: endVector called without startVector");
- nested = false;
- putInt(vector_num_elems);
- return offset();
- }
- /// @endcond
-
- /**
- * Create a new array/vector and return a ByteBuffer to be filled later.
- * Call {@link #endVector} after this method to get an offset to the beginning
- * of vector.
- *
- * @param elem_size the size of each element in bytes.
- * @param num_elems number of elements in the vector.
- * @param alignment byte alignment.
- * @return ByteBuffer with position and limit set to the space allocated for the array.
- */
- public ByteBuffer createUnintializedVector(int elem_size, int num_elems, int alignment) {
- int length = elem_size * num_elems;
- startVector(elem_size, num_elems, alignment);
-
- bb.position(space -= length);
-
- // Slice and limit the copy vector to point to the 'array'
- ByteBuffer copy = bb.slice().order(ByteOrder.LITTLE_ENDIAN);
- copy.limit(length);
- return copy;
- }
-
- /**
- * Create a vector of tables.
- *
- * @param offsets Offsets of the tables.
- * @return Returns offset of the vector.
- */
- public int createVectorOfTables(int[] offsets) {
- notNested();
- startVector(Constants.SIZEOF_INT, offsets.length, Constants.SIZEOF_INT);
- for(int i = offsets.length - 1; i >= 0; i--) addOffset(offsets[i]);
- return endVector();
- }
-
- /**
- * Create a vector of sorted by the key tables.
- *
- * @param obj Instance of the table subclass.
- * @param offsets Offsets of the tables.
- * @return Returns offset of the sorted vector.
- */
- public int createSortedVectorOfTables(T obj, int[] offsets) {
- obj.sortTables(offsets, bb);
- return createVectorOfTables(offsets);
- }
-
- /**
- * Encode the string `s` in the buffer using UTF-8. If {@code s} is
- * already a {@link CharBuffer}, this method is allocation free.
- *
- * @param s The string to encode.
- * @return The offset in the buffer where the encoded string starts.
- */
- public int createString(CharSequence s) {
- int length = s.length();
- int estimatedDstCapacity = (int) (length * encoder.maxBytesPerChar());
- if (dst == null || dst.capacity() < estimatedDstCapacity) {
- dst = ByteBuffer.allocate(Math.max(128, estimatedDstCapacity));
- }
-
- dst.clear();
-
- CharBuffer src = s instanceof CharBuffer ? (CharBuffer) s :
- CharBuffer.wrap(s);
- CoderResult result = encoder.encode(src, dst, true);
- if (result.isError()) {
- try {
- result.throwException();
- } catch (CharacterCodingException x) {
- throw new Error(x);
- }
- }
-
- dst.flip();
- return createString(dst);
- }
-
- /**
- * Create a string in the buffer from an already encoded UTF-8 string in a ByteBuffer.
- *
- * @param s An already encoded UTF-8 string as a `ByteBuffer`.
- * @return The offset in the buffer where the encoded string starts.
- */
- public int createString(ByteBuffer s) {
- int length = s.remaining();
- addByte((byte)0);
- startVector(1, length, 1);
- bb.position(space -= length);
- bb.put(s);
- return endVector();
- }
-
- /**
- * Create a byte array in the buffer.
- *
- * @param arr A source array with data
- * @return The offset in the buffer where the encoded array starts.
- */
- public int createByteVector(byte[] arr) {
- int length = arr.length;
- startVector(1, length, 1);
- bb.position(space -= length);
- bb.put(arr);
- return endVector();
- }
-
- /// @cond FLATBUFFERS_INTERNAL
- /**
- * Should not be accessing the final buffer before it is finished.
- */
- public void finished() {
- if (!finished)
- throw new AssertionError(
- "FlatBuffers: you can only access the serialized buffer after it has been" +
- " finished by FlatBufferBuilder.finish().");
- }
-
- /**
- * Should not be creating any other object, string or vector
- * while an object is being constructed.
- */
- public void notNested() {
- if (nested)
- throw new AssertionError("FlatBuffers: object serialization must not be nested.");
- }
-
- /**
- * Structures are always stored inline, they need to be created right
- * where they're used. You'll get this assertion failure if you
- * created it elsewhere.
- *
- * @param obj The offset of the created object.
- */
- public void Nested(int obj) {
- if (obj != offset())
- throw new AssertionError("FlatBuffers: struct must be serialized inline.");
- }
-
- /**
- * Start encoding a new object in the buffer. Users will not usually need to
- * call this directly. The `FlatBuffers` compiler will generate helper methods
- * that call this method internally.
- *
- * For example, using the "Monster" code found on the "landing page". An
- * object of type `Monster` can be created using the following code:
- *
- *
{@code
- * int testArrayOfString = Monster.createTestarrayofstringVector(fbb, new int[] {
- * fbb.createString("test1"),
- * fbb.createString("test2")
- * });
- *
- * Monster.startMonster(fbb);
- * Monster.addPos(fbb, Vec3.createVec3(fbb, 1.0f, 2.0f, 3.0f, 3.0,
- * Color.Green, (short)5, (byte)6));
- * Monster.addHp(fbb, (short)80);
- * Monster.addName(fbb, str);
- * Monster.addInventory(fbb, inv);
- * Monster.addTestType(fbb, (byte)Any.Monster);
- * Monster.addTest(fbb, mon2);
- * Monster.addTest4(fbb, test4);
- * Monster.addTestarrayofstring(fbb, testArrayOfString);
- * int mon = Monster.endMonster(fbb);
- * }
- *
- * Here:
- *
- * - The call to `Monster#startMonster(FlatBufferBuilder)` will call this
- * method with the right number of fields set.
- * - `Monster#endMonster(FlatBufferBuilder)` will ensure {@link #endObject()} is called.
- *
- *
- * It's not recommended to call this method directly. If it's called manually, you must ensure
- * to audit all calls to it whenever fields are added or removed from your schema. This is
- * automatically done by the code generated by the `FlatBuffers` compiler.
- *
- * @param numfields The number of fields found in this object.
- */
- public void startObject(int numfields) {
- notNested();
- if (vtable == null || vtable.length < numfields) vtable = new int[numfields];
- vtable_in_use = numfields;
- Arrays.fill(vtable, 0, vtable_in_use, 0);
- nested = true;
- object_start = offset();
- }
-
- /**
- * Add a `boolean` to a table at `o` into its vtable, with value `x` and default `d`.
- *
- * @param o The index into the vtable.
- * @param x A `boolean` to put into the buffer, depending on how defaults are handled. If
- * `force_defaults` is `false`, compare `x` against the default value `d`. If `x` contains the
- * default value, it can be skipped.
- * @param d A `boolean` default value to compare against when `force_defaults` is `false`.
- */
- public void addBoolean(int o, boolean x, boolean d) { if(force_defaults || x != d) { addBoolean(x); slot(o); } }
-
- /**
- * Add a `byte` to a table at `o` into its vtable, with value `x` and default `d`.
- *
- * @param o The index into the vtable.
- * @param x A `byte` to put into the buffer, depending on how defaults are handled. If
- * `force_defaults` is `false`, compare `x` against the default value `d`. If `x` contains the
- * default value, it can be skipped.
- * @param d A `byte` default value to compare against when `force_defaults` is `false`.
- */
- public void addByte (int o, byte x, int d) { if(force_defaults || x != d) { addByte (x); slot(o); } }
-
- /**
- * Add a `short` to a table at `o` into its vtable, with value `x` and default `d`.
- *
- * @param o The index into the vtable.
- * @param x A `short` to put into the buffer, depending on how defaults are handled. If
- * `force_defaults` is `false`, compare `x` against the default value `d`. If `x` contains the
- * default value, it can be skipped.
- * @param d A `short` default value to compare against when `force_defaults` is `false`.
- */
- public void addShort (int o, short x, int d) { if(force_defaults || x != d) { addShort (x); slot(o); } }
-
- /**
- * Add an `int` to a table at `o` into its vtable, with value `x` and default `d`.
- *
- * @param o The index into the vtable.
- * @param x An `int` to put into the buffer, depending on how defaults are handled. If
- * `force_defaults` is `false`, compare `x` against the default value `d`. If `x` contains the
- * default value, it can be skipped.
- * @param d An `int` default value to compare against when `force_defaults` is `false`.
- */
- public void addInt (int o, int x, int d) { if(force_defaults || x != d) { addInt (x); slot(o); } }
-
- /**
- * Add a `long` to a table at `o` into its vtable, with value `x` and default `d`.
- *
- * @param o The index into the vtable.
- * @param x A `long` to put into the buffer, depending on how defaults are handled. If
- * `force_defaults` is `false`, compare `x` against the default value `d`. If `x` contains the
- * default value, it can be skipped.
- * @param d A `long` default value to compare against when `force_defaults` is `false`.
- */
- public void addLong (int o, long x, long d) { if(force_defaults || x != d) { addLong (x); slot(o); } }
-
- /**
- * Add a `float` to a table at `o` into its vtable, with value `x` and default `d`.
- *
- * @param o The index into the vtable.
- * @param x A `float` to put into the buffer, depending on how defaults are handled. If
- * `force_defaults` is `false`, compare `x` against the default value `d`. If `x` contains the
- * default value, it can be skipped.
- * @param d A `float` default value to compare against when `force_defaults` is `false`.
- */
- public void addFloat (int o, float x, double d) { if(force_defaults || x != d) { addFloat (x); slot(o); } }
-
- /**
- * Add a `double` to a table at `o` into its vtable, with value `x` and default `d`.
- *
- * @param o The index into the vtable.
- * @param x A `double` to put into the buffer, depending on how defaults are handled. If
- * `force_defaults` is `false`, compare `x` against the default value `d`. If `x` contains the
- * default value, it can be skipped.
- * @param d A `double` default value to compare against when `force_defaults` is `false`.
- */
- public void addDouble (int o, double x, double d) { if(force_defaults || x != d) { addDouble (x); slot(o); } }
-
- /**
- * Add an `offset` to a table at `o` into its vtable, with value `x` and default `d`.
- *
- * @param o The index into the vtable.
- * @param x An `offset` to put into the buffer, depending on how defaults are handled. If
- * `force_defaults` is `false`, compare `x` against the default value `d`. If `x` contains the
- * default value, it can be skipped.
- * @param d An `offset` default value to compare against when `force_defaults` is `false`.
- */
- public void addOffset (int o, int x, int d) { if(force_defaults || x != d) { addOffset (x); slot(o); } }
-
- /**
- * Add a struct to the table. Structs are stored inline, so nothing additional is being added.
- *
- * @param voffset The index into the vtable.
- * @param x The offset of the created struct.
- * @param d The default value is always `0`.
- */
- public void addStruct(int voffset, int x, int d) {
- if(x != d) {
- Nested(x);
- slot(voffset);
- }
- }
-
- /**
- * Set the current vtable at `voffset` to the current location in the buffer.
- *
- * @param voffset The index into the vtable to store the offset relative to the end of the
- * buffer.
- */
- public void slot(int voffset) {
- vtable[voffset] = offset();
- }
-
- /**
- * Finish off writing the object that is under construction.
- *
- * @return The offset to the object inside {@link #dataBuffer()}.
- * @see #startObject(int)
- */
- public int endObject() {
- if (vtable == null || !nested)
- throw new AssertionError("FlatBuffers: endObject called without startObject");
- addInt(0);
- int vtableloc = offset();
- // Write out the current vtable.
- for (int i = vtable_in_use - 1; i >= 0 ; i--) {
- // Offset relative to the start of the table.
- short off = (short)(vtable[i] != 0 ? vtableloc - vtable[i] : 0);
- addShort(off);
- }
-
- final int standard_fields = 2; // The fields below:
- addShort((short)(vtableloc - object_start));
- addShort((short)((vtable_in_use + standard_fields) * SIZEOF_SHORT));
-
- // Search for an existing vtable that matches the current one.
- int existing_vtable = 0;
- outer_loop:
- for (int i = 0; i < num_vtables; i++) {
- int vt1 = bb.capacity() - vtables[i];
- int vt2 = space;
- short len = bb.getShort(vt1);
- if (len == bb.getShort(vt2)) {
- for (int j = SIZEOF_SHORT; j < len; j += SIZEOF_SHORT) {
- if (bb.getShort(vt1 + j) != bb.getShort(vt2 + j)) {
- continue outer_loop;
- }
- }
- existing_vtable = vtables[i];
- break outer_loop;
- }
- }
-
- if (existing_vtable != 0) {
- // Found a match:
- // Remove the current vtable.
- space = bb.capacity() - vtableloc;
- // Point table to existing vtable.
- bb.putInt(space, existing_vtable - vtableloc);
- } else {
- // No match:
- // Add the location of the current vtable to the list of vtables.
- if (num_vtables == vtables.length) vtables = Arrays.copyOf(vtables, num_vtables * 2);
- vtables[num_vtables++] = offset();
- // Point table to current vtable.
- bb.putInt(bb.capacity() - vtableloc, offset() - vtableloc);
- }
-
- nested = false;
- return vtableloc;
- }
-
- /**
- * Checks that a required field has been set in a given table that has
- * just been constructed.
- *
- * @param table The offset to the start of the table from the `ByteBuffer` capacity.
- * @param field The offset to the field in the vtable.
- */
- public void required(int table, int field) {
- int table_start = bb.capacity() - table;
- int vtable_start = table_start - bb.getInt(table_start);
- boolean ok = bb.getShort(vtable_start + field) != 0;
- // If this fails, the caller will show what field needs to be set.
- if (!ok)
- throw new AssertionError("FlatBuffers: field " + field + " must be set");
- }
- /// @endcond
-
- /**
- * Finalize a buffer, pointing to the given `root_table`.
- *
- * @param root_table An offset to be added to the buffer.
- */
- public void finish(int root_table) {
- prep(minalign, SIZEOF_INT);
- addOffset(root_table);
- bb.position(space);
- finished = true;
- }
-
- /**
- * Finalize a buffer, pointing to the given `root_table`.
- *
- * @param root_table An offset to be added to the buffer.
- * @param file_identifier A FlatBuffer file identifier to be added to the buffer before
- * `root_table`.
- */
- public void finish(int root_table, String file_identifier) {
- prep(minalign, SIZEOF_INT + FILE_IDENTIFIER_LENGTH);
- if (file_identifier.length() != FILE_IDENTIFIER_LENGTH)
- throw new AssertionError("FlatBuffers: file identifier must be length " +
- FILE_IDENTIFIER_LENGTH);
- for (int i = FILE_IDENTIFIER_LENGTH - 1; i >= 0; i--) {
- addByte((byte)file_identifier.charAt(i));
- }
- finish(root_table);
- }
-
- /**
- * In order to save space, fields that are set to their default value
- * don't get serialized into the buffer. Forcing defaults provides a
- * way to manually disable this optimization.
- *
- * @param forceDefaults When set to `true`, always serializes default values.
- * @return Returns `this`.
- */
- public FlatBufferBuilder forceDefaults(boolean forceDefaults){
- this.force_defaults = forceDefaults;
- return this;
- }
-
- /**
- * Get the ByteBuffer representing the FlatBuffer. Only call this after you've
- * called `finish()`. The actual data starts at the ByteBuffer's current position,
- * not necessarily at `0`.
- *
- * @return The {@link ByteBuffer} representing the FlatBuffer
- */
- public ByteBuffer dataBuffer() {
- finished();
- return bb;
- }
-
- /**
- * The FlatBuffer data doesn't start at offset 0 in the {@link ByteBuffer}, but
- * now the {@code ByteBuffer}'s position is set to that location upon {@link #finish(int)}.
- *
- * @return The {@link ByteBuffer#position() position} the data starts in {@link #dataBuffer()}
- * @deprecated This method should not be needed anymore, but is left
- * here for the moment to document this API change. It will be removed in the future.
- */
- @Deprecated
- private int dataStart() {
- finished();
- return space;
- }
-
- /**
- * A utility function to copy and return the ByteBuffer data from `start` to
- * `start` + `length` as a `byte[]`.
- *
- * @param start Start copying at this offset.
- * @param length How many bytes to copy.
- * @return A range copy of the {@link #dataBuffer() data buffer}.
- * @throws IndexOutOfBoundsException If the range of bytes is ouf of bound.
- */
- public byte[] sizedByteArray(int start, int length){
- finished();
- byte[] array = new byte[length];
- bb.position(start);
- bb.get(array);
- return array;
- }
-
- /**
- * A utility function to copy and return the ByteBuffer data as a `byte[]`.
- *
- * @return A full copy of the {@link #dataBuffer() data buffer}.
- */
- public byte[] sizedByteArray() {
- return sizedByteArray(space, bb.capacity() - space);
- }
-}
-
-/// @}
diff --git a/objectbox-java/src/main/java/com/google/flatbuffers/Table.java b/objectbox-java/src/main/java/com/google/flatbuffers/Table.java
deleted file mode 100644
index b853842a..00000000
--- a/objectbox-java/src/main/java/com/google/flatbuffers/Table.java
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * Copyright 2014 Google Inc. All rights reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.google.flatbuffers;
-
-import static com.google.flatbuffers.Constants.*;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.CharBuffer;
-import java.nio.charset.CharacterCodingException;
-import java.nio.charset.Charset;
-import java.nio.charset.CharsetDecoder;
-import java.nio.charset.CoderResult;
-
-/// @cond FLATBUFFERS_INTERNAL
-
-/**
- * All tables in the generated code derive from this class, and add their own accessors.
- */
-public class Table {
- private final static ThreadLocal UTF8_DECODER = new ThreadLocal() {
- @Override
- protected CharsetDecoder initialValue() {
- return Charset.forName("UTF-8").newDecoder();
- }
- };
- public final static ThreadLocal UTF8_CHARSET = new ThreadLocal() {
- @Override
- protected Charset initialValue() {
- return Charset.forName("UTF-8");
- }
- };
- private final static ThreadLocal CHAR_BUFFER = new ThreadLocal();
- /** Used to hold the position of the `bb` buffer. */
- protected int bb_pos;
- /** The underlying ByteBuffer to hold the data of the Table. */
- protected ByteBuffer bb;
-
- /**
- * Get the underlying ByteBuffer.
- *
- * @return Returns the Table's ByteBuffer.
- */
- public ByteBuffer getByteBuffer() { return bb; }
-
- /**
- * Look up a field in the vtable.
- *
- * @param vtable_offset An `int` offset to the vtable in the Table's ByteBuffer.
- * @return Returns an offset into the object, or `0` if the field is not present.
- */
- protected int __offset(int vtable_offset) {
- int vtable = bb_pos - bb.getInt(bb_pos);
- return vtable_offset < bb.getShort(vtable) ? bb.getShort(vtable + vtable_offset) : 0;
- }
-
- protected static int __offset(int vtable_offset, int offset, ByteBuffer bb) {
- int vtable = bb.array().length - offset;
- return bb.getShort(vtable + vtable_offset - bb.getInt(vtable)) + vtable;
- }
-
- /**
- * Retrieve a relative offset.
- *
- * @param offset An `int` index into the Table's ByteBuffer containing the relative offset.
- * @return Returns the relative offset stored at `offset`.
- */
- protected int __indirect(int offset) {
- return offset + bb.getInt(offset);
- }
-
- protected static int __indirect(int offset, ByteBuffer bb) {
- return offset + bb.getInt(offset);
- }
-
- /**
- * Create a Java `String` from UTF-8 data stored inside the FlatBuffer.
- *
- * This allocates a new string and converts to wide chars upon each access,
- * which is not very efficient. Instead, each FlatBuffer string also comes with an
- * accessor based on __vector_as_bytebuffer below, which is much more efficient,
- * assuming your Java program can handle UTF-8 data directly.
- *
- * @param offset An `int` index into the Table's ByteBuffer.
- * @return Returns a `String` from the data stored inside the FlatBuffer at `offset`.
- */
- protected String __string(int offset) {
- CharsetDecoder decoder = UTF8_DECODER.get();
- decoder.reset();
-
- offset += bb.getInt(offset);
- ByteBuffer src = bb.duplicate().order(ByteOrder.LITTLE_ENDIAN);
- int length = src.getInt(offset);
- src.position(offset + SIZEOF_INT);
- src.limit(offset + SIZEOF_INT + length);
-
- int required = (int)((float)length * decoder.maxCharsPerByte());
- CharBuffer dst = CHAR_BUFFER.get();
- if (dst == null || dst.capacity() < required) {
- dst = CharBuffer.allocate(required);
- CHAR_BUFFER.set(dst);
- }
-
- dst.clear();
-
- try {
- CoderResult cr = decoder.decode(src, dst, true);
- if (!cr.isUnderflow()) {
- cr.throwException();
- }
- } catch (CharacterCodingException x) {
- throw new Error(x);
- }
-
- return dst.flip().toString();
- }
-
- /**
- * Get the length of a vector.
- *
- * @param offset An `int` index into the Table's ByteBuffer.
- * @return Returns the length of the vector whose offset is stored at `offset`.
- */
- protected int __vector_len(int offset) {
- offset += bb_pos;
- offset += bb.getInt(offset);
- return bb.getInt(offset);
- }
-
- /**
- * Get the start data of a vector.
- *
- * @param offset An `int` index into the Table's ByteBuffer.
- * @return Returns the start of the vector data whose offset is stored at `offset`.
- */
- protected int __vector(int offset) {
- offset += bb_pos;
- return offset + bb.getInt(offset) + SIZEOF_INT; // data starts after the length
- }
-
- /**
- * Get a whole vector as a ByteBuffer.
- *
- * This is efficient, since it only allocates a new {@link ByteBuffer} object,
- * but does not actually copy the data, it still refers to the same bytes
- * as the original ByteBuffer. Also useful with nested FlatBuffers, etc.
- *
- * @param vector_offset The position of the vector in the byte buffer
- * @param elem_size The size of each element in the array
- * @return The {@link ByteBuffer} for the array
- */
- protected ByteBuffer __vector_as_bytebuffer(int vector_offset, int elem_size) {
- int o = __offset(vector_offset);
- if (o == 0) return null;
- ByteBuffer bb = this.bb.duplicate().order(ByteOrder.LITTLE_ENDIAN);
- int vectorstart = __vector(o);
- bb.position(vectorstart);
- bb.limit(vectorstart + __vector_len(o) * elem_size);
- return bb;
- }
-
- /**
- * Initialize any Table-derived type to point to the union at the given `offset`.
- *
- * @param t A `Table`-derived type that should point to the union at `offset`.
- * @param offset An `int` index into the Table's ByteBuffer.
- * @return Returns the Table that points to the union at `offset`.
- */
- protected Table __union(Table t, int offset) {
- offset += bb_pos;
- t.bb_pos = offset + bb.getInt(offset);
- t.bb = bb;
- return t;
- }
-
- /**
- * Check if a {@link ByteBuffer} contains a file identifier.
- *
- * @param bb A {@code ByteBuffer} to check if it contains the identifier
- * `ident`.
- * @param ident A `String` identifier of the FlatBuffer file.
- * @return True if the buffer contains the file identifier
- */
- protected static boolean __has_identifier(ByteBuffer bb, String ident) {
- if (ident.length() != FILE_IDENTIFIER_LENGTH)
- throw new AssertionError("FlatBuffers: file identifier must be length " +
- FILE_IDENTIFIER_LENGTH);
- for (int i = 0; i < FILE_IDENTIFIER_LENGTH; i++) {
- if (ident.charAt(i) != (char)bb.get(bb.position() + SIZEOF_INT + i)) return false;
- }
- return true;
- }
-
- /**
- * Sort tables by the key.
- *
- * @param offsets An 'int' indexes of the tables into the bb.
- * @param bb A {@code ByteBuffer} to get the tables.
- */
- protected void sortTables(int[] offsets, final ByteBuffer bb) {
- Integer[] off = new Integer[offsets.length];
- for (int i = 0; i < offsets.length; i++) off[i] = offsets[i];
- java.util.Arrays.sort(off, new java.util.Comparator() {
- public int compare(Integer o1, Integer o2) {
- return keysCompare(o1, o2, bb);
- }
- });
- for (int i = 0; i < offsets.length; i++) offsets[i] = off[i];
- }
-
- /**
- * Compare two tables by the key.
- *
- * @param o1 An 'Integer' index of the first key into the bb.
- * @param o2 An 'Integer' index of the second key into the bb.
- * @param bb A {@code ByteBuffer} to get the keys.
- */
- protected int keysCompare(Integer o1, Integer o2, ByteBuffer bb) { return 0; }
-
- /**
- * Compare two strings in the buffer.
- *
- * @param offset_1 An 'int' index of the first string into the bb.
- * @param offset_2 An 'int' index of the second string into the bb.
- * @param bb A {@code ByteBuffer} to get the strings.
- */
- protected static int compareStrings(int offset_1, int offset_2, ByteBuffer bb) {
- offset_1 += bb.getInt(offset_1);
- offset_2 += bb.getInt(offset_2);
- int len_1 = bb.getInt(offset_1);
- int len_2 = bb.getInt(offset_2);
- int startPos_1 = offset_1 + SIZEOF_INT;
- int startPos_2 = offset_2 + SIZEOF_INT;
- int len = Math.min(len_1, len_2);
- byte[] bbArray = bb.array();
- for(int i = 0; i < len; i++) {
- if (bbArray[i + startPos_1] != bbArray[i + startPos_2])
- return bbArray[i + startPos_1] - bbArray[i + startPos_2];
- }
- return len_1 - len_2;
- }
-
- /**
- * Compare string from the buffer with the 'String' object.
- *
- * @param offset_1 An 'int' index of the first string into the bb.
- * @param key Second string as a byte array.
- * @param bb A {@code ByteBuffer} to get the first string.
- */
- protected static int compareStrings(int offset_1, byte[] key, ByteBuffer bb) {
- offset_1 += bb.getInt(offset_1);
- int len_1 = bb.getInt(offset_1);
- int len_2 = key.length;
- int startPos_1 = offset_1 + Constants.SIZEOF_INT;
- int len = Math.min(len_1, len_2);
- byte[] bbArray = bb.array();
- for (int i = 0; i < len; i++) {
- if (bbArray[i + startPos_1] != key[i])
- return bbArray[i + startPos_1] - key[i];
- }
- return len_1 - len_2;
- }
-}
-
-/// @endcond
diff --git a/objectbox-java/src/main/java/io/objectbox/Box.java b/objectbox-java/src/main/java/io/objectbox/Box.java
index 937743ae..a87c0eb3 100644
--- a/objectbox-java/src/main/java/io/objectbox/Box.java
+++ b/objectbox-java/src/main/java/io/objectbox/Box.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ * Copyright 2017-2019 ObjectBox Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -19,22 +19,24 @@
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Collection;
-import java.util.Collections;
import java.util.HashMap;
+import java.util.Iterator;
import java.util.List;
import java.util.Map;
+import java.util.concurrent.Callable;
import javax.annotation.Nullable;
import javax.annotation.concurrent.ThreadSafe;
import io.objectbox.annotation.apihint.Beta;
+import io.objectbox.annotation.apihint.Experimental;
import io.objectbox.annotation.apihint.Internal;
-import io.objectbox.annotation.apihint.Temporary;
import io.objectbox.exception.DbException;
import io.objectbox.internal.CallWithHandle;
import io.objectbox.internal.IdGetter;
import io.objectbox.internal.ReflectionCache;
import io.objectbox.query.QueryBuilder;
+import io.objectbox.relation.RelationInfo;
/**
* A box to store objects of a particular class.
@@ -43,6 +45,7 @@
*/
@Beta
@ThreadSafe
+@SuppressWarnings("WeakerAccess,UnusedReturnValue,unused")
public class Box {
private final BoxStore store;
private final Class entityClass;
@@ -52,16 +55,14 @@ public class Box {
private final ThreadLocal> threadLocalReader = new ThreadLocal<>();
private final IdGetter idGetter;
- private final boolean debugTx;
- private EntityInfo entityInfo;
+ private EntityInfo entityInfo;
private volatile Field boxStoreField;
Box(BoxStore store, Class entityClass) {
this.store = store;
this.entityClass = entityClass;
idGetter = store.getEntityInfo(entityClass).getIdGetter();
- debugTx = store.debugTx;
}
Cursor getReader() {
@@ -76,10 +77,7 @@ Cursor getReader() {
throw new IllegalStateException("Illegal reader TX state");
}
tx.renew();
- cursor.renew(tx);
- if (debugTx) {
- System.out.println("Renewed: " + cursor + ", TX: " + tx);
- }
+ cursor.renew();
} else {
cursor = store.beginReadTx().createCursor(entityClass);
threadLocalReader.set(cursor);
@@ -160,6 +158,7 @@ public void closeThreadResources() {
Cursor cursor = threadLocalReader.get();
if (cursor != null) {
cursor.close();
+ cursor.getTx().close(); // a read TX is always started when the threadLocalReader is set
threadLocalReader.remove();
}
}
@@ -174,6 +173,9 @@ void txCommitted(Transaction tx) {
}
}
+ /**
+ * Called by {@link BoxStore#callInReadTx(Callable)} - does not throw so caller does not need try/finally.
+ */
void readTxFinished(Transaction tx) {
Cursor cursor = activeTxCursor.get();
if (cursor != null && cursor.getTx() == tx) {
@@ -276,112 +278,45 @@ public Map getMap(Iterable ids) {
* Returns the count of all stored objects in this box.
*/
public long count() {
- Cursor reader = getReader();
- try {
- return reader.count();
- } finally {
- releaseReader(reader);
- }
+ return count(0);
}
- @Temporary
- public List find(String propertyName, String value) {
- Cursor reader = getReader();
- try {
- return reader.find(propertyName, value);
- } finally {
- releaseReader(reader);
- }
- }
-
- @Temporary
- public List find(String propertyName, long value) {
- Cursor reader = getReader();
- try {
- return reader.find(propertyName, value);
- } finally {
- releaseReader(reader);
- }
- }
-
- @Temporary
- public List find(int propertyId, long value) {
- Cursor reader = getReader();
- try {
- return reader.find(propertyId, value);
- } finally {
- releaseReader(reader);
- }
- }
-
- @Temporary
- public List find(int propertyId, String value) {
- Cursor reader = getReader();
- try {
- return reader.find(propertyId, value);
- } finally {
- releaseReader(reader);
- }
- }
-
- @Temporary
- public List find(Property property, String value) {
+ /**
+ * Returns the count of all stored objects in this box or the given maxCount, whichever is lower.
+ *
+ * @param maxCount maximum value to count or 0 (zero) to have no maximum limit
+ */
+ public long count(long maxCount) {
Cursor reader = getReader();
try {
- return reader.find(property.dbName, value);
+ return reader.count(maxCount);
} finally {
releaseReader(reader);
}
}
- @Temporary
- public List find(Property property, long value) {
- Cursor reader = getReader();
- try {
- return reader.find(property.dbName, value);
- } finally {
- releaseReader(reader);
- }
+ /** Returns true if no objects are in this box. */
+ public boolean isEmpty() {
+ return count(1) == 0;
}
/**
* Returns all stored Objects in this Box.
+ * @return since 2.4 the returned list is always mutable (before an empty result list was immutable)
*/
public List getAll() {
+ ArrayList list = new ArrayList<>();
Cursor cursor = getReader();
try {
- T first = cursor.first();
- if (first == null) {
- return Collections.emptyList();
- } else {
- ArrayList list = new ArrayList<>();
- list.add(first);
- while (true) {
- T next = cursor.next();
- if (next != null) {
- list.add(next);
- } else {
- break;
- }
- }
- return list;
+ for (T object = cursor.first(); object != null; object = cursor.next()) {
+ list.add(object);
}
+ return list;
} finally {
releaseReader(cursor);
}
}
- /** Does not work yet, also probably won't be faster than {@link Box#getAll()}. */
- @Temporary
- public List getAll2() {
- Cursor reader = getReader();
- try {
- return reader.getAll();
- } finally {
- releaseReader(reader);
- }
- }
-
/**
* Puts the given object in the box (aka persisting it). If this is a new entity (its ID property is 0), a new ID
* will be assigned to the entity (and returned). If the entity was already put in the box before, it will be
@@ -404,7 +339,8 @@ public long put(T entity) {
/**
* Puts the given entities in a box using a single transaction.
*/
- public void put(@Nullable T... entities) {
+ @SafeVarargs // Not using T... as Object[], no ClassCastException expected.
+ public final void put(@Nullable T... entities) {
if (entities == null || entities.length == 0) {
return;
}
@@ -442,23 +378,56 @@ public void put(@Nullable Collection entities) {
}
}
+ /**
+ * Puts the given entities in a box in batches using a separate transaction for each batch.
+ *
+ * @param entities It is fine to pass null or an empty collection:
+ * this case is handled efficiently without overhead.
+ * @param batchSize Number of entities that will be put in one transaction. Must be 1 or greater.
+ */
+ public void putBatched(@Nullable Collection entities, int batchSize) {
+ if (batchSize < 1) {
+ throw new IllegalArgumentException("Batch size must be 1 or greater but was " + batchSize);
+ }
+ if (entities == null) {
+ return;
+ }
+
+ Iterator iterator = entities.iterator();
+ while (iterator.hasNext()) {
+ Cursor cursor = getWriter();
+ try {
+ int number = 0;
+ while (number++ < batchSize && iterator.hasNext()) {
+ cursor.put(iterator.next());
+ }
+ commitWriter(cursor);
+ } finally {
+ releaseWriter(cursor);
+ }
+ }
+ }
+
/**
* Removes (deletes) the Object by its ID.
+ * @return true if an entity was actually removed (false if no entity exists with the given ID)
*/
- public void remove(long id) {
+ public boolean remove(long id) {
Cursor cursor = getWriter();
+ boolean removed;
try {
- cursor.deleteEntity(id);
+ removed = cursor.deleteEntity(id);
commitWriter(cursor);
} finally {
releaseWriter(cursor);
}
+ return removed;
}
/**
* Removes (deletes) Objects by their ID in a single transaction.
*/
- public void remove(long... ids) {
+ public void remove(@Nullable long... ids) {
if (ids == null || ids.length == 0) {
return;
}
@@ -475,9 +444,17 @@ public void remove(long... ids) {
}
/**
- * Due to type erasure collision, we cannot simply use "remove" as a method name here.
+ * @deprecated use {@link #removeByIds(Collection)} instead.
*/
+ @Deprecated
public void removeByKeys(@Nullable Collection ids) {
+ removeByIds(ids);
+ }
+
+ /**
+ * Due to type erasure collision, we cannot simply use "remove" as a method name here.
+ */
+ public void removeByIds(@Nullable Collection ids) {
if (ids == null || ids.isEmpty()) {
return;
}
@@ -494,22 +471,27 @@ public void removeByKeys(@Nullable Collection ids) {
/**
* Removes (deletes) the given Object.
+ * @return true if an entity was actually removed (false if no entity exists with the given ID)
*/
- public void remove(T object) {
+ public boolean remove(T object) {
Cursor cursor = getWriter();
+ boolean removed;
try {
- long key = cursor.getId(object);
- cursor.deleteEntity(key);
+ long id = cursor.getId(object);
+ removed = cursor.deleteEntity(id);
commitWriter(cursor);
} finally {
releaseWriter(cursor);
}
+ return removed;
}
/**
* Removes (deletes) the given Objects in a single transaction.
*/
- public void remove(@Nullable T... objects) {
+ @SafeVarargs // Not using T... as Object[], no ClassCastException expected.
+ @SuppressWarnings("Duplicates") // Detected duplicate has different type
+ public final void remove(@Nullable T... objects) {
if (objects == null || objects.length == 0) {
return;
}
@@ -528,6 +510,7 @@ public void remove(@Nullable T... objects) {
/**
* Removes (deletes) the given Objects in a single transaction.
*/
+ @SuppressWarnings("Duplicates") // Detected duplicate has different type
public void remove(@Nullable Collection objects) {
if (objects == null || objects.isEmpty()) {
return;
@@ -557,6 +540,17 @@ public void removeAll() {
}
}
+ /**
+ * WARNING: this method should generally be avoided as it is not transactional and thus may leave the DB in an
+ * inconsistent state. It may be the a last resort option to recover from a full DB.
+ * Like removeAll(), it removes all objects, returns the count of objects removed.
+ * Logs progress using warning log level.
+ */
+ @Experimental
+ public long panicModeRemoveAll() {
+ return store.panicModeRemoveAllObjects(getEntityInfo().getEntityId());
+ }
+
/**
* Returns a builder to create queries for Object matching supplied criteria.
*/
@@ -568,7 +562,7 @@ public BoxStore getStore() {
return store;
}
- public synchronized EntityInfo getEntityInfo() {
+ public synchronized EntityInfo getEntityInfo() {
if (entityInfo == null) {
Cursor reader = getReader();
try {
@@ -597,11 +591,6 @@ public void attach(T entity) {
}
}
- // Sketching future API extension
- private boolean isEmpty() {
- return false;
- }
-
// Sketching future API extension
private boolean isChanged(T entity) {
return false;
@@ -617,7 +606,7 @@ public Class getEntityClass() {
}
@Internal
- public List internalGetBacklinkEntities(int entityId, Property relationIdProperty, long key) {
+ public List internalGetBacklinkEntities(int entityId, Property relationIdProperty, long key) {
Cursor reader = getReader();
try {
return reader.getBacklinkEntities(entityId, relationIdProperty, key);
@@ -627,15 +616,55 @@ public List internalGetBacklinkEntities(int entityId, Property relationIdProp
}
@Internal
- public List internalGetRelationEntities(int sourceEntityId, int relationId, long key) {
+ public List internalGetRelationEntities(int sourceEntityId, int relationId, long key, boolean backlink) {
Cursor reader = getReader();
try {
- return reader.getRelationEntities(sourceEntityId, relationId, key);
+ return reader.getRelationEntities(sourceEntityId, relationId, key, backlink);
} finally {
releaseReader(reader);
}
}
+ @Internal
+ public long[] internalGetRelationIds(int sourceEntityId, int relationId, long key, boolean backlink) {
+ Cursor reader = getReader();
+ try {
+ return reader.getRelationIds(sourceEntityId, relationId, key, backlink);
+ } finally {
+ releaseReader(reader);
+ }
+ }
+
+ /**
+ * Given a ToMany relation and the ID of a source entity gets the target entities of the relation from their box,
+ * for example {@code orderBox.getRelationEntities(Customer_.orders, customer.getId())}.
+ */
+ public List getRelationEntities(RelationInfo relationInfo, long id) {
+ return internalGetRelationEntities(relationInfo.sourceInfo.getEntityId(), relationInfo.relationId, id, false);
+ }
+
+ /**
+ * Given a ToMany relation and the ID of a target entity gets all source entities pointing to this target entity,
+ * for example {@code customerBox.getRelationEntities(Customer_.orders, order.getId())}.
+ */
+ public List getRelationBacklinkEntities(RelationInfo relationInfo, long id) {
+ return internalGetRelationEntities(relationInfo.sourceInfo.getEntityId(), relationInfo.relationId, id, true);
+ }
+
+ /**
+ * Like {@link #getRelationEntities(RelationInfo, long)}, but only returns the IDs of the target entities.
+ */
+ public long[] getRelationIds(RelationInfo relationInfo, long id) {
+ return internalGetRelationIds(relationInfo.sourceInfo.getEntityId(), relationInfo.relationId, id, false);
+ }
+
+ /**
+ * Like {@link #getRelationBacklinkEntities(RelationInfo, long)}, but only returns the IDs of the source entities.
+ */
+ public long[] getRelationBacklinkIds(RelationInfo relationInfo, long id) {
+ return internalGetRelationIds(relationInfo.sourceInfo.getEntityId(), relationInfo.relationId, id, true);
+ }
+
@Internal
public RESULT internalCallWithReaderHandle(CallWithHandle task) {
Cursor reader = getReader();
diff --git a/objectbox-java/src/main/java/io/objectbox/BoxStore.java b/objectbox-java/src/main/java/io/objectbox/BoxStore.java
index 41e30294..e2a20ef7 100644
--- a/objectbox-java/src/main/java/io/objectbox/BoxStore.java
+++ b/objectbox-java/src/main/java/io/objectbox/BoxStore.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ * Copyright 2017-2019 ObjectBox Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -39,13 +39,12 @@
import javax.annotation.Nullable;
import javax.annotation.concurrent.ThreadSafe;
-import io.objectbox.annotation.apihint.Beta;
import io.objectbox.annotation.apihint.Experimental;
import io.objectbox.annotation.apihint.Internal;
import io.objectbox.converter.PropertyConverter;
import io.objectbox.exception.DbException;
+import io.objectbox.exception.DbExceptionListener;
import io.objectbox.exception.DbSchemaException;
-import io.objectbox.internal.CrashReportLogger;
import io.objectbox.internal.NativeLibraryLoader;
import io.objectbox.internal.ObjectBoxThreadPool;
import io.objectbox.reactive.DataObserver;
@@ -56,13 +55,35 @@
* Represents an ObjectBox database and gives you {@link Box}es to get and put Objects of a specific type
* (see {@link #boxFor(Class)}).
*/
-@Beta
+@SuppressWarnings({"unused", "UnusedReturnValue", "SameParameterValue", "WeakerAccess"})
@ThreadSafe
public class BoxStore implements Closeable {
+ /** On Android used for native library loading. */
+ @Nullable private static Object context;
+ @Nullable private static Object relinker;
+
+ /** Change so ReLinker will update native library when using workaround loading. */
+ public static final String JNI_VERSION = "2.6.0";
+
+ private static final String VERSION = "2.6.0-2020-06-09";
private static BoxStore defaultStore;
- private static Set openFiles = new HashSet<>();
+ /** Currently used DB dirs with values from {@link #getCanonicalPath(File)}. */
+ private static final Set openFiles = new HashSet<>();
+ private static volatile Thread openFilesCheckerThread;
+
+ @Nullable
+ @Internal
+ public static synchronized Object getContext() {
+ return context;
+ }
+
+ @Nullable
+ @Internal
+ public static synchronized Object getRelinker() {
+ return relinker;
+ }
/**
* Convenience singleton instance which gets set up using {@link BoxStoreBuilder#buildDefault()}.
@@ -97,15 +118,24 @@ public static synchronized boolean clearDefaultStore() {
return existedBefore;
}
- public static native String getVersionNative();
+ /** Gets the Version of ObjectBox Java. */
+ public static String getVersion() {
+ return VERSION;
+ }
+
+ static native String nativeGetVersion();
+
+ /** Gets the Version of ObjectBox Core. */
+ public static String getVersionNative() {
+ NativeLibraryLoader.ensureLoaded();
+ return nativeGetVersion();
+ }
/**
* Diagnostics: If this method crashes on a device, please send us the logcat output.
*/
public static native void testUnalignedMemoryAccess();
- public static native void setCrashReportLogger(CrashReportLogger crashReportLogger);
-
static native long nativeCreate(String directory, long maxDbSizeInKByte, int maxReaders, byte[] model);
static native void nativeDelete(long store);
@@ -116,42 +146,47 @@ public static synchronized boolean clearDefaultStore() {
static native long nativeBeginReadTx(long store);
- static native long nativeCreateIndex(long store, String name, int entityId, int propertyId);
-
-
/** @return entity ID */
// TODO only use ids once we have them in Java
- static native int nativeRegisterEntityClass(long store, String entityName, Class entityClass);
+ static native int nativeRegisterEntityClass(long store, String entityName, Class entityClass);
// TODO only use ids once we have them in Java
static native void nativeRegisterCustomType(long store, int entityId, int propertyId, String propertyName,
- Class converterClass, Class customType);
+ Class converterClass, Class customType);
static native String nativeDiagnose(long store);
static native int nativeCleanStaleReadTransactions(long store);
- static native String startObjectBrowser(long store, String urlPath, int port);
+ static native void nativeSetDbExceptionListener(long store, DbExceptionListener dbExceptionListener);
- public static native boolean isObjectBrowserAvailable();
+ static native void nativeSetDebugFlags(long store, int debugFlags);
- public static String getVersion() {
- return "1.1.0-2017-10-01";
+ static native String nativeStartObjectBrowser(long store, @Nullable String urlPath, int port);
+
+ static native boolean nativeIsObjectBrowserAvailable();
+
+ public static boolean isObjectBrowserAvailable() {
+ NativeLibraryLoader.ensureLoaded();
+ return nativeIsObjectBrowserAvailable();
}
+ native long nativePanicModeRemoveAllObjects(long store, int entityId);
+
private final File directory;
private final String canonicalPath;
private final long handle;
- private final Map dbNameByClass = new HashMap<>();
- private final Map entityTypeIdByClass = new HashMap<>();
- private final Map propertiesByClass = new HashMap<>();
- private final LongHashMap classByEntityTypeId = new LongHashMap<>();
+ private final Map, String> dbNameByClass = new HashMap<>();
+ private final Map, Integer> entityTypeIdByClass = new HashMap<>();
+ private final Map, EntityInfo> propertiesByClass = new HashMap<>();
+ private final LongHashMap> classByEntityTypeId = new LongHashMap<>();
private final int[] allEntityTypeIds;
- private final Map boxes = new ConcurrentHashMap<>();
- private final Set transactions = Collections.newSetFromMap(new WeakHashMap());
+ private final Map, Box> boxes = new ConcurrentHashMap<>();
+ private final Set transactions = Collections.newSetFromMap(new WeakHashMap<>());
private final ExecutorService threadPool = new ObjectBoxThreadPool(this);
private final ObjectClassPublisher objectClassPublisher;
- final boolean debugTx;
+ final boolean debugTxRead;
+ final boolean debugTxWrite;
final boolean debugRelations;
/** Set when running inside TX */
@@ -166,36 +201,38 @@ public static String getVersion() {
private int objectBrowserPort;
+ private final int queryAttempts;
+
+ private final TxCallback failedReadTxAttemptCallback;
+
BoxStore(BoxStoreBuilder builder) {
+ context = builder.context;
+ relinker = builder.relinker;
NativeLibraryLoader.ensureLoaded();
directory = builder.directory;
- if (directory.exists()) {
- if (!directory.isDirectory()) {
- throw new DbException("Is not a directory: " + directory.getAbsolutePath());
- }
- } else if (!directory.mkdirs()) {
- throw new DbException("Could not create directory: " + directory.getAbsolutePath());
- }
- try {
- canonicalPath = directory.getCanonicalPath();
- } catch (IOException e) {
- throw new DbException("Could not verify dir", e);
- }
+ canonicalPath = getCanonicalPath(directory);
verifyNotAlreadyOpen(canonicalPath);
- handle = nativeCreate(directory.getAbsolutePath(), builder.maxSizeInKByte, builder.maxReaders, builder.model);
- debugTx = builder.debugTransactions;
+ handle = nativeCreate(canonicalPath, builder.maxSizeInKByte, builder.maxReaders, builder.model);
+ int debugFlags = builder.debugFlags;
+ if (debugFlags != 0) {
+ nativeSetDebugFlags(handle, debugFlags);
+ debugTxRead = (debugFlags & DebugFlags.LOG_TRANSACTIONS_READ) != 0;
+ debugTxWrite = (debugFlags & DebugFlags.LOG_TRANSACTIONS_WRITE) != 0;
+ } else {
+ debugTxRead = debugTxWrite = false;
+ }
debugRelations = builder.debugRelations;
- for (EntityInfo entityInfo : builder.entityInfoList) {
+ for (EntityInfo entityInfo : builder.entityInfoList) {
try {
dbNameByClass.put(entityInfo.getEntityClass(), entityInfo.getDbName());
int entityId = nativeRegisterEntityClass(handle, entityInfo.getDbName(), entityInfo.getEntityClass());
entityTypeIdByClass.put(entityInfo.getEntityClass(), entityId);
classByEntityTypeId.put(entityId, entityInfo.getEntityClass());
propertiesByClass.put(entityInfo.getEntityClass(), entityInfo);
- for (Property property : entityInfo.getAllProperties()) {
+ for (Property property : entityInfo.getAllProperties()) {
if (property.customType != null) {
if (property.converterClass == null) {
throw new RuntimeException("No converter class for custom type of " + property);
@@ -216,30 +253,89 @@ public static String getVersion() {
}
objectClassPublisher = new ObjectClassPublisher(this);
+
+ failedReadTxAttemptCallback = builder.failedReadTxAttemptCallback;
+ queryAttempts = Math.max(builder.queryAttempts, 1);
+ }
+
+ static String getCanonicalPath(File directory) {
+ if (directory.exists()) {
+ if (!directory.isDirectory()) {
+ throw new DbException("Is not a directory: " + directory.getAbsolutePath());
+ }
+ } else if (!directory.mkdirs()) {
+ throw new DbException("Could not create directory: " + directory.getAbsolutePath());
+ }
+ try {
+ return directory.getCanonicalPath();
+ } catch (IOException e) {
+ throw new DbException("Could not verify dir", e);
+ }
+ }
+
+ static void verifyNotAlreadyOpen(String canonicalPath) {
+ synchronized (openFiles) {
+ isFileOpen(canonicalPath); // for retries
+ if (!openFiles.add(canonicalPath)) {
+ throw new DbException("Another BoxStore is still open for this directory: " + canonicalPath +
+ ". Hint: for most apps it's recommended to keep a BoxStore for the app's life time.");
+ }
+ }
+ }
+
+ /** Also retries up to 500ms to improve GC race condition situation. */
+ static boolean isFileOpen(final String canonicalPath) {
+ synchronized (openFiles) {
+ if (!openFiles.contains(canonicalPath)) return false;
+ }
+ Thread checkerThread = BoxStore.openFilesCheckerThread;
+ if (checkerThread == null || !checkerThread.isAlive()) {
+ // Use a thread to avoid finalizers that block us
+ checkerThread = new Thread(() -> {
+ isFileOpenSync(canonicalPath, true);
+ BoxStore.openFilesCheckerThread = null; // Clean ref to itself
+ });
+ checkerThread.setDaemon(true);
+
+ BoxStore.openFilesCheckerThread = checkerThread;
+ checkerThread.start();
+ try {
+ checkerThread.join(500);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ } else {
+ // Waiting for finalizers are blocking; only do that in the thread ^
+ return isFileOpenSync(canonicalPath, false);
+ }
+ synchronized (openFiles) {
+ return openFiles.contains(canonicalPath);
+ }
}
- private static void verifyNotAlreadyOpen(String canonicalPath) {
+ static boolean isFileOpenSync(String canonicalPath, boolean runFinalization) {
synchronized (openFiles) {
int tries = 0;
while (tries < 5 && openFiles.contains(canonicalPath)) {
tries++;
System.gc();
- System.runFinalization();
+ if (runFinalization && tries > 1) System.runFinalization();
System.gc();
- System.runFinalization();
+ if (runFinalization && tries > 1) System.runFinalization();
try {
openFiles.wait(100);
} catch (InterruptedException e) {
// Ignore
}
}
- if (!openFiles.add(canonicalPath)) {
- throw new DbException("Another BoxStore is still open for this directory: " + canonicalPath +
- ". Hint: for most apps it's recommended to keep a BoxStore for the app's life time.");
- }
+ return openFiles.contains(canonicalPath);
}
}
+ /**
+ * Explicitly call {@link #close()} instead to avoid expensive finalization.
+ */
+ @SuppressWarnings("deprecation") // finalize()
@Override
protected void finalize() throws Throwable {
close();
@@ -252,16 +348,16 @@ private void checkOpen() {
}
}
- String getDbName(Class entityClass) {
+ String getDbName(Class entityClass) {
return dbNameByClass.get(entityClass);
}
- Integer getEntityTypeId(Class entityClass) {
+ Integer getEntityTypeId(Class entityClass) {
return entityTypeIdByClass.get(entityClass);
}
@Internal
- public int getEntityTypeIdOrThrow(Class entityClass) {
+ public int getEntityTypeIdOrThrow(Class entityClass) {
Integer id = entityTypeIdByClass.get(entityClass);
if (id == null) {
throw new DbSchemaException("No entity registered for " + entityClass);
@@ -269,7 +365,7 @@ public int getEntityTypeIdOrThrow(Class entityClass) {
return id;
}
- public Collection getAllEntityClasses() {
+ public Collection> getAllEntityClasses() {
return dbNameByClass.keySet();
}
@@ -279,17 +375,18 @@ int[] getAllEntityTypeIds() {
}
@Internal
- Class getEntityClassOrThrow(int entityTypeId) {
- Class clazz = classByEntityTypeId.get(entityTypeId);
+ Class getEntityClassOrThrow(int entityTypeId) {
+ Class clazz = classByEntityTypeId.get(entityTypeId);
if (clazz == null) {
throw new DbSchemaException("No entity registered for type ID " + entityTypeId);
}
return clazz;
}
+ @SuppressWarnings("unchecked") // Casting is easier than writing a custom Map.
@Internal
- EntityInfo getEntityInfo(Class entityClass) {
- return propertiesByClass.get(entityClass);
+ EntityInfo getEntityInfo(Class entityClass) {
+ return (EntityInfo) propertiesByClass.get(entityClass);
}
/**
@@ -300,7 +397,7 @@ public Transaction beginTx() {
checkOpen();
// Because write TXs are typically not cached, initialCommitCount is not as relevant than for read TXs.
int initialCommitCount = commitCount;
- if (debugTx) {
+ if (debugTxWrite) {
System.out.println("Begin TX with commit count " + initialCommitCount);
}
long nativeTx = nativeBeginTx(handle);
@@ -324,7 +421,7 @@ public Transaction beginReadTx() {
// updated resulting in querying obsolete data until another commit is done.
// TODO add multithreaded test for this
int initialCommitCount = commitCount;
- if (debugTx) {
+ if (debugTxRead) {
System.out.println("Begin read TX with commit count " + initialCommitCount);
}
long nativeTx = nativeBeginReadTx(handle);
@@ -339,11 +436,21 @@ public boolean isClosed() {
return closed;
}
+ /**
+ * Closes the BoxStore and frees associated resources.
+ * This method is useful for unit tests;
+ * most real applications should open a BoxStore once and keep it open until the app dies.
+ *
+ * WARNING:
+ * This is a somewhat delicate thing to do if you have threads running that may potentially still use the BoxStore.
+ * This results in undefined behavior, including the possibility of crashing.
+ */
public void close() {
boolean oldClosedState;
synchronized (this) {
oldClosedState = closed;
if (!closed) {
+ // Closeable recommendation: mark as closed before any code that might throw.
closed = true;
List transactionsToClose;
synchronized (transactions) {
@@ -352,7 +459,9 @@ public void close() {
for (Transaction t : transactionsToClose) {
t.close();
}
- nativeDelete(handle);
+ if (handle != 0) { // failed before native handle was created?
+ nativeDelete(handle);
+ }
// When running the full unit test suite, we had 100+ threads before, hope this helps:
threadPool.shutdown();
@@ -377,7 +486,7 @@ private void checkThreadTermination() {
int count = Thread.enumerate(threads);
for (int i = 0; i < count; i++) {
System.err.println("Thread: " + threads[i].getName());
- threads[i].dumpStack();
+ Thread.dumpStack();
}
}
} catch (InterruptedException e) {
@@ -385,6 +494,15 @@ private void checkThreadTermination() {
}
}
+ /**
+ * Danger zone! This will delete all data (files) of this BoxStore!
+ * You must call {@link #close()} before and read the docs of that method carefully!
+ *
+ * A safer alternative: use the static {@link #deleteAllFiles(File)} method before opening the BoxStore.
+ *
+ * @return true if the directory 1) was deleted successfully OR 2) did not exist in the first place.
+ * Note: If false is returned, any number of files may have been deleted before the failure happened.
+ */
public boolean deleteAllFiles() {
if (!closed) {
throw new IllegalStateException("Store must be closed");
@@ -392,20 +510,101 @@ public boolean deleteAllFiles() {
return deleteAllFiles(directory);
}
+ /**
+ * Danger zone! This will delete all files in the given directory!
+ *
+ * No {@link BoxStore} may be alive using the given directory.
+ *
+ * If you did not use a custom name with BoxStoreBuilder, you can pass "new File({@link
+ * BoxStoreBuilder#DEFAULT_NAME})".
+ *
+ * @param objectStoreDirectory directory to be deleted; this is the value you previously provided to {@link
+ * BoxStoreBuilder#directory(File)}
+ * @return true if the directory 1) was deleted successfully OR 2) did not exist in the first place.
+ * Note: If false is returned, any number of files may have been deleted before the failure happened.
+ * @throws IllegalStateException if the given directory is still used by a open {@link BoxStore}.
+ */
public static boolean deleteAllFiles(File objectStoreDirectory) {
- boolean ok = true;
- if (objectStoreDirectory != null && objectStoreDirectory.exists()) {
- File[] files = objectStoreDirectory.listFiles();
- if (files != null) {
- for (File file : files) {
- ok &= file.delete();
+ if (!objectStoreDirectory.exists()) {
+ return true;
+ }
+ if (isFileOpen(getCanonicalPath(objectStoreDirectory))) {
+ throw new IllegalStateException("Cannot delete files: store is still open");
+ }
+
+ File[] files = objectStoreDirectory.listFiles();
+ if (files == null) {
+ return false;
+ }
+ for (File file : files) {
+ if (!file.delete()) {
+ // OK if concurrently deleted. Fail fast otherwise.
+ if (file.exists()) {
+ return false;
}
- } else {
- ok = false;
}
- ok &= objectStoreDirectory.delete();
}
- return ok;
+ return objectStoreDirectory.delete();
+ }
+
+ /**
+ * Danger zone! This will delete all files in the given directory!
+ *
+ * No {@link BoxStore} may be alive using the given name.
+ *
+ * If you did not use a custom name with BoxStoreBuilder, you can pass "new File({@link
+ * BoxStoreBuilder#DEFAULT_NAME})".
+ *
+ * @param androidContext provide an Android Context like Application or Service
+ * @param customDbNameOrNull use null for default name, or the name you previously provided to {@link
+ * BoxStoreBuilder#name(String)}.
+ * @return true if the directory 1) was deleted successfully OR 2) did not exist in the first place.
+ * Note: If false is returned, any number of files may have been deleted before the failure happened.
+ * @throws IllegalStateException if the given name is still used by a open {@link BoxStore}.
+ */
+ public static boolean deleteAllFiles(Object androidContext, @Nullable String customDbNameOrNull) {
+ File dbDir = BoxStoreBuilder.getAndroidDbDir(androidContext, customDbNameOrNull);
+ return deleteAllFiles(dbDir);
+ }
+
+ /**
+ * Danger zone! This will delete all files in the given directory!
+ *
+ * No {@link BoxStore} may be alive using the given directory.
+ *
+ * If you did not use a custom name with BoxStoreBuilder, you can pass "new File({@link
+ * BoxStoreBuilder#DEFAULT_NAME})".
+ *
+ * @param baseDirectoryOrNull use null for no base dir, or the value you previously provided to {@link
+ * BoxStoreBuilder#baseDirectory(File)}
+ * @param customDbNameOrNull use null for default name, or the name you previously provided to {@link
+ * BoxStoreBuilder#name(String)}.
+ * @return true if the directory 1) was deleted successfully OR 2) did not exist in the first place.
+ * Note: If false is returned, any number of files may have been deleted before the failure happened.
+ * @throws IllegalStateException if the given directory (+name) is still used by a open {@link BoxStore}.
+ */
+ public static boolean deleteAllFiles(@Nullable File baseDirectoryOrNull, @Nullable String customDbNameOrNull) {
+ File dbDir = BoxStoreBuilder.getDbDir(baseDirectoryOrNull, customDbNameOrNull);
+ return deleteAllFiles(dbDir);
+ }
+
+ /**
+ * Removes all objects from all types ("boxes"), e.g. deletes all database content
+ * (excluding meta data like the data model).
+ * This typically performs very quickly (e.g. faster than {@link Box#removeAll()}).
+ *
+ * Note that this does not reclaim disk space: the already reserved space for the DB file(s) is used in the future
+ * resulting in better performance because no/less disk allocation has to be done.
+ *
+ * If you want to reclaim disk space, delete the DB file(s) instead:
+ *
+ * - {@link #close()} the BoxStore (and ensure that no thread access it)
+ * - {@link #deleteAllFiles()} of the BoxStore
+ * - Open a new BoxStore
+ *
+ */
+ public void removeAllObjects() {
+ nativeDropAllData(handle);
}
@Internal
@@ -415,21 +614,17 @@ public void unregisterTransaction(Transaction transaction) {
}
}
- // TODO not implemented on native side; rename to "nukeData" (?)
- void dropAllData() {
- nativeDropAllData(handle);
- }
-
- void txCommitted(Transaction tx, int[] entityTypeIdsAffected) {
+ void txCommitted(Transaction tx, @Nullable int[] entityTypeIdsAffected) {
// Only one write TX at a time, but there is a chance two writers race after commit: thus synchronize
synchronized (txCommitCountLock) {
commitCount++; // Overflow is OK because we check for equality
- if (debugTx) {
- System.out.println("TX committed. New commit count: " + commitCount);
+ if (debugTxWrite) {
+ System.out.println("TX committed. New commit count: " + commitCount + ", entity types affected: " +
+ (entityTypeIdsAffected != null ? entityTypeIdsAffected.length : 0));
}
}
- for (Box box : boxes.values()) {
+ for (Box box : boxes.values()) {
box.txCommitted(tx);
}
@@ -440,9 +635,12 @@ void txCommitted(Transaction tx, int[] entityTypeIdsAffected) {
/**
* Returns a Box for the given type. Objects are put into (and get from) their individual Box.
+ *
+ * Creates a Box only once and then always returns the cached instance.
*/
+ @SuppressWarnings("unchecked") // Casting is easier than writing a custom Map.
public Box boxFor(Class entityClass) {
- Box box = boxes.get(entityClass);
+ Box box = (Box) boxes.get(entityClass);
if (box == null) {
if (!dbNameByClass.containsKey(entityClass)) {
throw new IllegalArgumentException(entityClass +
@@ -450,7 +648,7 @@ public Box boxFor(Class entityClass) {
}
// Ensure a box is created just once
synchronized (boxes) {
- box = boxes.get(entityClass);
+ box = (Box) boxes.get(entityClass);
if (box == null) {
box = new Box<>(this, entityClass);
boxes.put(entityClass, box);
@@ -467,7 +665,7 @@ public Box boxFor(Class entityClass) {
* disk synchronization.
*/
public void runInTx(Runnable runnable) {
- Transaction tx = this.activeTx.get();
+ Transaction tx = activeTx.get();
// Only if not already set, allowing to call it recursively with first (outer) TX
if (tx == null) {
tx = beginTx();
@@ -494,7 +692,7 @@ public void runInTx(Runnable runnable) {
* it is advised to run them in a single read transaction for efficiency reasons.
*/
public void runInReadTx(Runnable runnable) {
- Transaction tx = this.activeTx.get();
+ Transaction tx = activeTx.get();
// Only if not already set, allowing to call it recursively with first (outer) TX
if (tx == null) {
tx = beginReadTx();
@@ -506,7 +704,7 @@ public void runInReadTx(Runnable runnable) {
// TODO That's rather a quick fix, replace with a more general solution
// (that could maybe be a TX listener with abort callback?)
- for (Box box : boxes.values()) {
+ for (Box box : boxes.values()) {
box.readTxFinished(tx);
}
@@ -517,21 +715,71 @@ public void runInReadTx(Runnable runnable) {
}
}
+ /**
+ * Calls {@link #callInReadTx(Callable)} and retries in case a DbException is thrown.
+ * If the given amount of attempts is reached, the last DbException will be thrown.
+ * Experimental: API might change.
+ */
+ @Experimental
+ public T callInReadTxWithRetry(Callable callable, int attempts, int initialBackOffInMs, boolean logAndHeal) {
+ if (attempts == 1) {
+ return callInReadTx(callable);
+ } else if (attempts < 1) {
+ throw new IllegalArgumentException("Illegal value of attempts: " + attempts);
+ }
+ long backoffInMs = initialBackOffInMs;
+ DbException lastException = null;
+ for (int attempt = 1; attempt <= attempts; attempt++) {
+ try {
+ return callInReadTx(callable);
+ } catch (DbException e) {
+ lastException = e;
+
+ String diagnose = diagnose();
+ String message = attempt + " of " + attempts + " attempts of calling a read TX failed:";
+ if (logAndHeal) {
+ System.err.println(message);
+ e.printStackTrace();
+ System.err.println(diagnose);
+ System.err.flush();
+
+ System.gc();
+ System.runFinalization();
+ cleanStaleReadTransactions();
+ }
+ if (failedReadTxAttemptCallback != null) {
+ failedReadTxAttemptCallback.txFinished(null, new DbException(message + " \n" + diagnose, e));
+ }
+ try {
+ Thread.sleep(backoffInMs);
+ } catch (InterruptedException ie) {
+ ie.printStackTrace();
+ throw lastException;
+ }
+ backoffInMs *= 2;
+ }
+ }
+ throw lastException;
+ }
+
/**
* Calls the given callable inside a read(-only) transaction. Multiple read transactions can occur at the same time.
* This allows multiple read operations (gets) using a single consistent state of data.
* Also, for a high number of read operations (thousands, e.g. in loops),
* it is advised to run them in a single read transaction for efficiency reasons.
- * Note that any exception thrown by the given Callable will be wrapped in a RuntimeException.
+ * Note that an exception thrown by the given Callable will be wrapped in a RuntimeException, if the exception is
+ * not a RuntimeException itself.
*/
public T callInReadTx(Callable callable) {
- Transaction tx = this.activeTx.get();
+ Transaction tx = activeTx.get();
// Only if not already set, allowing to call it recursively with first (outer) TX
if (tx == null) {
tx = beginReadTx();
activeTx.set(tx);
try {
return callable.call();
+ } catch (RuntimeException e) {
+ throw e;
} catch (Exception e) {
throw new RuntimeException("Callable threw exception", e);
} finally {
@@ -539,7 +787,7 @@ public T callInReadTx(Callable callable) {
// TODO That's rather a quick fix, replace with a more general solution
// (that could maybe be a TX listener with abort callback?)
- for (Box box : boxes.values()) {
+ for (Box box : boxes.values()) {
box.readTxFinished(tx);
}
@@ -558,7 +806,7 @@ public T callInReadTx(Callable callable) {
* Like {@link #runInTx(Runnable)}, but allows returning a value and throwing an exception.
*/
public R callInTx(Callable callable) throws Exception {
- Transaction tx = this.activeTx.get();
+ Transaction tx = activeTx.get();
// Only if not already set, allowing to call it recursively with first (outer) TX
if (tx == null) {
tx = beginTx();
@@ -579,25 +827,34 @@ public R callInTx(Callable callable) throws Exception {
}
}
+ /**
+ * Like {@link #callInTx(Callable)}, but throws no Exception.
+ * Any Exception thrown in the Callable is wrapped in a RuntimeException.
+ */
+ public R callInTxNoException(Callable callable) {
+ try {
+ return callInTx(callable);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+
/**
* Runs the given Runnable as a transaction in a separate thread.
* Once the transaction completes the given callback is called (callback may be null).
*
* See also {@link #runInTx(Runnable)}.
*/
- public void runInTxAsync(final Runnable runnable, final TxCallback callback) {
- threadPool.submit(new Runnable() {
- @Override
- public void run() {
- try {
- runInTx(runnable);
- if (callback != null) {
- callback.txFinished(null, null);
- }
- } catch (Throwable failure) {
- if (callback != null) {
- callback.txFinished(null, failure);
- }
+ public void runInTxAsync(final Runnable runnable, @Nullable final TxCallback callback) {
+ threadPool.submit(() -> {
+ try {
+ runInTx(runnable);
+ if (callback != null) {
+ callback.txFinished(null, null);
+ }
+ } catch (Throwable failure) {
+ if (callback != null) {
+ callback.txFinished(null, failure);
}
}
});
@@ -609,24 +866,26 @@ public void run() {
*
* * See also {@link #callInTx(Callable)}.
*/
- public void callInTxAsync(final Callable callable, final TxCallback callback) {
- threadPool.submit(new Runnable() {
- @Override
- public void run() {
- try {
- R result = callInTx(callable);
- if (callback != null) {
- callback.txFinished(result, null);
- }
- } catch (Throwable failure) {
- if (callback != null) {
- callback.txFinished(null, failure);
- }
+ public void callInTxAsync(final Callable callable, @Nullable final TxCallback callback) {
+ threadPool.submit(() -> {
+ try {
+ R result = callInTx(callable);
+ if (callback != null) {
+ callback.txFinished(result, null);
+ }
+ } catch (Throwable failure) {
+ if (callback != null) {
+ callback.txFinished(null, failure);
}
}
});
}
+ /**
+ * Gives info that can be useful for debugging.
+ *
+ * @return String that is typically logged by the application.
+ */
public String diagnose() {
return nativeDiagnose(handle);
}
@@ -641,7 +900,7 @@ public int cleanStaleReadTransactions() {
* {@link Box#closeThreadResources()} for all initiated boxes ({@link #boxFor(Class)}).
*/
public void closeThreadResources() {
- for (Box box : boxes.values()) {
+ for (Box box : boxes.values()) {
box.closeThreadResources();
}
// activeTx is cleaned up in finally blocks, so do not free them here
@@ -692,7 +951,7 @@ public String startObjectBrowser() {
@Nullable
public String startObjectBrowser(int port) {
verifyObjectBrowserNotRunning();
- String url = startObjectBrowser(handle, null, port);
+ String url = nativeStartObjectBrowser(handle, null, port);
if (url != null) {
objectBrowserPort = port;
}
@@ -710,16 +969,25 @@ private void verifyObjectBrowserNotRunning() {
}
}
+ /**
+ * The given listener will be called when an exception is thrown.
+ * This for example allows a central error handling, e.g. a special logging for DB related exceptions.
+ */
+ public void setDbExceptionListener(DbExceptionListener dbExceptionListener) {
+ nativeSetDbExceptionListener(handle, dbExceptionListener);
+ }
+
/**
* Like {@link #subscribe()}, but wires the supplied @{@link io.objectbox.reactive.DataObserver} only to the given
* object class for notifications.
*/
+ @SuppressWarnings("unchecked")
public SubscriptionBuilder> subscribe(Class forClass) {
return new SubscriptionBuilder<>((DataPublisher) objectClassPublisher, forClass, threadPool);
}
@Internal
- public Future internalScheduleThread(Runnable runnable) {
+ public Future internalScheduleThread(Runnable runnable) {
return threadPool.submit(runnable);
}
@@ -732,4 +1000,42 @@ public ExecutorService internalThreadPool() {
public boolean isDebugRelations() {
return debugRelations;
}
+
+ @Internal
+ public int internalQueryAttempts() {
+ return queryAttempts;
+ }
+
+ @Internal
+ public TxCallback internalFailedReadTxAttemptCallback() {
+ return failedReadTxAttemptCallback;
+ }
+
+ void setDebugFlags(int debugFlags) {
+ nativeSetDebugFlags(handle, debugFlags);
+ }
+
+ long panicModeRemoveAllObjects(int entityId) {
+ return nativePanicModeRemoveAllObjects(handle, entityId);
+ }
+
+ /**
+ * If you want to use the same ObjectBox store using the C API, e.g. via JNI, this gives the required pointer,
+ * which you have to pass on to obx_store_wrap().
+ * The procedure is like this:
+ * 1) you create a BoxStore on the Java side
+ * 2) you call this method to get the native store pointer
+ * 3) you pass the native store pointer to your native code (e.g. via JNI)
+ * 4) your native code calls obx_store_wrap() with the native store pointer to get a OBX_store pointer
+ * 5) Using the OBX_store pointer, you can use the C API.
+ *
+ * Note: Once you {@link #close()} this BoxStore, do not use it from the C API.
+ */
+ public long getNativeStore() {
+ if (closed) {
+ throw new IllegalStateException("Store must still be open");
+ }
+ return handle;
+ }
+
}
diff --git a/objectbox-java/src/main/java/io/objectbox/BoxStoreBuilder.java b/objectbox-java/src/main/java/io/objectbox/BoxStoreBuilder.java
index 1a61fb7d..583a176c 100644
--- a/objectbox-java/src/main/java/io/objectbox/BoxStoreBuilder.java
+++ b/objectbox-java/src/main/java/io/objectbox/BoxStoreBuilder.java
@@ -16,12 +16,26 @@
package io.objectbox;
+import org.greenrobot.essentials.io.IoUtils;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
import java.lang.reflect.Method;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.List;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+import io.objectbox.annotation.apihint.Experimental;
import io.objectbox.annotation.apihint.Internal;
+import io.objectbox.exception.DbException;
import io.objectbox.ideasonly.ModelUpdate;
/**
@@ -35,7 +49,7 @@
*
* - Name/location of DB: use {@link #name(String)}/{@link #baseDirectory}/{@link #androidContext(Object)}
* OR {@link #directory(File)}(default: name "objectbox)
- * - Max DB size: see {@link #maxSizeInKByte} (default: 512 MB)
+ * - Max DB size: see {@link #maxSizeInKByte} (default: 1 GB)
* - Max readers: see {@link #maxReaders(int)} (default: 126)
*
*/
@@ -45,41 +59,60 @@ public class BoxStoreBuilder {
public static final String DEFAULT_NAME = "objectbox";
/** The default maximum size the DB can grow to, which can be overwritten using {@link #maxSizeInKByte}. */
- public static final int DEFAULT_MAX_DB_SIZE_KBYTE = 512 * 1024;
+ public static final int DEFAULT_MAX_DB_SIZE_KBYTE = 1024 * 1024;
final byte[] model;
/** BoxStore uses this */
File directory;
+ /** On Android used for native library loading. */
+ @Nullable Object context;
+ @Nullable Object relinker;
+
/** Ignored by BoxStore */
private File baseDirectory;
/** Ignored by BoxStore */
private String name;
- // 512 MB
+ /** Defaults to {@link #DEFAULT_MAX_DB_SIZE_KBYTE}. */
long maxSizeInKByte = DEFAULT_MAX_DB_SIZE_KBYTE;
ModelUpdate modelUpdate;
- private boolean android;
+ int debugFlags;
- boolean debugTransactions;
+ private boolean android;
boolean debugRelations;
int maxReaders;
- final List entityInfoList = new ArrayList<>();
+ int queryAttempts;
+
+ TxCallback failedReadTxAttemptCallback;
+
+ final List> entityInfoList = new ArrayList<>();
+ private Factory initialDbFileFactory;
+
+ /** Not for application use. */
+ public static BoxStoreBuilder createDebugWithoutModel() {
+ return new BoxStoreBuilder();
+ }
+
+ private BoxStoreBuilder() {
+ model = null;
+ }
- @Internal
/** Called internally from the generated class "MyObjectBox". Check MyObjectBox.builder() to get an instance. */
+ @Internal
public BoxStoreBuilder(byte[] model) {
- this.model = model;
if (model == null) {
throw new IllegalArgumentException("Model may not be null");
}
+ // Future-proofing: copy to prevent external modification.
+ this.model = Arrays.copyOf(model, model.length);
}
/**
@@ -143,13 +176,76 @@ public BoxStoreBuilder baseDirectory(File baseDirectory) {
* Alternatively, you can also use {@link #baseDirectory} or {@link #directory(File)} instead.
*/
public BoxStoreBuilder androidContext(Object context) {
+ //noinspection ConstantConditions Annotation does not enforce non-null.
if (context == null) {
throw new NullPointerException("Context may not be null");
}
+ this.context = getApplicationContext(context);
+
+ File baseDir = getAndroidBaseDir(context);
+ if (!baseDir.exists()) {
+ baseDir.mkdir();
+ if (!baseDir.exists()) { // check baseDir.exists() because of potential concurrent processes
+ throw new RuntimeException("Could not init Android base dir at " + baseDir.getAbsolutePath());
+ }
+ }
+ if (!baseDir.isDirectory()) {
+ throw new RuntimeException("Android base dir is not a dir: " + baseDir.getAbsolutePath());
+ }
+ baseDirectory = baseDir;
+ android = true;
+ return this;
+ }
+
+ private Object getApplicationContext(Object context) {
+ try {
+ return context.getClass().getMethod("getApplicationContext").invoke(context);
+ } catch (Exception e) {
+ // note: can't catch ReflectiveOperationException, is K+ (19+) on Android
+ throw new RuntimeException("context must be a valid Android Context", e);
+ }
+ }
+
+ /**
+ * Pass a custom ReLinkerInstance, for example {@code ReLinker.log(logger)} to use for loading the native library
+ * on Android devices. Note that setting {@link #androidContext(Object)} is required for ReLinker to work.
+ */
+ public BoxStoreBuilder androidReLinker(Object reLinkerInstance) {
+ if (context == null) {
+ throw new IllegalArgumentException("Set a Context using androidContext(context) first");
+ }
+ //noinspection ConstantConditions Annotation does not enforce non-null.
+ if (reLinkerInstance == null) {
+ throw new NullPointerException("ReLinkerInstance may not be null");
+ }
+ this.relinker = reLinkerInstance;
+ return this;
+ }
+
+ static File getAndroidDbDir(Object context, @Nullable String dbName) {
+ File baseDir = getAndroidBaseDir(context);
+ return new File(baseDir, dbName(dbName));
+ }
+
+ private static String dbName(@Nullable String dbNameOrNull) {
+ return dbNameOrNull != null ? dbNameOrNull : DEFAULT_NAME;
+ }
+
+ static File getAndroidBaseDir(Object context) {
+ return new File(getAndroidFilesDir(context), "objectbox");
+ }
+
+ @Nonnull
+ private static File getAndroidFilesDir(Object context) {
File filesDir;
try {
Method getFilesDir = context.getClass().getMethod("getFilesDir");
filesDir = (File) getFilesDir.invoke(context);
+ if (filesDir == null) {
+ // Race condition in Android before 4.4: https://issuetracker.google.com/issues/36918154 ?
+ System.err.println("getFilesDir() returned null - retrying once...");
+ filesDir = (File) getFilesDir.invoke(context);
+ }
} catch (Exception e) {
throw new RuntimeException(
"Could not init with given Android context (must be sub class of android.content.Context)", e);
@@ -157,23 +253,14 @@ public BoxStoreBuilder androidContext(Object context) {
if (filesDir == null) {
throw new IllegalStateException("Android files dir is null");
}
- File baseDir = new File(filesDir, "objectbox");
- if (!baseDir.exists()) {
- boolean ok = baseDir.mkdirs();
- if (!ok) {
- System.err.print("Could not create base dir");
- }
+ if (!filesDir.exists()) {
+ throw new IllegalStateException("Android files dir does not exist");
}
- if (!baseDir.exists() || !baseDir.isDirectory()) {
- throw new RuntimeException("Could not init Android base dir at " + baseDir.getAbsolutePath());
- }
- baseDirectory = baseDir;
- android = true;
- return this;
+ return filesDir;
}
/**
- * Sets the maximum number of concurrent readers. For most applications, the default is fine (> 100 readers).
+ * Sets the maximum number of concurrent readers. For most applications, the default is fine (> 100 readers).
*
* A "reader" is short for a thread involved in a read transaction.
*
@@ -182,13 +269,14 @@ public BoxStoreBuilder androidContext(Object context) {
* For highly concurrent setups (e.g. you are using ObjectBox on the server side) it may make sense to increase the
* number.
*/
+
public BoxStoreBuilder maxReaders(int maxReaders) {
this.maxReaders = maxReaders;
return this;
}
@Internal
- public void entity(EntityInfo entityInfo) {
+ public void entity(EntityInfo entityInfo) {
entityInfoList.add(entityInfo);
}
@@ -201,22 +289,32 @@ BoxStoreBuilder modelUpdate(ModelUpdate modelUpdate) {
/**
* Sets the maximum size the database file can grow to.
- * By default this is 512 MB, which should be sufficient for most applications.
+ * By default this is 1 GB, which should be sufficient for most applications.
*
* In general, a maximum size prevents the DB from growing indefinitely when something goes wrong
- * (for example you insert data in an infinite look).
- *
- * @param maxSizeInKByte
- * @return
+ * (for example you insert data in an infinite loop).
*/
public BoxStoreBuilder maxSizeInKByte(long maxSizeInKByte) {
this.maxSizeInKByte = maxSizeInKByte;
return this;
}
- /** Enables some debug logging for transactions. */
+ /**
+ * @deprecated Use {@link #debugFlags} instead.
+ */
+ @Deprecated
public BoxStoreBuilder debugTransactions() {
- this.debugTransactions = true;
+ this.debugFlags |= DebugFlags.LOG_TRANSACTIONS_READ | DebugFlags.LOG_TRANSACTIONS_WRITE;
+ return this;
+ }
+
+ /**
+ * Debug flags typically enable additional logging, see {@link DebugFlags} for valid values.
+ *
+ * Example: debugFlags({@link DebugFlags#LOG_TRANSACTIONS_READ} | {@link DebugFlags#LOG_TRANSACTIONS_WRITE});
+ */
+ public BoxStoreBuilder debugFlags(int debugFlags) {
+ this.debugFlags = debugFlags;
return this;
}
@@ -226,23 +324,98 @@ public BoxStoreBuilder debugRelations() {
return this;
}
+ /**
+ * For massive concurrent setups (app is using a lot of threads), you can enable automatic retries for queries.
+ * This can resolve situations in which resources are getting sparse (e.g.
+ * {@link io.objectbox.exception.DbMaxReadersExceededException} or other variations of
+ * {@link io.objectbox.exception.DbException} are thrown during query execution).
+ *
+ * @param queryAttempts number of attempts a query find operation will be executed before failing.
+ * Recommended values are in the range of 2 to 5, e.g. a value of 3 as a starting point.
+ */
+ @Experimental
+ public BoxStoreBuilder queryAttempts(int queryAttempts) {
+ if (queryAttempts < 1) {
+ throw new IllegalArgumentException("Query attempts must >= 1");
+ }
+ this.queryAttempts = queryAttempts;
+ return this;
+ }
+
+ /**
+ * Define a callback for failed read transactions during retires (see also {@link #queryAttempts(int)}).
+ * Useful for e.g. logging.
+ */
+ @Experimental
+ public BoxStoreBuilder failedReadTxAttemptCallback(TxCallback failedReadTxAttemptCallback) {
+ this.failedReadTxAttemptCallback = failedReadTxAttemptCallback;
+ return this;
+ }
+
+ /**
+ * Let's you specify an DB file to be used during initial start of the app (no DB file exists yet).
+ */
+ @Experimental
+ public BoxStoreBuilder initialDbFile(final File initialDbFile) {
+ return initialDbFile(() -> new FileInputStream(initialDbFile));
+ }
+
+ /**
+ * Let's you specify a provider for a DB file to be used during initial start of the app (no DB file exists yet).
+ * The provider will only be called if no DB file exists yet.
+ */
+ @Experimental
+ public BoxStoreBuilder initialDbFile(Factory initialDbFileFactory) {
+ this.initialDbFileFactory = initialDbFileFactory;
+ return this;
+ }
+
/**
* Builds a {@link BoxStore} using any given configuration.
*/
public BoxStore build() {
if (directory == null) {
- if (name == null) {
- name = DEFAULT_NAME;
- }
- if (baseDirectory != null) {
- directory = new File(baseDirectory, name);
- } else {
- directory = new File(name);
- }
+ name = dbName(name);
+ directory = getDbDir(baseDirectory, name);
}
+ checkProvisionInitialDbFile();
return new BoxStore(this);
}
+ private void checkProvisionInitialDbFile() {
+ if (initialDbFileFactory != null) {
+ String dataDir = BoxStore.getCanonicalPath(directory);
+ File file = new File(dataDir, "data.mdb");
+ if (!file.exists()) {
+ InputStream in = null;
+ OutputStream out = null;
+ try {
+ in = initialDbFileFactory.provide();
+ if (in == null) {
+ throw new DbException("Factory did not provide a resource");
+ }
+ in = new BufferedInputStream(in);
+ out = new BufferedOutputStream(new FileOutputStream(file));
+ IoUtils.copyAllBytes(in, out);
+ } catch (Exception e) {
+ throw new DbException("Could not provision initial data file", e);
+ } finally {
+ IoUtils.safeClose(out);
+ IoUtils.safeClose(in);
+ }
+ }
+ }
+ }
+
+ static File getDbDir(@Nullable File baseDirectoryOrNull, @Nullable String nameOrNull) {
+ String name = dbName(nameOrNull);
+ if (baseDirectoryOrNull != null) {
+ return new File(baseDirectoryOrNull, name);
+ } else {
+ return new File(name);
+ }
+ }
+
/**
* Builds the default {@link BoxStore} instance, which can be acquired using {@link BoxStore#getDefault()}.
* For testability, please see the comment of {@link BoxStore#getDefault()}.
diff --git a/objectbox-java/src/main/java/io/objectbox/Cursor.java b/objectbox-java/src/main/java/io/objectbox/Cursor.java
index 82469fcf..abbcc58b 100644
--- a/objectbox-java/src/main/java/io/objectbox/Cursor.java
+++ b/objectbox-java/src/main/java/io/objectbox/Cursor.java
@@ -19,30 +19,38 @@
import java.io.Closeable;
import java.util.List;
+import javax.annotation.Nullable;
import javax.annotation.concurrent.NotThreadSafe;
import io.objectbox.annotation.apihint.Beta;
import io.objectbox.annotation.apihint.Internal;
-import io.objectbox.annotation.apihint.Temporary;
+import io.objectbox.internal.CursorFactory;
+import io.objectbox.relation.ToMany;
+@SuppressWarnings({"unchecked", "SameParameterValue", "unused", "WeakerAccess", "UnusedReturnValue"})
@Beta
@Internal
@NotThreadSafe
public abstract class Cursor implements Closeable {
- static final boolean WARN_FINALIZER = false;
+ /** May be set by tests */
+ @Internal
+ static boolean TRACK_CREATION_STACK;
+
+ @Internal
+ static boolean LOG_READ_NOT_CLOSED;
protected static final int PUT_FLAG_FIRST = 1;
protected static final int PUT_FLAG_COMPLETE = 1 << 1;
- static native void nativeDestroy(long cursor);
+ native void nativeDestroy(long cursor);
- static native void nativeDeleteEntity(long cursor, long key);
+ static native boolean nativeDeleteEntity(long cursor, long key);
- static native void nativeDeleteAll(long cursor);
+ native void nativeDeleteAll(long cursor);
static native boolean nativeSeek(long cursor, long key);
- static native Object nativeGetAllEntities(long cursor);
+ native List nativeGetAllEntities(long cursor);
static native Object nativeGetEntity(long cursor, long key);
@@ -50,27 +58,17 @@ public abstract class Cursor implements Closeable {
static native Object nativeFirstEntity(long cursor);
- static native long nativeCount(long cursor);
-
- static native List nativeFindScalar(long cursor, String propertyName, long value);
-
- static native List nativeFindString(long cursor, String propertyName, String value);
-
- static native List nativeFindScalarPropertyId(long cursor, int propertyId, long value);
-
- static native List nativeFindStringPropertyId(long cursor, int propertyId, String value);
-
- // TODO not implemented
- static native long nativeGetKey(long cursor);
+ native long nativeCount(long cursor, long maxCountOrZero);
static native long nativeLookupKeyUsingIndex(long cursor, int propertyId, String value);
- static native long nativeRenew(long cursor, long tx);
+ native long nativeRenew(long cursor);
protected static native long collect313311(long cursor, long keyIfComplete, int flags,
- int idStr1, String valueStr1, int idStr2, String valueStr2,
- int idStr3, String valueStr3,
- int idBA1, byte[] valueBA1,
+ int idStr1, @Nullable String valueStr1,
+ int idStr2, @Nullable String valueStr2,
+ int idStr3, @Nullable String valueStr3,
+ int idBA1, @Nullable byte[] valueBA1,
int idLong1, long valueLong1, int idLong2, long valueLong2,
int idLong3, long valueLong3,
int idInt1, int valueInt1, int idInt2, int valueInt2,
@@ -79,15 +77,20 @@ protected static native long collect313311(long cursor, long keyIfComplete, int
);
protected static native long collect430000(long cursor, long keyIfComplete, int flags,
- int idStr1, String valueStr1, int idStr2, String valueStr2,
- int idStr3, String valueStr3, int idStr4, String valueStr4,
- int idBA1, byte[] valueBA1, int idBA2, byte[] valueBA2, int idBA3,
- byte[] valueBA3
+ int idStr1, @Nullable String valueStr1,
+ int idStr2, @Nullable String valueStr2,
+ int idStr3, @Nullable String valueStr3,
+ int idStr4, @Nullable String valueStr4,
+ int idBA1, @Nullable byte[] valueBA1,
+ int idBA2, @Nullable byte[] valueBA2,
+ int idBA3, @Nullable byte[] valueBA3
);
protected static native long collect400000(long cursor, long keyIfComplete, int flags,
- int idStr1, String valueStr1, int idStr2, String valueStr2,
- int idStr3, String valueStr3, int idStr4, String valueStr4
+ int idStr1, @Nullable String valueStr1,
+ int idStr2, @Nullable String valueStr2,
+ int idStr3, @Nullable String valueStr3,
+ int idStr4, @Nullable String valueStr4
);
protected static native long collect002033(long cursor, long keyIfComplete, int flags,
@@ -103,63 +106,82 @@ protected static native long collect004000(long cursor, long keyIfComplete, int
int idLong3, long valueLong3, int idLong4, long valueLong4
);
- static native int nativePropertyId(long cursor, String propertyValue);
+ native int nativePropertyId(long cursor, String propertyValue);
+
+ native List nativeGetBacklinkEntities(long cursor, int entityId, int propertyId, long key);
- static native List nativeGetBacklinkEntities(long cursor, int entityId, int propertyId, long key);
+ native long[] nativeGetBacklinkIds(long cursor, int entityId, int propertyId, long key);
- static native List nativeGetRelationEntities(long cursor, int sourceEntityId, int relationId, long key);
+ native List nativeGetRelationEntities(long cursor, int sourceEntityId, int relationId, long key, boolean backlink);
- static native void nativeModifyRelations(long cursor, int relationId, long key, long[] targetKeys, boolean remove);
+ native long[] nativeGetRelationIds(long cursor, int sourceEntityId, int relationId, long key, boolean backlink);
- static native void nativeModifyRelationsSingle(long cursor, int relationId, long key, long targetKey, boolean remove);
+ native void nativeModifyRelations(long cursor, int relationId, long key, long[] targetKeys, boolean remove);
- static native void nativeSetBoxStoreForEntities(long cursor, Object boxStore);
+ native void nativeModifyRelationsSingle(long cursor, int relationId, long key, long targetKey, boolean remove);
- protected Transaction tx;
+ native void nativeSetBoxStoreForEntities(long cursor, Object boxStore);
+
+ native long nativeGetCursorFor(long cursor, int entityId);
+
+ protected final Transaction tx;
protected final long cursor;
- protected final EntityInfo entityInfo;
+ protected final EntityInfo entityInfo;
protected final BoxStore boxStoreForEntities;
+ protected final boolean readOnly;
protected boolean closed;
private final Throwable creationThrowable;
- protected Cursor(Transaction tx, long cursor, EntityInfo entityInfo, BoxStore boxStore) {
+ protected Cursor(Transaction tx, long cursor, EntityInfo entityInfo, BoxStore boxStore) {
if (tx == null) {
throw new IllegalArgumentException("Transaction is null");
}
this.tx = tx;
+ readOnly = tx.isReadOnly();
this.cursor = cursor;
this.entityInfo = entityInfo;
this.boxStoreForEntities = boxStore;
- Property[] allProperties = entityInfo.getAllProperties();
- for (Property property : allProperties) {
+ Property[] allProperties = entityInfo.getAllProperties();
+ for (Property property : allProperties) {
if (!property.isIdVerified()) {
int id = getPropertyId(property.dbName);
property.verifyId(id);
}
}
- creationThrowable = WARN_FINALIZER ? new Throwable() : null;
+ creationThrowable = TRACK_CREATION_STACK ? new Throwable() : null;
nativeSetBoxStoreForEntities(cursor, boxStore);
}
+ /**
+ * Explicitly call {@link #close()} instead to avoid expensive finalization.
+ */
+ @SuppressWarnings("deprecation") // finalize()
@Override
protected void finalize() throws Throwable {
- if (WARN_FINALIZER && !closed && creationThrowable != null) {
- System.err.println("Cursor was not closed. It was initially created here:");
- creationThrowable.printStackTrace();
+ if (!closed) {
+ // By default only complain about write cursors
+ if (!readOnly || LOG_READ_NOT_CLOSED) {
+ System.err.println("Cursor was not closed.");
+ if (creationThrowable != null) {
+ System.err.println("Cursor was initially created here:");
+ creationThrowable.printStackTrace();
+ }
+ System.err.flush();
+ }
+ close();
+ super.finalize();
}
- close();
- super.finalize();
}
protected abstract long getId(T entity);
public abstract long put(T entity);
- public EntityInfo getEntityInfo() {
+ public EntityInfo getEntityInfo() {
return entityInfo;
}
@@ -175,34 +197,31 @@ public T first() {
return (T) nativeFirstEntity(cursor);
}
- /** Does not work yet, also probably won't be faster than {@link Box#getAll()}. */
+ /** ~10% slower than iterating with {@link #first()} and {@link #next()} as done by {@link Box#getAll()}. */
public List getAll() {
- return (List) nativeGetAllEntities(cursor);
+ return nativeGetAllEntities(cursor);
}
- public void deleteEntity(long key) {
- nativeDeleteEntity(cursor, key);
+ public boolean deleteEntity(long key) {
+ return nativeDeleteEntity(cursor, key);
}
public void deleteAll() {
nativeDeleteAll(cursor);
}
- public long getKey() {
- return nativeGetKey(cursor);
- }
-
public boolean seek(long key) {
return nativeSeek(cursor, key);
}
- public long count() {
- return nativeCount(cursor);
+ public long count(long maxCountOrZero) {
+ return nativeCount(cursor, maxCountOrZero);
}
@Override
public synchronized void close() {
if (!closed) {
+ // Closeable recommendation: mark as closed before nativeDestroy could throw.
closed = true;
// tx is null despite check in constructor in some tests (called by finalizer):
// Null check avoids NPE in finalizer and seems to stabilize Android instrumentation perf tests.
@@ -216,30 +235,11 @@ public int getPropertyId(String propertyName) {
return nativePropertyId(cursor, propertyName);
}
- @Temporary
- public List find(String propertyName, long value) {
- return nativeFindScalar(cursor, propertyName, value);
- }
-
- @Temporary
- public List find(String propertyName, String value) {
- return nativeFindString(cursor, propertyName, value);
- }
-
- @Temporary
- public List find(int propertyId, long value) {
- return nativeFindScalarPropertyId(cursor, propertyId, value);
- }
-
- @Temporary
- public List find(int propertyId, String value) {
- return nativeFindStringPropertyId(cursor, propertyId, value);
- }
-
/**
* @return key or 0 if not found
+ * @deprecated TODO only used in tests, remove in the future
*/
- public long lookupKeyUsingIndex(int propertyId, String value) {
+ long lookupKeyUsingIndex(int propertyId, String value) {
return nativeLookupKeyUsingIndex(cursor, propertyId, value);
}
@@ -256,16 +256,23 @@ public boolean isClosed() {
return closed;
}
+ /**
+ * Note: this returns a secondary cursor, which does not survive standalone.
+ * Secondary native cursors are destroyed once their hosting Cursor is destroyed.
+ * Thus, use it only locally and don't store it long term.
+ */
protected Cursor getRelationTargetCursor(Class targetClass) {
- // minor to do: optimize by using existing native cursor handle?
- // (Note: Cursor should not destroy the native cursor then.)
-
- return tx.createCursor(targetClass);
+ EntityInfo entityInfo = boxStoreForEntities.getEntityInfo(targetClass);
+ long cursorHandle = nativeGetCursorFor(cursor, entityInfo.getEntityId());
+ CursorFactory factory = entityInfo.getCursorFactory();
+ return factory.createCursor(tx, cursorHandle, boxStoreForEntities);
}
- public void renew(Transaction tx) {
- nativeRenew(cursor, tx.internalHandle());
- this.tx = tx;
+ /**
+ * To be used in combination with {@link Transaction#renew()}.
+ */
+ public void renew() {
+ nativeRenew(cursor);
}
@Internal
@@ -274,7 +281,7 @@ long internalHandle() {
}
@Internal
- List getBacklinkEntities(int entityId, Property relationIdProperty, long key) {
+ List getBacklinkEntities(int entityId, Property relationIdProperty, long key) {
try {
return nativeGetBacklinkEntities(cursor, entityId, relationIdProperty.getId(), key);
} catch (IllegalArgumentException e) {
@@ -284,8 +291,23 @@ List getBacklinkEntities(int entityId, Property relationIdProperty, long key)
}
@Internal
- public List getRelationEntities(int sourceEntityId, int relationId, long key) {
- return nativeGetRelationEntities(cursor, sourceEntityId, relationId, key);
+ long[] getBacklinkIds(int entityId, Property relationIdProperty, long key) {
+ try {
+ return nativeGetBacklinkIds(cursor, entityId, relationIdProperty.getId(), key);
+ } catch (IllegalArgumentException e) {
+ throw new IllegalArgumentException("Please check if the given property belongs to a valid @Relation: "
+ + relationIdProperty, e);
+ }
+ }
+
+ @Internal
+ public List getRelationEntities(int sourceEntityId, int relationId, long key, boolean backlink) {
+ return nativeGetRelationEntities(cursor, sourceEntityId, relationId, key, backlink);
+ }
+
+ @Internal
+ public long[] getRelationIds(int sourceEntityId, int relationId, long key, boolean backlink) {
+ return nativeGetRelationIds(cursor, sourceEntityId, relationId, key, backlink);
}
@Internal
@@ -298,6 +320,17 @@ public void modifyRelationsSingle(int relationId, long key, long targetKey, bool
nativeModifyRelationsSingle(cursor, relationId, key, targetKey, remove);
}
+ protected void checkApplyToManyToDb(List orders, Class targetClass) {
+ if (orders instanceof ToMany) {
+ ToMany toMany = (ToMany) orders;
+ if (toMany.internalCheckApplyToDbRequired()) {
+ try (Cursor targetCursor = getRelationTargetCursor(targetClass)) {
+ toMany.internalApplyToDb(this, targetCursor);
+ }
+ }
+ }
+ }
+
@Override
public String toString() {
return "Cursor " + Long.toString(cursor, 16) + (isClosed() ? "(closed)" : "");
diff --git a/objectbox-java/src/main/java/io/objectbox/DebugFlags.java b/objectbox-java/src/main/java/io/objectbox/DebugFlags.java
new file mode 100644
index 00000000..ebd95bd0
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/DebugFlags.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// automatically generated by the FlatBuffers compiler, do not modify
+
+package io.objectbox;
+
+/**
+ * Not really an enum, but binary flags to use across languages
+ */
+public final class DebugFlags {
+ private DebugFlags() { }
+ public static final int LOG_TRANSACTIONS_READ = 1;
+ public static final int LOG_TRANSACTIONS_WRITE = 2;
+ public static final int LOG_QUERIES = 4;
+ public static final int LOG_QUERY_PARAMETERS = 8;
+ public static final int LOG_ASYNC_QUEUE = 16;
+ public static final int LOG_CACHE_HITS = 32;
+ public static final int LOG_CACHE_ALL = 64;
+}
+
diff --git a/objectbox-java/src/main/java/io/objectbox/EntityInfo.java b/objectbox-java/src/main/java/io/objectbox/EntityInfo.java
index 17d467a4..3b561fdd 100644
--- a/objectbox-java/src/main/java/io/objectbox/EntityInfo.java
+++ b/objectbox-java/src/main/java/io/objectbox/EntityInfo.java
@@ -32,9 +32,9 @@ public interface EntityInfo extends Serializable {
int getEntityId();
- Property[] getAllProperties();
+ Property[] getAllProperties();
- Property getIdProperty();
+ Property getIdProperty();
IdGetter getIdGetter();
diff --git a/objectbox-java/src/main/java/com/google/flatbuffers/Struct.java b/objectbox-java/src/main/java/io/objectbox/Factory.java
similarity index 56%
rename from objectbox-java/src/main/java/com/google/flatbuffers/Struct.java
rename to objectbox-java/src/main/java/io/objectbox/Factory.java
index ae315531..78020b23 100644
--- a/objectbox-java/src/main/java/com/google/flatbuffers/Struct.java
+++ b/objectbox-java/src/main/java/io/objectbox/Factory.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2014 Google Inc. All rights reserved.
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -14,20 +14,15 @@
* limitations under the License.
*/
-package com.google.flatbuffers;
+package io.objectbox;
-import java.nio.ByteBuffer;
+import io.objectbox.annotation.apihint.Experimental;
-/// @cond FLATBUFFERS_INTERNAL
/**
- * All structs in the generated code derive from this class, and add their own accessors.
+ * Generic Factory that provides a resource on demand (if and when it is required).
*/
-public class Struct {
- /** Used to hold the position of the `bb` buffer. */
- protected int bb_pos;
- /** The underlying ByteBuffer to hold the data of the Struct. */
- protected ByteBuffer bb;
+@Experimental
+public interface Factory {
+ T provide() throws Exception;
}
-
-/// @endcond
diff --git a/objectbox-java/src/main/java/io/objectbox/InternalAccess.java b/objectbox-java/src/main/java/io/objectbox/InternalAccess.java
index 2fb72200..9c858ccc 100644
--- a/objectbox-java/src/main/java/io/objectbox/InternalAccess.java
+++ b/objectbox-java/src/main/java/io/objectbox/InternalAccess.java
@@ -28,6 +28,10 @@ public static long getHandle(Cursor reader) {
return reader.internalHandle();
}
+ public static long getHandle(Transaction tx) {
+ return tx.internalHandle();
+ }
+
public static void releaseReader(Box box, Cursor reader) {
box.releaseReader(reader);
}
@@ -51,4 +55,10 @@ public static void releaseWriter(Box box, Cursor writer) {
public static void commitWriter(Box box, Cursor writer) {
box.commitWriter(writer);
}
+
+ /** Makes creation more expensive, but lets Finalizers show the creation stack for dangling resources. */
+ public static void enableCreationStackTracking() {
+ Transaction.TRACK_CREATION_STACK = true;
+ Cursor.TRACK_CREATION_STACK = true;
+ }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/KeyValueCursor.java b/objectbox-java/src/main/java/io/objectbox/KeyValueCursor.java
index 8fd53814..fec5b72a 100644
--- a/objectbox-java/src/main/java/io/objectbox/KeyValueCursor.java
+++ b/objectbox-java/src/main/java/io/objectbox/KeyValueCursor.java
@@ -21,6 +21,7 @@
import javax.annotation.concurrent.NotThreadSafe;
@NotThreadSafe
+@SuppressWarnings("WeakerAccess,UnusedReturnValue, unused")
public class KeyValueCursor implements Closeable {
private static final int PUT_FLAG_FIRST = 1;
private static final int PUT_FLAG_COMPLETE = 1 << 1;
diff --git a/objectbox-java/src/main/java/io/objectbox/ModelBuilder.java b/objectbox-java/src/main/java/io/objectbox/ModelBuilder.java
index 06d366f3..cc1efa41 100644
--- a/objectbox-java/src/main/java/io/objectbox/ModelBuilder.java
+++ b/objectbox-java/src/main/java/io/objectbox/ModelBuilder.java
@@ -21,6 +21,8 @@
import java.util.ArrayList;
import java.util.List;
+import javax.annotation.Nullable;
+
import io.objectbox.annotation.apihint.Internal;
import io.objectbox.model.IdUid;
import io.objectbox.model.Model;
@@ -29,6 +31,7 @@
import io.objectbox.model.ModelRelation;
// Remember: IdUid is a struct, not a table, and thus must be inlined
+@SuppressWarnings("WeakerAccess,UnusedReturnValue, unused")
@Internal
public class ModelBuilder {
private static final int MODEL_VERSION = 2;
@@ -48,40 +51,56 @@ public class ModelBuilder {
Long lastRelationUid;
public class PropertyBuilder {
- boolean finished;
+ private final int type;
+ private final int virtualTargetOffset;
+ private final int propertyNameOffset;
+ private final int targetEntityOffset;
- PropertyBuilder(String name, String targetEntityName, String virtualTarget, int type) {
- int propertyNameOffset = fbb.createString(name);
- int targetEntityOffset = targetEntityName != null ? fbb.createString(targetEntityName) : 0;
- int virtualTargetOffset = virtualTarget != null ? fbb.createString(virtualTarget) : 0;
- ModelProperty.startModelProperty(fbb);
- ModelProperty.addName(fbb, propertyNameOffset);
- if (targetEntityOffset != 0) {
- ModelProperty.addTargetEntity(fbb, targetEntityOffset);
- }
- if (virtualTargetOffset != 0) {
- ModelProperty.addVirtualTarget(fbb, virtualTargetOffset);
- }
- ModelProperty.addType(fbb, type);
+ private int secondaryNameOffset;
+ boolean finished;
+ private int flags;
+ private int id;
+ private long uid;
+ private int indexId;
+ private long indexUid;
+ private int indexMaxValueLength;
+
+ PropertyBuilder(String name, @Nullable String targetEntityName, @Nullable String virtualTarget, int type) {
+ this.type = type;
+ propertyNameOffset = fbb.createString(name);
+ targetEntityOffset = targetEntityName != null ? fbb.createString(targetEntityName) : 0;
+ virtualTargetOffset = virtualTarget != null ? fbb.createString(virtualTarget) : 0;
}
public PropertyBuilder id(int id, long uid) {
checkNotFinished();
- int idOffset = IdUid.createIdUid(fbb, id, uid);
- ModelProperty.addId(fbb, idOffset);
+ this.id = id;
+ this.uid = uid;
return this;
}
public PropertyBuilder indexId(int indexId, long indexUid) {
checkNotFinished();
- int idOffset = IdUid.createIdUid(fbb, indexId, indexUid);
- ModelProperty.addIndexId(fbb, idOffset);
+ this.indexId = indexId;
+ this.indexUid = indexUid;
+ return this;
+ }
+
+ public PropertyBuilder indexMaxValueLength(int indexMaxValueLength) {
+ checkNotFinished();
+ this.indexMaxValueLength = indexMaxValueLength;
return this;
}
public PropertyBuilder flags(int flags) {
checkNotFinished();
- ModelProperty.addFlags(fbb, flags);
+ this.flags = flags;
+ return this;
+ }
+
+ public PropertyBuilder secondaryName(String secondaryName) {
+ checkNotFinished();
+ secondaryNameOffset = fbb.createString(secondaryName);
return this;
}
@@ -94,6 +113,32 @@ private void checkNotFinished() {
public int finish() {
checkNotFinished();
finished = true;
+ ModelProperty.startModelProperty(fbb);
+ ModelProperty.addName(fbb, propertyNameOffset);
+ if (targetEntityOffset != 0) {
+ ModelProperty.addTargetEntity(fbb, targetEntityOffset);
+ }
+ if (virtualTargetOffset != 0) {
+ ModelProperty.addVirtualTarget(fbb, virtualTargetOffset);
+ }
+ if (secondaryNameOffset != 0) {
+ ModelProperty.addNameSecondary(fbb, secondaryNameOffset);
+ }
+ if (id != 0) {
+ int idOffset = IdUid.createIdUid(fbb, id, uid);
+ ModelProperty.addId(fbb, idOffset);
+ }
+ if (indexId != 0) {
+ int indexIdOffset = IdUid.createIdUid(fbb, indexId, indexUid);
+ ModelProperty.addIndexId(fbb, indexIdOffset);
+ }
+ if (indexMaxValueLength > 0) {
+ ModelProperty.addMaxIndexValueLength(fbb, indexMaxValueLength);
+ }
+ ModelProperty.addType(fbb, type);
+ if (flags != 0) {
+ ModelProperty.addFlags(fbb, flags);
+ }
return ModelProperty.endModelProperty(fbb);
}
}
@@ -144,11 +189,12 @@ public PropertyBuilder property(String name, int type) {
return property(name, null, type);
}
- public PropertyBuilder property(String name, String targetEntityName, int type) {
+ public PropertyBuilder property(String name, @Nullable String targetEntityName, int type) {
return property(name, targetEntityName, null, type);
}
- public PropertyBuilder property(String name, String targetEntityName, String virtualTarget, int type) {
+ public PropertyBuilder property(String name, @Nullable String targetEntityName, @Nullable String virtualTarget,
+ int type) {
checkNotFinished();
checkFinishProperty();
propertyBuilder = new PropertyBuilder(name, targetEntityName, virtualTarget, type);
@@ -192,7 +238,7 @@ public ModelBuilder entityDone() {
ModelEntity.addName(fbb, testEntityNameOffset);
ModelEntity.addProperties(fbb, propertiesOffset);
if (relationsOffset != 0) ModelEntity.addRelations(fbb, relationsOffset);
- if (id != null || uid != null) {
+ if (id != null && uid != null) {
int idOffset = IdUid.createIdUid(fbb, id, uid);
ModelEntity.addId(fbb, idOffset);
}
diff --git a/objectbox-java/src/main/java/io/objectbox/ObjectClassPublisher.java b/objectbox-java/src/main/java/io/objectbox/ObjectClassPublisher.java
index 25ad301d..9adc0c41 100644
--- a/objectbox-java/src/main/java/io/objectbox/ObjectClassPublisher.java
+++ b/objectbox-java/src/main/java/io/objectbox/ObjectClassPublisher.java
@@ -47,11 +47,11 @@ class ObjectClassPublisher implements DataPublisher, Runnable {
public void subscribe(DataObserver observer, @Nullable Object forClass) {
if (forClass == null) {
for (int entityTypeId : boxStore.getAllEntityTypeIds()) {
- observersByEntityTypeId.putElement(entityTypeId, (DataObserver) observer);
+ observersByEntityTypeId.putElement(entityTypeId, observer);
}
} else {
- int entityTypeId = boxStore.getEntityTypeIdOrThrow((Class) forClass);
- observersByEntityTypeId.putElement(entityTypeId, (DataObserver) observer);
+ int entityTypeId = boxStore.getEntityTypeIdOrThrow((Class) forClass);
+ observersByEntityTypeId.putElement(entityTypeId, observer);
}
}
@@ -61,7 +61,7 @@ public void subscribe(DataObserver observer, @Nullable Object forClass) {
*/
public void unsubscribe(DataObserver observer, @Nullable Object forClass) {
if (forClass != null) {
- int entityTypeId = boxStore.getEntityTypeIdOrThrow((Class) forClass);
+ int entityTypeId = boxStore.getEntityTypeIdOrThrow((Class) forClass);
unsubscribe(observer, entityTypeId);
} else {
for (int entityTypeId : boxStore.getAllEntityTypeIds()) {
@@ -77,17 +77,14 @@ private void unsubscribe(DataObserver observer, int entityTypeId) {
@Override
public void publishSingle(final DataObserver observer, @Nullable final Object forClass) {
- boxStore.internalScheduleThread(new Runnable() {
- @Override
- public void run() {
- Collection entityClasses = forClass != null ? Collections.singletonList((Class) forClass) :
- boxStore.getAllEntityClasses();
- for (Class entityClass : entityClasses) {
- try {
- observer.onData(entityClass);
- } catch (RuntimeException e) {
- handleObserverException(entityClass);
- }
+ boxStore.internalScheduleThread(() -> {
+ Collection> entityClasses = forClass != null ? Collections.singletonList((Class) forClass) :
+ boxStore.getAllEntityClasses();
+ for (Class entityClass : entityClasses) {
+ try {
+ observer.onData(entityClass);
+ } catch (RuntimeException e) {
+ handleObserverException(entityClass);
}
}
});
@@ -132,7 +129,7 @@ public void run() {
for (int entityTypeId : entityTypeIdsAffected) {
Collection> observers = observersByEntityTypeId.get(entityTypeId);
if (observers != null && !observers.isEmpty()) {
- Class objectClass = boxStore.getEntityClassOrThrow(entityTypeId);
+ Class objectClass = boxStore.getEntityClassOrThrow(entityTypeId);
try {
for (DataObserver observer : observers) {
observer.onData(objectClass);
diff --git a/objectbox-java/src/main/java/io/objectbox/Property.java b/objectbox-java/src/main/java/io/objectbox/Property.java
index e1aee625..af7ff7cb 100644
--- a/objectbox-java/src/main/java/io/objectbox/Property.java
+++ b/objectbox-java/src/main/java/io/objectbox/Property.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ * Copyright 2017-2019 ObjectBox Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -19,6 +19,8 @@
import java.io.Serializable;
import java.util.Collection;
+import javax.annotation.Nullable;
+
import io.objectbox.annotation.apihint.Internal;
import io.objectbox.converter.PropertyConverter;
import io.objectbox.exception.DbException;
@@ -27,11 +29,14 @@
import io.objectbox.query.QueryCondition.PropertyCondition.Operation;
/**
- * Meta data describing a property
+ * Meta data describing a property of an ObjectBox entity.
+ * Properties are typically used to define query criteria using {@link io.objectbox.query.QueryBuilder}.
*/
-public class Property implements Serializable {
+@SuppressWarnings("WeakerAccess,UnusedReturnValue, unused")
+public class Property implements Serializable {
private static final long serialVersionUID = 8613291105982758093L;
+ public final EntityInfo entity;
public final int ordinal;
public final int id;
@@ -39,79 +44,95 @@ public class Property implements Serializable {
public final Class type;
public final String name;
- public final boolean primaryKey;
+ public final boolean isId;
+ public final boolean isVirtual;
public final String dbName;
- public final Class converterClass;
+ public final Class> converterClass;
/** Type, which is converted to a type supported by the DB. */
- public final Class customType;
+ public final Class customType;
// TODO verified state should be per DB -> move to BoxStore/Box.
// Also, this should make the Property class truly @Immutable.
private boolean idVerified;
- public Property(int ordinal, int id, Class type, String name, boolean primaryKey, String dbName) {
- this(ordinal, id, type, name, primaryKey, dbName, null, null);
+ public Property(EntityInfo entity, int ordinal, int id, Class type, String name) {
+ this(entity, ordinal, id, type, name, false, name, null, null);
+ }
+
+ public Property(EntityInfo entity, int ordinal, int id, Class type, String name, boolean isVirtual) {
+ this(entity, ordinal, id, type, name, false, isVirtual, name, null, null);
+ }
+
+ public Property(EntityInfo entity, int ordinal, int id, Class type, String name, boolean isId,
+ @Nullable String dbName) {
+ this(entity, ordinal, id, type, name, isId, dbName, null, null);
}
- public Property(int ordinal, int id, Class type, String name) {
- this(ordinal, id, type, name, false, name, null, null);
+ // Note: types of PropertyConverter might not exactly match type and customtype, e.g. if using generics like List.class.
+ public Property(EntityInfo entity, int ordinal, int id, Class type, String name, boolean isId,
+ @Nullable String dbName, @Nullable Class> converterClass,
+ @Nullable Class customType) {
+ this(entity, ordinal, id, type, name, isId, false, dbName, converterClass, customType);
}
- public Property(int ordinal, int id, Class type, String name, boolean primaryKey, String dbName,
- Class converterClass, Class customType) {
+ public Property(EntityInfo entity, int ordinal, int id, Class type, String name, boolean isId,
+ boolean isVirtual, @Nullable String dbName,
+ @Nullable Class> converterClass, @Nullable Class customType) {
+ this.entity = entity;
this.ordinal = ordinal;
this.id = id;
this.type = type;
this.name = name;
- this.primaryKey = primaryKey;
+ this.isId = isId;
+ this.isVirtual = isVirtual;
this.dbName = dbName;
this.converterClass = converterClass;
this.customType = customType;
}
- /** Creates an "equal ('=')" condition for this property. */
+ /** Creates an "equal ('=')" condition for this property. */
public QueryCondition eq(Object value) {
return new PropertyCondition(this, Operation.EQUALS, value);
}
- /** Creates an "not equal ('<>')" condition for this property. */
+ /** Creates an "not equal ('<>')" condition for this property. */
public QueryCondition notEq(Object value) {
return new PropertyCondition(this, Operation.NOT_EQUALS, value);
}
- /** Creates an "BETWEEN ... AND ..." condition for this property. */
+ /** Creates an "BETWEEN ... AND ..." condition for this property. */
public QueryCondition between(Object value1, Object value2) {
Object[] values = {value1, value2};
return new PropertyCondition(this, Operation.BETWEEN, values);
}
- /** Creates an "IN (..., ..., ...)" condition for this property. */
+ /** Creates an "IN (..., ..., ...)" condition for this property. */
public QueryCondition in(Object... inValues) {
return new PropertyCondition(this, Operation.IN, inValues);
}
- /** Creates an "IN (..., ..., ...)" condition for this property. */
+ /** Creates an "IN (..., ..., ...)" condition for this property. */
public QueryCondition in(Collection inValues) {
return in(inValues.toArray());
}
- /** Creates an "greater than ('>')" condition for this property. */
+ /** Creates an "greater than ('>')" condition for this property. */
public QueryCondition gt(Object value) {
return new PropertyCondition(this, Operation.GREATER_THAN, value);
}
- /** Creates an "less than ('<')" condition for this property. */
+ /** Creates an "less than ('<')" condition for this property. */
public QueryCondition lt(Object value) {
return new PropertyCondition(this, Operation.LESS_THAN, value);
}
- /** Creates an "IS NULL" condition for this property. */
+ /** Creates an "IS NULL" condition for this property. */
public QueryCondition isNull() {
return new PropertyCondition(this, Operation.IS_NULL, null);
}
- /** Creates an "IS NOT NULL" condition for this property. */
+ /** Creates an "IS NOT NULL" condition for this property. */
public QueryCondition isNotNull() {
return new PropertyCondition(this, Operation.IS_NOT_NULL, null);
}
@@ -137,6 +158,11 @@ public QueryCondition endsWith(String value) {
return new PropertyCondition(this, Operation.ENDS_WITH, value);
}
+ @Internal
+ public int getEntityId() {
+ return entity.getEntityId();
+ }
+
@Internal
public int getId() {
if (this.id <= 0) {
diff --git a/objectbox-java/src/main/java/io/objectbox/Transaction.java b/objectbox-java/src/main/java/io/objectbox/Transaction.java
index 54c2ae35..888317cb 100644
--- a/objectbox-java/src/main/java/io/objectbox/Transaction.java
+++ b/objectbox-java/src/main/java/io/objectbox/Transaction.java
@@ -20,13 +20,17 @@
import javax.annotation.concurrent.NotThreadSafe;
+import io.objectbox.annotation.apihint.Experimental;
import io.objectbox.annotation.apihint.Internal;
import io.objectbox.internal.CursorFactory;
@Internal
@NotThreadSafe
+@SuppressWarnings("WeakerAccess,UnusedReturnValue,unused")
public class Transaction implements Closeable {
- static final boolean WARN_FINALIZER = false;
+ /** May be set by tests */
+ @Internal
+ static boolean TRACK_CREATION_STACK;
private final long transaction;
private final BoxStore store;
@@ -34,31 +38,35 @@ public class Transaction implements Closeable {
private final Throwable creationThrowable;
private int initialCommitCount;
- private boolean closed;
- static native void nativeDestroy(long transaction);
+ /** volatile because finalizer thread may interfere with "one thread, one TX" rule */
+ private volatile boolean closed;
+
+ native void nativeDestroy(long transaction);
+
+ native int[] nativeCommit(long transaction);
- static native int[] nativeCommit(long transaction);
+ native void nativeAbort(long transaction);
- static native void nativeAbort(long transaction);
+ native void nativeReset(long transaction);
- static native void nativeReset(long transaction);
+ native void nativeRecycle(long transaction);
- static native void nativeRecycle(long transaction);
+ native void nativeRenew(long transaction);
- static native void nativeRenew(long transaction);
+ native long nativeCreateKeyValueCursor(long transaction);
- static native long nativeCreateKeyValueCursor(long transaction);
+ native long nativeCreateCursor(long transaction, String entityName, Class entityClass);
- static native long nativeCreateCursor(long transaction, String entityName, Class entityClass);
+ // native long nativeGetStore(long transaction);
- //static native long nativeGetStore(long transaction);
+ native boolean nativeIsActive(long transaction);
- static native boolean nativeIsActive(long transaction);
+ native boolean nativeIsOwnerThread(long transaction);
- static native boolean nativeIsRecycled(long transaction);
+ native boolean nativeIsRecycled(long transaction);
- static native boolean nativeIsReadOnly(long transaction);
+ native boolean nativeIsReadOnly(long transaction);
public Transaction(BoxStore store, long transaction, int initialCommitCount) {
this.store = store;
@@ -66,15 +74,15 @@ public Transaction(BoxStore store, long transaction, int initialCommitCount) {
this.initialCommitCount = initialCommitCount;
readOnly = nativeIsReadOnly(transaction);
- creationThrowable = WARN_FINALIZER ? new Throwable() : null;
+ creationThrowable = TRACK_CREATION_STACK ? new Throwable() : null;
}
+ /**
+ * Explicitly call {@link #close()} instead to avoid expensive finalization.
+ */
+ @SuppressWarnings("deprecation") // finalize()
@Override
protected void finalize() throws Throwable {
- if (WARN_FINALIZER && !closed && creationThrowable != null) {
- System.err.println("Transaction was not closed. It was initially created here:");
- creationThrowable.printStackTrace();
- }
close();
super.finalize();
}
@@ -88,9 +96,31 @@ private void checkOpen() {
@Override
public synchronized void close() {
if (!closed) {
+ // Closeable recommendation: mark as closed before any code that might throw.
closed = true;
store.unregisterTransaction(this);
+ if (!nativeIsOwnerThread(transaction)) {
+ boolean isActive = nativeIsActive(transaction);
+ boolean isRecycled = nativeIsRecycled(transaction);
+ if (isActive || isRecycled) {
+ String msgPostfix = " (initial commit count: " + initialCommitCount + ").";
+ if (isActive) {
+ System.err.println("Transaction is still active" + msgPostfix);
+ } else {
+ // This is not uncommon when using Box; as it keeps a thread-local Cursor and recycles the TX
+ System.out.println("Hint: use closeThreadResources() to avoid finalizing recycled transactions"
+ + msgPostfix);
+ System.out.flush();
+ }
+ if (creationThrowable != null) {
+ System.err.println("Transaction was initially created here:");
+ creationThrowable.printStackTrace();
+ }
+ System.err.flush();
+ }
+ }
+
// If store is already closed natively, destroying the tx would cause EXCEPTION_ACCESS_VIOLATION
// TODO not destroying is probably only a small leak on rare occasions, but still could be fixed
if (!store.isClosed()) {
@@ -115,20 +145,27 @@ public void abort() {
nativeAbort(transaction);
}
- /** Efficient for read transactions. */
+ /**
+ * Will throw if Cursors are still active for this TX.
+ * Efficient for read transactions.
+ */
+ @Experimental
public void reset() {
checkOpen();
initialCommitCount = store.commitCount;
nativeReset(transaction);
}
- /** For read transactions. */
+ /**
+ * For read transactions, this releases important native resources that hold on versions of potential old data.
+ * To continue, use {@link #renew()}.
+ */
public void recycle() {
checkOpen();
nativeRecycle(transaction);
}
- /** Efficient for read transactions. */
+ /** Renews a previously recycled transaction (see {@link #recycle()}). Efficient for read transactions. */
public void renew() {
checkOpen();
initialCommitCount = store.commitCount;
@@ -143,7 +180,7 @@ public KeyValueCursor createKeyValueCursor() {
public Cursor createCursor(Class entityClass) {
checkOpen();
- EntityInfo entityInfo = store.getEntityInfo(entityClass);
+ EntityInfo entityInfo = store.getEntityInfo(entityClass);
CursorFactory factory = entityInfo.getCursorFactory();
long cursorHandle = nativeCreateCursor(transaction, entityInfo.getDbName(), entityClass);
return factory.createCursor(this, cursorHandle, store);
diff --git a/objectbox-java/src/main/java/io/objectbox/converter/NullToEmptyStringConverter.java b/objectbox-java/src/main/java/io/objectbox/converter/NullToEmptyStringConverter.java
new file mode 100644
index 00000000..1f8873fd
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/converter/NullToEmptyStringConverter.java
@@ -0,0 +1,22 @@
+package io.objectbox.converter;
+
+import javax.annotation.Nullable;
+
+/**
+ * Used as a converter if a property is annotated with {@link io.objectbox.annotation.DefaultValue @DefaultValue("")}.
+ */
+public class NullToEmptyStringConverter implements PropertyConverter {
+
+ @Override
+ public String convertToDatabaseValue(String entityProperty) {
+ return entityProperty;
+ }
+
+ @Override
+ public String convertToEntityProperty(@Nullable String databaseValue) {
+ if (databaseValue == null) {
+ return "";
+ }
+ return databaseValue;
+ }
+}
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/ConstraintViolationException.java b/objectbox-java/src/main/java/io/objectbox/exception/ConstraintViolationException.java
new file mode 100644
index 00000000..29088db7
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/exception/ConstraintViolationException.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.objectbox.exception;
+
+/** Base class for exceptions thrown when a constraint would be violated during a put operation. */
+public class ConstraintViolationException extends DbException {
+ public ConstraintViolationException(String message) {
+ super(message);
+ }
+}
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/DbDetachedException.java b/objectbox-java/src/main/java/io/objectbox/exception/DbDetachedException.java
index 81480284..65b47dba 100644
--- a/objectbox-java/src/main/java/io/objectbox/exception/DbDetachedException.java
+++ b/objectbox-java/src/main/java/io/objectbox/exception/DbDetachedException.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.exception;
public class DbDetachedException extends DbException {
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/DbException.java b/objectbox-java/src/main/java/io/objectbox/exception/DbException.java
index 263a3b33..f1cd7967 100644
--- a/objectbox-java/src/main/java/io/objectbox/exception/DbException.java
+++ b/objectbox-java/src/main/java/io/objectbox/exception/DbException.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.exception;
/**
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/DbExceptionListener.java b/objectbox-java/src/main/java/io/objectbox/exception/DbExceptionListener.java
new file mode 100644
index 00000000..d346280f
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/exception/DbExceptionListener.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2018 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.objectbox.exception;
+
+/**
+ * Listener for exceptions occurring during database operations.
+ * Set via {@link io.objectbox.BoxStore#setDbExceptionListener(DbExceptionListener)}.
+ */
+public interface DbExceptionListener {
+ /**
+ * Called when an exception is thrown during a database operation.
+ * Do NOT throw exceptions in this method: throw exceptions are ignored (but logged to stderr).
+ *
+ * @param e the exception occurred during a database operation
+ */
+ void onDbException(Exception e);
+}
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/DbFullException.java b/objectbox-java/src/main/java/io/objectbox/exception/DbFullException.java
index 820800c2..5b0da063 100644
--- a/objectbox-java/src/main/java/io/objectbox/exception/DbFullException.java
+++ b/objectbox-java/src/main/java/io/objectbox/exception/DbFullException.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.exception;
public class DbFullException extends DbException {
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/DbMaxReadersExceededException.java b/objectbox-java/src/main/java/io/objectbox/exception/DbMaxReadersExceededException.java
index a4369960..d3587778 100644
--- a/objectbox-java/src/main/java/io/objectbox/exception/DbMaxReadersExceededException.java
+++ b/objectbox-java/src/main/java/io/objectbox/exception/DbMaxReadersExceededException.java
@@ -1,10 +1,33 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.exception;
+import io.objectbox.BoxStore;
+import io.objectbox.BoxStoreBuilder;
+
/**
* Thrown when the maximum of readers (read transactions) was exceeded.
* Verify that you run a reasonable amount of threads only.
- * If you intend to work with a very high number of threads (>100), consider increasing the number of maximum readers
- * using {@link io.objectbox.BoxStoreBuilder#maxReaders(int)}.
+ *
+ * If you intend to work with a very high number of threads (>100), consider increasing the number of maximum readers
+ * using {@link BoxStoreBuilder#maxReaders(int)} and enabling query retries using
+ * {@link BoxStoreBuilder#queryAttempts(int)}.
+ *
+ * For debugging issues related to this exception, check {@link BoxStore#diagnose()}.
*/
public class DbMaxReadersExceededException extends DbException {
public DbMaxReadersExceededException(String message) {
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/DbSchemaException.java b/objectbox-java/src/main/java/io/objectbox/exception/DbSchemaException.java
index f7239ff0..a337915e 100644
--- a/objectbox-java/src/main/java/io/objectbox/exception/DbSchemaException.java
+++ b/objectbox-java/src/main/java/io/objectbox/exception/DbSchemaException.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.exception;
public class DbSchemaException extends DbException {
diff --git a/objectbox-java-api/src/main/java/io/objectbox/annotation/JoinProperty.java b/objectbox-java/src/main/java/io/objectbox/exception/DbShutdownException.java
similarity index 53%
rename from objectbox-java-api/src/main/java/io/objectbox/annotation/JoinProperty.java
rename to objectbox-java/src/main/java/io/objectbox/exception/DbShutdownException.java
index 6fe3b46e..3cf4b69e 100644
--- a/objectbox-java-api/src/main/java/io/objectbox/annotation/JoinProperty.java
+++ b/objectbox-java/src/main/java/io/objectbox/exception/DbShutdownException.java
@@ -14,23 +14,21 @@
* limitations under the License.
*/
-package io.objectbox.annotation;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
+package io.objectbox.exception;
/**
- * Defines name and referencedName properties for relations
- *
- * @see Relation
+ * Thrown when an error occurred that requires the DB to shutdown.
+ * This may be an I/O error for example.
+ * Regular operations won't be possible anymore.
+ * To handle that situation you could exit the app or try to reopen the store.
*/
-@Retention(RetentionPolicy.CLASS)
-@Target({})
-/** TODO public */ @interface JoinProperty {
- /** Name of the property in the name entity, which matches {@link #referencedName()} */
- String name();
+public class DbShutdownException extends DbException {
+ public DbShutdownException(String message) {
+ super(message);
+ }
+
+ public DbShutdownException(String message, int errorCode) {
+ super(message, errorCode);
+ }
- /** Name of the property in the referencedName entity, which matches {@link #name()} */
- String referencedName();
}
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/NonUniqueResultException.java b/objectbox-java/src/main/java/io/objectbox/exception/NonUniqueResultException.java
new file mode 100644
index 00000000..4eb4dbdf
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/exception/NonUniqueResultException.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2018 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.objectbox.exception;
+
+/** Throw if {@link io.objectbox.query.Query#findUnique()} returns more than one result. */
+public class NonUniqueResultException extends DbException {
+ public NonUniqueResultException(String message) {
+ super(message);
+ }
+}
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/NumericOverflowException.java b/objectbox-java/src/main/java/io/objectbox/exception/NumericOverflowException.java
new file mode 100644
index 00000000..8ab0c395
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/exception/NumericOverflowException.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2019 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.objectbox.exception;
+
+/**
+ * Thrown if a property query aggregate function can not compute a result due to a number type overflowing.
+ */
+public class NumericOverflowException extends DbException {
+
+ public NumericOverflowException(String message) {
+ super(message);
+ }
+}
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/UniqueViolationException.java b/objectbox-java/src/main/java/io/objectbox/exception/UniqueViolationException.java
new file mode 100644
index 00000000..023bbbac
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/exception/UniqueViolationException.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2017-2018 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.objectbox.exception;
+
+/** Thrown when a @{@link io.objectbox.annotation.Unique} constraint would be violated during a put operation. */
+public class UniqueViolationException extends ConstraintViolationException {
+ public UniqueViolationException(String message) {
+ super(message);
+ }
+}
diff --git a/objectbox-java/src/main/java/io/objectbox/exception/package-info.java b/objectbox-java/src/main/java/io/objectbox/exception/package-info.java
new file mode 100644
index 00000000..c389e4c5
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/exception/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2019 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Various exceptions thrown by ObjectBox.
+ */
+package io.objectbox.exception;
\ No newline at end of file
diff --git a/objectbox-java/src/main/java/io/objectbox/ideasonly/ModelModifier.java b/objectbox-java/src/main/java/io/objectbox/ideasonly/ModelModifier.java
index b70e43f6..f799f5f3 100644
--- a/objectbox-java/src/main/java/io/objectbox/ideasonly/ModelModifier.java
+++ b/objectbox-java/src/main/java/io/objectbox/ideasonly/ModelModifier.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.ideasonly;
public class ModelModifier {
diff --git a/objectbox-java/src/main/java/io/objectbox/ideasonly/ModelUpdate.java b/objectbox-java/src/main/java/io/objectbox/ideasonly/ModelUpdate.java
index 94341cd0..6a1d3213 100644
--- a/objectbox-java/src/main/java/io/objectbox/ideasonly/ModelUpdate.java
+++ b/objectbox-java/src/main/java/io/objectbox/ideasonly/ModelUpdate.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.ideasonly;
public interface ModelUpdate {
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/CallWithHandle.java b/objectbox-java/src/main/java/io/objectbox/internal/CallWithHandle.java
index 21dcbeda..9069dd8a 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/CallWithHandle.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/CallWithHandle.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
import io.objectbox.annotation.apihint.Internal;
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/CrashReportLogger.java b/objectbox-java/src/main/java/io/objectbox/internal/CrashReportLogger.java
deleted file mode 100644
index 507072c7..00000000
--- a/objectbox-java/src/main/java/io/objectbox/internal/CrashReportLogger.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package io.objectbox.internal;
-
-import io.objectbox.annotation.apihint.Internal;
-
-/**
- * Give native code the chance to add additional info for tools like Crashlytics.
- */
-@Internal
-public interface CrashReportLogger {
- void log(String message);
-}
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/CursorFactory.java b/objectbox-java/src/main/java/io/objectbox/internal/CursorFactory.java
index e4e2c405..e1f094e5 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/CursorFactory.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/CursorFactory.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
import javax.annotation.Nullable;
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/DebugCursor.java b/objectbox-java/src/main/java/io/objectbox/internal/DebugCursor.java
new file mode 100644
index 00000000..88816ab0
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/internal/DebugCursor.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.objectbox.internal;
+
+import java.io.Closeable;
+
+import io.objectbox.InternalAccess;
+import io.objectbox.Transaction;
+import io.objectbox.annotation.apihint.Beta;
+
+/** Not intended for normal use. */
+@Beta
+public class DebugCursor implements Closeable {
+
+ private final Transaction tx;
+ private final long handle;
+ private boolean closed;
+
+ static native long nativeCreate(long txHandle);
+
+ static native void nativeDestroy(long handle);
+
+ static native byte[] nativeGet(long handle, byte[] key);
+
+ static native byte[] nativeSeekOrNext(long handle, byte[] key);
+
+ public static DebugCursor create(Transaction tx) {
+ long txHandle = InternalAccess.getHandle(tx);
+ return new DebugCursor(tx, nativeCreate(txHandle));
+ }
+
+ public DebugCursor(Transaction tx, long handle) {
+ this.tx = tx;
+ this.handle = handle;
+ }
+
+ @Override
+ public synchronized void close() {
+ if (!closed) {
+ // Closeable recommendation: mark as closed before any code that might throw.
+ closed = true;
+ // tx is null despite check in constructor in some tests (called by finalizer):
+ // Null check avoids NPE in finalizer and seems to stabilize Android instrumentation perf tests.
+ if (tx != null && !tx.getStore().isClosed()) {
+ nativeDestroy(handle);
+ }
+ }
+ }
+
+ /**
+ * Explicitly call {@link #close()} instead to avoid expensive finalization.
+ */
+ @SuppressWarnings("deprecation") // finalize()
+ @Override
+ protected void finalize() throws Throwable {
+ if (!closed) {
+ close();
+ super.finalize();
+ }
+ }
+
+ public byte[] get(byte[] key) {
+ return nativeGet(handle, key);
+ }
+
+ public byte[] seekOrNext(byte[] key) {
+ return nativeSeekOrNext(handle, key);
+ }
+
+
+}
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/IdGetter.java b/objectbox-java/src/main/java/io/objectbox/internal/IdGetter.java
index a308fd0e..36c0e5eb 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/IdGetter.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/IdGetter.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
public interface IdGetter {
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/JniTest.java b/objectbox-java/src/main/java/io/objectbox/internal/JniTest.java
index 745bfdc1..af6df829 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/JniTest.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/JniTest.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
public class JniTest {
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/NativeLibraryLoader.java b/objectbox-java/src/main/java/io/objectbox/internal/NativeLibraryLoader.java
index 566301bd..39afb44a 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/NativeLibraryLoader.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/NativeLibraryLoader.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
import org.greenrobot.essentials.io.IoUtils;
@@ -9,40 +25,126 @@
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLConnection;
+import io.objectbox.BoxStore;
+
/**
* Separate class, so we can mock BoxStore.
*/
public class NativeLibraryLoader {
+
+ private static final String OBJECTBOX_JNI = "objectbox-jni";
+
static {
- String libname = "objectbox";
- String filename = "objectbox.so";
+ String libname = OBJECTBOX_JNI;
+ String filename = libname + ".so";
+
+ final String vendor = System.getProperty("java.vendor");
+ final String osName = System.getProperty("os.name").toLowerCase();
+
+ // Some Android devices are detected as neither Android or Linux below,
+ // so assume Linux by default to always fallback to Android
+ boolean isLinux = true;
// For Android, os.name is also "Linux", so we need an extra check
- boolean android = System.getProperty("java.vendor").contains("Android");
+ // Is not completely reliable (e.g. Vivo devices), see workaround on load failure
+ // Note: can not use check for Android classes as testing frameworks (Robolectric)
+ // may provide them on non-Android devices
+ final boolean android = vendor.contains("Android");
if (!android) {
- String osName = System.getProperty("os.name");
- String sunArch = System.getProperty("sun.arch.data.model");
- if (osName.contains("Windows")) {
- libname += "-windows" + ("32".equals(sunArch) ? "-x86" : "-x64");
+ String cpuArchPostfix = "-" + getCpuArch();
+ if (osName.contains("windows")) {
+ isLinux = false;
+ libname += "-windows" + cpuArchPostfix;
filename = libname + ".dll";
checkUnpackLib(filename);
- } else if (osName.contains("Linux")) {
- libname += "-linux" + ("32".equals(sunArch) ? "-x86" : "-x64");
+ } else if (osName.contains("linux")) {
+ libname += "-linux" + cpuArchPostfix;
filename = "lib" + libname + ".so";
checkUnpackLib(filename);
+ } else if (osName.contains("mac")) {
+ isLinux = false;
+ libname += "-macos" + cpuArchPostfix;
+ filename = "lib" + libname + ".dylib";
+ checkUnpackLib(filename);
}
}
- File file = new File(filename);
- if (file.exists()) {
- System.load(file.getAbsolutePath());
- } else {
- if (!android) {
- System.err.println("File not available: " + file.getAbsolutePath());
+ try {
+ File file = new File(filename);
+ if (file.exists()) {
+ System.load(file.getAbsolutePath());
+ } else {
+ try {
+ if (android) {
+ boolean success = loadLibraryAndroid();
+ if (!success) {
+ System.loadLibrary(libname);
+ }
+ } else {
+ System.err.println("File not available: " + file.getAbsolutePath());
+ System.loadLibrary(libname);
+ }
+ } catch (UnsatisfiedLinkError e) {
+ if (!android && isLinux) {
+ // maybe is Android, but check failed: try loading Android lib
+ boolean success = loadLibraryAndroid();
+ if (!success) {
+ System.loadLibrary(OBJECTBOX_JNI);
+ }
+ } else {
+ throw e;
+ }
+ }
}
- System.loadLibrary(libname);
+ } catch (UnsatisfiedLinkError e) {
+ String osArch = System.getProperty("os.arch");
+ String sunArch = System.getProperty("sun.arch.data.model");
+ String message = String.format(
+ "Loading ObjectBox native library failed: vendor=%s,os=%s,os.arch=%s,sun.arch=%s,android=%s,linux=%s",
+ vendor, osName, osArch, sunArch, android, isLinux
+ );
+ throw new LinkageError(message, e); // UnsatisfiedLinkError does not allow a cause; use its super class
+ }
+ }
+
+ private static String getCpuArch() {
+ String osArch = System.getProperty("os.arch");
+ String cpuArch = null;
+ if (osArch != null) {
+ osArch = osArch.toLowerCase();
+ if (osArch.equalsIgnoreCase("amd64") || osArch.equalsIgnoreCase("x86_64")) {
+ cpuArch = "x64";
+ } else if (osArch.equalsIgnoreCase("x86")) {
+ cpuArch = "x86";
+ } else if (osArch.startsWith("arm")) {
+ switch (osArch) {
+ case "armv7":
+ case "armv7l":
+ case "armeabi-v7a": // os.arch "armeabi-v7a" might be Android only, but let's try anyway...
+ cpuArch = "armv7";
+ break;
+ case "arm64-v8a":
+ cpuArch = "arm64";
+ break;
+ case "armv6":
+ cpuArch = "armv6";
+ break;
+ default:
+ cpuArch = "armv6"; // Lowest version we support
+ System.err.println("Unknown os.arch \"" + osArch + "\" - ObjectBox is defaulting to " + cpuArch);
+ break;
+ }
+ }
+ }
+ if (cpuArch == null) {
+ String sunArch = System.getProperty("sun.arch.data.model");
+ cpuArch = "32".equals(sunArch) ? "x86" : "x64";
+ System.err.println("Unknown os.arch \"" + osArch + "\" - ObjectBox is defaulting to " + cpuArch);
}
+ return cpuArch;
}
private static void checkUnpackLib(String filename) {
@@ -78,6 +180,39 @@ private static void checkUnpackLib(String filename) {
}
}
+ private static boolean loadLibraryAndroid() {
+ if (BoxStore.getContext() == null) {
+ return false;
+ }
+
+ //noinspection TryWithIdenticalCatches
+ try {
+ Class context = Class.forName("android.content.Context");
+ if (BoxStore.getRelinker() == null) {
+ // use default ReLinker
+ Class relinker = Class.forName("com.getkeepsafe.relinker.ReLinker");
+ Method loadLibrary = relinker.getMethod("loadLibrary", context, String.class, String.class);
+ loadLibrary.invoke(null, BoxStore.getContext(), OBJECTBOX_JNI, BoxStore.JNI_VERSION);
+ } else {
+ // use custom ReLinkerInstance
+ Method loadLibrary = BoxStore.getRelinker().getClass().getMethod("loadLibrary", context, String.class, String.class);
+ loadLibrary.invoke(BoxStore.getRelinker(), BoxStore.getContext(), OBJECTBOX_JNI, BoxStore.JNI_VERSION);
+ }
+ } catch (NoSuchMethodException e) {
+ return false;
+ } catch (IllegalAccessException e) {
+ return false;
+ } catch (InvocationTargetException e) {
+ return false;
+ } catch (ClassNotFoundException e) {
+ return false;
+ }
+ // note: do not catch Exception as it will swallow ReLinker exceptions useful for debugging
+ // note: can't catch ReflectiveOperationException, is K+ (19+) on Android
+
+ return true;
+ }
+
public static void ensureLoaded() {
}
}
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/ObjectBoxThreadPool.java b/objectbox-java/src/main/java/io/objectbox/internal/ObjectBoxThreadPool.java
index 7360e0c3..41b2ccdd 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/ObjectBoxThreadPool.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/ObjectBoxThreadPool.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
import java.util.concurrent.Executors;
@@ -24,7 +40,7 @@ public class ObjectBoxThreadPool extends ThreadPoolExecutor {
private final BoxStore boxStore;
public ObjectBoxThreadPool(BoxStore boxStore) {
- super(0, Integer.MAX_VALUE, 20L, TimeUnit.SECONDS, new SynchronousQueue(),
+ super(0, Integer.MAX_VALUE, 20L, TimeUnit.SECONDS, new SynchronousQueue<>(),
new ObjectBoxThreadFactory());
this.boxStore = boxStore;
}
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/ReflectionCache.java b/objectbox-java/src/main/java/io/objectbox/internal/ReflectionCache.java
index 5a894ee1..3176431c 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/ReflectionCache.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/ReflectionCache.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
import java.lang.reflect.Field;
@@ -16,10 +32,10 @@ public static ReflectionCache getInstance() {
return instance;
}
- private final Map> fields = new HashMap<>();
+ private final Map, Map> fields = new HashMap<>();
@Nonnull
- public synchronized Field getField(Class clazz, String name) {
+ public synchronized Field getField(Class clazz, String name) {
Map fieldsForClass = fields.get(clazz);
if (fieldsForClass == null) {
fieldsForClass = new HashMap<>();
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/ToManyGetter.java b/objectbox-java/src/main/java/io/objectbox/internal/ToManyGetter.java
index bd8eb2f1..8eb29102 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/ToManyGetter.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/ToManyGetter.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
import java.io.Serializable;
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/ToOneGetter.java b/objectbox-java/src/main/java/io/objectbox/internal/ToOneGetter.java
index b59a6d0a..51c70e5c 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/ToOneGetter.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/ToOneGetter.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.internal;
import java.io.Serializable;
diff --git a/objectbox-java/src/main/java/io/objectbox/internal/package-info.java b/objectbox-java/src/main/java/io/objectbox/internal/package-info.java
index eaa96006..b77731f3 100644
--- a/objectbox-java/src/main/java/io/objectbox/internal/package-info.java
+++ b/objectbox-java/src/main/java/io/objectbox/internal/package-info.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
@ParametersAreNonnullByDefault
package io.objectbox.internal;
diff --git a/objectbox-java/src/main/java/io/objectbox/model/EntityFlags.java b/objectbox-java/src/main/java/io/objectbox/model/EntityFlags.java
index 063fb102..d6e8909c 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/EntityFlags.java
+++ b/objectbox-java/src/main/java/io/objectbox/model/EntityFlags.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
package io.objectbox.model;
@@ -12,7 +28,8 @@ private EntityFlags() { }
*/
public static final int USE_NO_ARG_CONSTRUCTOR = 1;
- public static final String[] names = { "USE_NO_ARG_CONSTRUCTOR", };
+ // Private to protect contents from getting modified.
+ private static final String[] names = { "USE_NO_ARG_CONSTRUCTOR", };
public static String name(int e) { return names[e - USE_NO_ARG_CONSTRUCTOR]; }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/model/IdUid.java b/objectbox-java/src/main/java/io/objectbox/model/IdUid.java
index 82d4ba62..9882f3b4 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/IdUid.java
+++ b/objectbox-java/src/main/java/io/objectbox/model/IdUid.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
package io.objectbox.model;
@@ -12,7 +28,7 @@
* ID tuple: besides the main ID there is also a UID for verification
*/
public final class IdUid extends Struct {
- public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+ public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
public IdUid __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
public long id() { return (long)bb.getInt(bb_pos + 0) & 0xFFFFFFFFL; }
@@ -29,5 +45,12 @@ public static int createIdUid(FlatBufferBuilder builder, long id, long uid) {
builder.putInt((int)id);
return builder.offset();
}
+
+ public static final class Vector extends BaseVector {
+ public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+ public IdUid get(int j) { return get(new IdUid(), j); }
+ public IdUid get(IdUid obj, int j) { return obj.__assign(__element(j), bb); }
+ }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/model/Model.java b/objectbox-java/src/main/java/io/objectbox/model/Model.java
index c847b831..57e258fe 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/Model.java
+++ b/objectbox-java/src/main/java/io/objectbox/model/Model.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
package io.objectbox.model;
@@ -15,9 +31,10 @@
* There could be multiple models/schemas (one dbi per schema) in the future.
*/
public final class Model extends Table {
+ public static void ValidateVersion() { Constants.FLATBUFFERS_1_12_0(); }
public static Model getRootAsModel(ByteBuffer _bb) { return getRootAsModel(_bb, new Model()); }
public static Model getRootAsModel(ByteBuffer _bb, Model obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
- public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+ public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
public Model __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
/**
@@ -29,23 +46,26 @@ public final class Model extends Table {
*/
public String name() { int o = __offset(6); return o != 0 ? __string(o + bb_pos) : null; }
public ByteBuffer nameAsByteBuffer() { return __vector_as_bytebuffer(6, 1); }
+ public ByteBuffer nameInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 6, 1); }
/**
* User controlled version, not really used at the moment
*/
public long version() { int o = __offset(8); return o != 0 ? bb.getLong(o + bb_pos) : 0L; }
- public ModelEntity entities(int j) { return entities(new ModelEntity(), j); }
- public ModelEntity entities(ModelEntity obj, int j) { int o = __offset(10); return o != 0 ? obj.__assign(__indirect(__vector(o) + j * 4), bb) : null; }
+ public io.objectbox.model.ModelEntity entities(int j) { return entities(new io.objectbox.model.ModelEntity(), j); }
+ public io.objectbox.model.ModelEntity entities(io.objectbox.model.ModelEntity obj, int j) { int o = __offset(10); return o != 0 ? obj.__assign(__indirect(__vector(o) + j * 4), bb) : null; }
public int entitiesLength() { int o = __offset(10); return o != 0 ? __vector_len(o) : 0; }
- public IdUid lastEntityId() { return lastEntityId(new IdUid()); }
- public IdUid lastEntityId(IdUid obj) { int o = __offset(12); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
- public IdUid lastIndexId() { return lastIndexId(new IdUid()); }
- public IdUid lastIndexId(IdUid obj) { int o = __offset(14); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
- public IdUid lastSequenceId() { return lastSequenceId(new IdUid()); }
- public IdUid lastSequenceId(IdUid obj) { int o = __offset(16); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
- public IdUid lastRelationId() { return lastRelationId(new IdUid()); }
- public IdUid lastRelationId(IdUid obj) { int o = __offset(18); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.ModelEntity.Vector entitiesVector() { return entitiesVector(new io.objectbox.model.ModelEntity.Vector()); }
+ public io.objectbox.model.ModelEntity.Vector entitiesVector(io.objectbox.model.ModelEntity.Vector obj) { int o = __offset(10); return o != 0 ? obj.__assign(__vector(o), 4, bb) : null; }
+ public io.objectbox.model.IdUid lastEntityId() { return lastEntityId(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid lastEntityId(io.objectbox.model.IdUid obj) { int o = __offset(12); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.IdUid lastIndexId() { return lastIndexId(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid lastIndexId(io.objectbox.model.IdUid obj) { int o = __offset(14); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.IdUid lastSequenceId() { return lastSequenceId(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid lastSequenceId(io.objectbox.model.IdUid obj) { int o = __offset(16); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.IdUid lastRelationId() { return lastRelationId(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid lastRelationId(io.objectbox.model.IdUid obj) { int o = __offset(18); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
- public static void startModel(FlatBufferBuilder builder) { builder.startObject(8); }
+ public static void startModel(FlatBufferBuilder builder) { builder.startTable(8); }
public static void addModelVersion(FlatBufferBuilder builder, long modelVersion) { builder.addInt(0, (int)modelVersion, (int)0L); }
public static void addName(FlatBufferBuilder builder, int nameOffset) { builder.addOffset(1, nameOffset, 0); }
public static void addVersion(FlatBufferBuilder builder, long version) { builder.addLong(2, version, 0L); }
@@ -57,9 +77,17 @@ public final class Model extends Table {
public static void addLastSequenceId(FlatBufferBuilder builder, int lastSequenceIdOffset) { builder.addStruct(6, lastSequenceIdOffset, 0); }
public static void addLastRelationId(FlatBufferBuilder builder, int lastRelationIdOffset) { builder.addStruct(7, lastRelationIdOffset, 0); }
public static int endModel(FlatBufferBuilder builder) {
- int o = builder.endObject();
+ int o = builder.endTable();
return o;
}
public static void finishModelBuffer(FlatBufferBuilder builder, int offset) { builder.finish(offset); }
+ public static void finishSizePrefixedModelBuffer(FlatBufferBuilder builder, int offset) { builder.finishSizePrefixed(offset); }
+
+ public static final class Vector extends BaseVector {
+ public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+ public Model get(int j) { return get(new Model(), j); }
+ public Model get(Model obj, int j) { return obj.__assign(__indirect(__element(j), bb), bb); }
+ }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/model/ModelEntity.java b/objectbox-java/src/main/java/io/objectbox/model/ModelEntity.java
index 3516088f..b2e4e2d1 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/ModelEntity.java
+++ b/objectbox-java/src/main/java/io/objectbox/model/ModelEntity.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
package io.objectbox.model;
@@ -9,29 +25,41 @@
@SuppressWarnings("unused")
public final class ModelEntity extends Table {
+ public static void ValidateVersion() { Constants.FLATBUFFERS_1_12_0(); }
public static ModelEntity getRootAsModelEntity(ByteBuffer _bb) { return getRootAsModelEntity(_bb, new ModelEntity()); }
public static ModelEntity getRootAsModelEntity(ByteBuffer _bb, ModelEntity obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
- public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+ public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
public ModelEntity __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
- public IdUid id() { return id(new IdUid()); }
- public IdUid id(IdUid obj) { int o = __offset(4); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.IdUid id() { return id(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid id(io.objectbox.model.IdUid obj) { int o = __offset(4); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
public String name() { int o = __offset(6); return o != 0 ? __string(o + bb_pos) : null; }
public ByteBuffer nameAsByteBuffer() { return __vector_as_bytebuffer(6, 1); }
- public ModelProperty properties(int j) { return properties(new ModelProperty(), j); }
- public ModelProperty properties(ModelProperty obj, int j) { int o = __offset(8); return o != 0 ? obj.__assign(__indirect(__vector(o) + j * 4), bb) : null; }
+ public ByteBuffer nameInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 6, 1); }
+ public io.objectbox.model.ModelProperty properties(int j) { return properties(new io.objectbox.model.ModelProperty(), j); }
+ public io.objectbox.model.ModelProperty properties(io.objectbox.model.ModelProperty obj, int j) { int o = __offset(8); return o != 0 ? obj.__assign(__indirect(__vector(o) + j * 4), bb) : null; }
public int propertiesLength() { int o = __offset(8); return o != 0 ? __vector_len(o) : 0; }
- public IdUid lastPropertyId() { return lastPropertyId(new IdUid()); }
- public IdUid lastPropertyId(IdUid obj) { int o = __offset(10); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
- public ModelRelation relations(int j) { return relations(new ModelRelation(), j); }
- public ModelRelation relations(ModelRelation obj, int j) { int o = __offset(12); return o != 0 ? obj.__assign(__indirect(__vector(o) + j * 4), bb) : null; }
+ public io.objectbox.model.ModelProperty.Vector propertiesVector() { return propertiesVector(new io.objectbox.model.ModelProperty.Vector()); }
+ public io.objectbox.model.ModelProperty.Vector propertiesVector(io.objectbox.model.ModelProperty.Vector obj) { int o = __offset(8); return o != 0 ? obj.__assign(__vector(o), 4, bb) : null; }
+ public io.objectbox.model.IdUid lastPropertyId() { return lastPropertyId(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid lastPropertyId(io.objectbox.model.IdUid obj) { int o = __offset(10); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.ModelRelation relations(int j) { return relations(new io.objectbox.model.ModelRelation(), j); }
+ public io.objectbox.model.ModelRelation relations(io.objectbox.model.ModelRelation obj, int j) { int o = __offset(12); return o != 0 ? obj.__assign(__indirect(__vector(o) + j * 4), bb) : null; }
public int relationsLength() { int o = __offset(12); return o != 0 ? __vector_len(o) : 0; }
+ public io.objectbox.model.ModelRelation.Vector relationsVector() { return relationsVector(new io.objectbox.model.ModelRelation.Vector()); }
+ public io.objectbox.model.ModelRelation.Vector relationsVector(io.objectbox.model.ModelRelation.Vector obj) { int o = __offset(12); return o != 0 ? obj.__assign(__vector(o), 4, bb) : null; }
/**
* Can be language specific, e.g. if no-args constructor should be used
*/
public long flags() { int o = __offset(14); return o != 0 ? (long)bb.getInt(o + bb_pos) & 0xFFFFFFFFL : 0L; }
+ /**
+ * Secondary name ignored by core; e.g. may reference a binding specific name (e.g. Java class)
+ */
+ public String nameSecondary() { int o = __offset(16); return o != 0 ? __string(o + bb_pos) : null; }
+ public ByteBuffer nameSecondaryAsByteBuffer() { return __vector_as_bytebuffer(16, 1); }
+ public ByteBuffer nameSecondaryInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 16, 1); }
- public static void startModelEntity(FlatBufferBuilder builder) { builder.startObject(6); }
+ public static void startModelEntity(FlatBufferBuilder builder) { builder.startTable(7); }
public static void addId(FlatBufferBuilder builder, int idOffset) { builder.addStruct(0, idOffset, 0); }
public static void addName(FlatBufferBuilder builder, int nameOffset) { builder.addOffset(1, nameOffset, 0); }
public static void addProperties(FlatBufferBuilder builder, int propertiesOffset) { builder.addOffset(2, propertiesOffset, 0); }
@@ -42,9 +70,17 @@ public final class ModelEntity extends Table {
public static int createRelationsVector(FlatBufferBuilder builder, int[] data) { builder.startVector(4, data.length, 4); for (int i = data.length - 1; i >= 0; i--) builder.addOffset(data[i]); return builder.endVector(); }
public static void startRelationsVector(FlatBufferBuilder builder, int numElems) { builder.startVector(4, numElems, 4); }
public static void addFlags(FlatBufferBuilder builder, long flags) { builder.addInt(5, (int)flags, (int)0L); }
+ public static void addNameSecondary(FlatBufferBuilder builder, int nameSecondaryOffset) { builder.addOffset(6, nameSecondaryOffset, 0); }
public static int endModelEntity(FlatBufferBuilder builder) {
- int o = builder.endObject();
+ int o = builder.endTable();
return o;
}
+
+ public static final class Vector extends BaseVector {
+ public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+ public ModelEntity get(int j) { return get(new ModelEntity(), j); }
+ public ModelEntity get(ModelEntity obj, int j) { return obj.__assign(__indirect(__element(j), bb), bb); }
+ }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/model/ModelProperty.java b/objectbox-java/src/main/java/io/objectbox/model/ModelProperty.java
index 5b74b58a..64c5edb4 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/ModelProperty.java
+++ b/objectbox-java/src/main/java/io/objectbox/model/ModelProperty.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
package io.objectbox.model;
@@ -9,34 +25,48 @@
@SuppressWarnings("unused")
public final class ModelProperty extends Table {
+ public static void ValidateVersion() { Constants.FLATBUFFERS_1_12_0(); }
public static ModelProperty getRootAsModelProperty(ByteBuffer _bb) { return getRootAsModelProperty(_bb, new ModelProperty()); }
public static ModelProperty getRootAsModelProperty(ByteBuffer _bb, ModelProperty obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
- public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+ public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
public ModelProperty __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
- public IdUid id() { return id(new IdUid()); }
- public IdUid id(IdUid obj) { int o = __offset(4); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.IdUid id() { return id(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid id(io.objectbox.model.IdUid obj) { int o = __offset(4); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
public String name() { int o = __offset(6); return o != 0 ? __string(o + bb_pos) : null; }
public ByteBuffer nameAsByteBuffer() { return __vector_as_bytebuffer(6, 1); }
+ public ByteBuffer nameInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 6, 1); }
public int type() { int o = __offset(8); return o != 0 ? bb.getShort(o + bb_pos) & 0xFFFF : 0; }
/**
* bit flags: e.g. indexed, not-nullable
*/
public long flags() { int o = __offset(10); return o != 0 ? (long)bb.getInt(o + bb_pos) & 0xFFFFFFFFL : 0L; }
- public IdUid indexId() { return indexId(new IdUid()); }
- public IdUid indexId(IdUid obj) { int o = __offset(12); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.IdUid indexId() { return indexId(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid indexId(io.objectbox.model.IdUid obj) { int o = __offset(12); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
/**
* For relations only: name of the target entity
*/
public String targetEntity() { int o = __offset(14); return o != 0 ? __string(o + bb_pos) : null; }
public ByteBuffer targetEntityAsByteBuffer() { return __vector_as_bytebuffer(14, 1); }
+ public ByteBuffer targetEntityInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 14, 1); }
/**
* E.g. for virtual to-one target ID properties, this references the ToOne object
*/
public String virtualTarget() { int o = __offset(16); return o != 0 ? __string(o + bb_pos) : null; }
public ByteBuffer virtualTargetAsByteBuffer() { return __vector_as_bytebuffer(16, 1); }
+ public ByteBuffer virtualTargetInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 16, 1); }
+ /**
+ * Secondary name ignored by core; e.g. may reference a binding specific name (e.g. Java property)
+ */
+ public String nameSecondary() { int o = __offset(18); return o != 0 ? __string(o + bb_pos) : null; }
+ public ByteBuffer nameSecondaryAsByteBuffer() { return __vector_as_bytebuffer(18, 1); }
+ public ByteBuffer nameSecondaryInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 18, 1); }
+ /**
+ * For value-based indexes, this defines the maximum length of the value stored for indexing
+ */
+ public long maxIndexValueLength() { int o = __offset(20); return o != 0 ? (long)bb.getInt(o + bb_pos) & 0xFFFFFFFFL : 0L; }
- public static void startModelProperty(FlatBufferBuilder builder) { builder.startObject(7); }
+ public static void startModelProperty(FlatBufferBuilder builder) { builder.startTable(9); }
public static void addId(FlatBufferBuilder builder, int idOffset) { builder.addStruct(0, idOffset, 0); }
public static void addName(FlatBufferBuilder builder, int nameOffset) { builder.addOffset(1, nameOffset, 0); }
public static void addType(FlatBufferBuilder builder, int type) { builder.addShort(2, (short)type, (short)0); }
@@ -44,9 +74,18 @@ public final class ModelProperty extends Table {
public static void addIndexId(FlatBufferBuilder builder, int indexIdOffset) { builder.addStruct(4, indexIdOffset, 0); }
public static void addTargetEntity(FlatBufferBuilder builder, int targetEntityOffset) { builder.addOffset(5, targetEntityOffset, 0); }
public static void addVirtualTarget(FlatBufferBuilder builder, int virtualTargetOffset) { builder.addOffset(6, virtualTargetOffset, 0); }
+ public static void addNameSecondary(FlatBufferBuilder builder, int nameSecondaryOffset) { builder.addOffset(7, nameSecondaryOffset, 0); }
+ public static void addMaxIndexValueLength(FlatBufferBuilder builder, long maxIndexValueLength) { builder.addInt(8, (int)maxIndexValueLength, (int)0L); }
public static int endModelProperty(FlatBufferBuilder builder) {
- int o = builder.endObject();
+ int o = builder.endTable();
return o;
}
+
+ public static final class Vector extends BaseVector {
+ public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+ public ModelProperty get(int j) { return get(new ModelProperty(), j); }
+ public ModelProperty get(ModelProperty obj, int j) { return obj.__assign(__indirect(__element(j), bb), bb); }
+ }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/model/ModelRelation.java b/objectbox-java/src/main/java/io/objectbox/model/ModelRelation.java
index fc4133ca..3c03a82a 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/ModelRelation.java
+++ b/objectbox-java/src/main/java/io/objectbox/model/ModelRelation.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
package io.objectbox.model;
@@ -9,25 +25,34 @@
@SuppressWarnings("unused")
public final class ModelRelation extends Table {
+ public static void ValidateVersion() { Constants.FLATBUFFERS_1_12_0(); }
public static ModelRelation getRootAsModelRelation(ByteBuffer _bb) { return getRootAsModelRelation(_bb, new ModelRelation()); }
public static ModelRelation getRootAsModelRelation(ByteBuffer _bb, ModelRelation obj) { _bb.order(ByteOrder.LITTLE_ENDIAN); return (obj.__assign(_bb.getInt(_bb.position()) + _bb.position(), _bb)); }
- public void __init(int _i, ByteBuffer _bb) { bb_pos = _i; bb = _bb; }
+ public void __init(int _i, ByteBuffer _bb) { __reset(_i, _bb); }
public ModelRelation __assign(int _i, ByteBuffer _bb) { __init(_i, _bb); return this; }
- public IdUid id() { return id(new IdUid()); }
- public IdUid id(IdUid obj) { int o = __offset(4); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public io.objectbox.model.IdUid id() { return id(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid id(io.objectbox.model.IdUid obj) { int o = __offset(4); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
public String name() { int o = __offset(6); return o != 0 ? __string(o + bb_pos) : null; }
public ByteBuffer nameAsByteBuffer() { return __vector_as_bytebuffer(6, 1); }
- public IdUid targetEntityId() { return targetEntityId(new IdUid()); }
- public IdUid targetEntityId(IdUid obj) { int o = __offset(8); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
+ public ByteBuffer nameInByteBuffer(ByteBuffer _bb) { return __vector_in_bytebuffer(_bb, 6, 1); }
+ public io.objectbox.model.IdUid targetEntityId() { return targetEntityId(new io.objectbox.model.IdUid()); }
+ public io.objectbox.model.IdUid targetEntityId(io.objectbox.model.IdUid obj) { int o = __offset(8); return o != 0 ? obj.__assign(o + bb_pos, bb) : null; }
- public static void startModelRelation(FlatBufferBuilder builder) { builder.startObject(3); }
+ public static void startModelRelation(FlatBufferBuilder builder) { builder.startTable(3); }
public static void addId(FlatBufferBuilder builder, int idOffset) { builder.addStruct(0, idOffset, 0); }
public static void addName(FlatBufferBuilder builder, int nameOffset) { builder.addOffset(1, nameOffset, 0); }
public static void addTargetEntityId(FlatBufferBuilder builder, int targetEntityIdOffset) { builder.addStruct(2, targetEntityIdOffset, 0); }
public static int endModelRelation(FlatBufferBuilder builder) {
- int o = builder.endObject();
+ int o = builder.endTable();
return o;
}
+
+ public static final class Vector extends BaseVector {
+ public Vector __assign(int _vector, int _element_size, ByteBuffer _bb) { __reset(_vector, _element_size, _bb); return this; }
+
+ public ModelRelation get(int j) { return get(new ModelRelation(), j); }
+ public ModelRelation get(ModelRelation obj, int j) { return obj.__assign(__indirect(__element(j), bb), bb); }
+ }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/model/PropertyFlags.java b/objectbox-java/src/main/java/io/objectbox/model/PropertyFlags.java
index f3d0e583..ab93b578 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/PropertyFlags.java
+++ b/objectbox-java/src/main/java/io/objectbox/model/PropertyFlags.java
@@ -1,14 +1,32 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
package io.objectbox.model;
/**
- * Not really an enum, but binary flags to use across languages
+ * Bit-flags defining the behavior of properties.
+ * Note: Numbers indicate the bit position
*/
public final class PropertyFlags {
private PropertyFlags() { }
/**
- * One long property on an entity must be the ID
+ * 64 bit long property (internally unsigned) representing the ID of the entity.
+ * May be combined with: NON_PRIMITIVE_TYPE, ID_MONOTONIC_SEQUENCE, ID_SELF_ASSIGNABLE.
*/
public static final int ID = 1;
/**
@@ -25,7 +43,7 @@ private PropertyFlags() { }
*/
public static final int RESERVED = 16;
/**
- * Unused yet: Unique index
+ * Unique index
*/
public static final int UNIQUE = 32;
/**
@@ -41,12 +59,39 @@ private PropertyFlags() { }
*/
public static final int INDEX_PARTIAL_SKIP_NULL = 256;
/**
- * Unused yet, used by References for 1) back-references and 2) to clear references to deleted objects (required for ID reuse)
+ * Unused yet in user land.
+ * Used internally by relations for 1) backlinks and 2) to clear references to deleted objects (required for ID reuse).
*/
public static final int INDEX_PARTIAL_SKIP_ZERO = 512;
/**
* Virtual properties may not have a dedicated field in their entity class, e.g. target IDs of to-one relations
*/
public static final int VIRTUAL = 1024;
+ /**
+ * Index uses a 32 bit hash instead of the value. 32 bit is the default hash size because:
+ * they take less disk space, run well on 32 bit systems, and also run quite well on 64 bit systems
+ * (especially for small to medium sized values).
+ * and should be OK even with a few collisions.
+ */
+ public static final int INDEX_HASH = 2048;
+ /**
+ * Index uses a 64 bit hash instead of the value.
+ * Recommended mostly for 64 bit machines with values longer than 200 bytes;
+ * small values are faster with a 32 bit hash even on 64 bit machines.
+ */
+ public static final int INDEX_HASH64 = 4096;
+ /**
+ * Unused yet: While our default are signed ints, queries and indexes need do know signing info.
+ * Note: Don't combine with ID (IDs are always unsigned internally).
+ */
+ public static final int UNSIGNED = 8192;
+ /**
+ * By defining an ID companion property, the entity type uses a special ID encoding scheme involving this property
+ * in addition to the ID.
+ *
+ * For Time Series IDs, a companion property of type Date or DateNano represents the exact timestamp.
+ * (Future idea: string hash IDs, with a String companion property to store the full string ID).
+ */
+ public static final int ID_COMPANION = 16384;
}
diff --git a/objectbox-java/src/main/java/io/objectbox/model/PropertyType.java b/objectbox-java/src/main/java/io/objectbox/model/PropertyType.java
index e407b247..1b1ffc1c 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/PropertyType.java
+++ b/objectbox-java/src/main/java/io/objectbox/model/PropertyType.java
@@ -1,7 +1,26 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
package io.objectbox.model;
+/**
+ * Basic type of a property
+ */
public final class PropertyType {
private PropertyType() { }
/**
@@ -18,14 +37,17 @@ private PropertyType() { }
public static final short Double = 8;
public static final short String = 9;
/**
- * Internally stored as a 64 bit long(?)
+ * Date/time stored as a 64 bit long representing milliseconds since 1970-01-01 (unix epoch)
*/
public static final short Date = 10;
/**
* Relation to another entity
*/
public static final short Relation = 11;
- public static final short Reserved1 = 12;
+ /**
+ * High precision date/time stored as a 64 bit long representing nanoseconds since 1970-01-01 (unix epoch)
+ */
+ public static final short DateNano = 12;
public static final short Reserved2 = 13;
public static final short Reserved3 = 14;
public static final short Reserved4 = 15;
@@ -45,8 +67,10 @@ private PropertyType() { }
public static final short DoubleVector = 29;
public static final short StringVector = 30;
public static final short DateVector = 31;
+ public static final short DateNanoVector = 32;
- public static final String[] names = { "Unknown", "Bool", "Byte", "Short", "Char", "Int", "Long", "Float", "Double", "String", "Date", "Relation", "Reserved1", "Reserved2", "Reserved3", "Reserved4", "Reserved5", "Reserved6", "Reserved7", "Reserved8", "Reserved9", "Reserved10", "BoolVector", "ByteVector", "ShortVector", "CharVector", "IntVector", "LongVector", "FloatVector", "DoubleVector", "StringVector", "DateVector", };
+ // Private to protect contents from getting modified.
+ private static final String[] names = { "Unknown", "Bool", "Byte", "Short", "Char", "Int", "Long", "Float", "Double", "String", "Date", "Relation", "DateNano", "Reserved2", "Reserved3", "Reserved4", "Reserved5", "Reserved6", "Reserved7", "Reserved8", "Reserved9", "Reserved10", "BoolVector", "ByteVector", "ShortVector", "CharVector", "IntVector", "LongVector", "FloatVector", "DoubleVector", "StringVector", "DateVector", "DateNanoVector", };
public static String name(int e) { return names[e]; }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/package-info.java b/objectbox-java/src/main/java/io/objectbox/package-info.java
index 875735ba..4e084547 100644
--- a/objectbox-java/src/main/java/io/objectbox/package-info.java
+++ b/objectbox-java/src/main/java/io/objectbox/package-info.java
@@ -14,6 +14,20 @@
* limitations under the License.
*/
+/**
+ * ObjectBox is an an easy to use, object-oriented lightweight database and a full alternative to SQLite.
+ *
+ * The following core classes are the essential interface to ObjectBox:
+ *
+ * - MyObjectBox: Generated by the Gradle plugin, supplies a {@link io.objectbox.BoxStoreBuilder}
+ * to build a BoxStore for your app.
+ * - {@link io.objectbox.BoxStore}: The database interface, allows to manage Boxes.
+ * - {@link io.objectbox.Box}: Persists and queries for entities, there is one for each entity.
+ *
+ *
+ * For more details look at the documentation of individual classes and
+ * docs.objectbox.io.
+ */
@ParametersAreNonnullByDefault
package io.objectbox;
diff --git a/objectbox-java/src/main/java/io/objectbox/query/BreakForEach.java b/objectbox-java/src/main/java/io/objectbox/query/BreakForEach.java
index 8876d077..343bc795 100644
--- a/objectbox-java/src/main/java/io/objectbox/query/BreakForEach.java
+++ b/objectbox-java/src/main/java/io/objectbox/query/BreakForEach.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.query;
/**
diff --git a/objectbox-java/src/main/java/io/objectbox/query/EagerRelation.java b/objectbox-java/src/main/java/io/objectbox/query/EagerRelation.java
index 57669e7c..63ad47ba 100644
--- a/objectbox-java/src/main/java/io/objectbox/query/EagerRelation.java
+++ b/objectbox-java/src/main/java/io/objectbox/query/EagerRelation.java
@@ -1,12 +1,28 @@
+/*
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.query;
import io.objectbox.relation.RelationInfo;
-class EagerRelation {
+class EagerRelation {
public final int limit;
- public final RelationInfo relationInfo;
+ public final RelationInfo relationInfo;
- EagerRelation(int limit, RelationInfo relationInfo) {
+ EagerRelation(int limit, RelationInfo relationInfo) {
this.limit = limit;
this.relationInfo = relationInfo;
}
diff --git a/objectbox-java/src/main/java/io/objectbox/query/LazyList.java b/objectbox-java/src/main/java/io/objectbox/query/LazyList.java
index 160a3bf2..c1ba765e 100644
--- a/objectbox-java/src/main/java/io/objectbox/query/LazyList.java
+++ b/objectbox-java/src/main/java/io/objectbox/query/LazyList.java
@@ -1,11 +1,11 @@
/*
- * Copyright (C) 2011-2017 Markus Junginger
+ * Copyright 2017 ObjectBox Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
@@ -136,12 +136,10 @@ public void loadRemaining() {
if (loadedCount != size) {
checkCached();
// use single reader only for efficiency
- box.getStore().runInReadTx(new Runnable() {
- @Override
- public void run() {
- for (int i = 0; i < size; i++) {
- get(i);
- }
+ box.getStore().runInReadTx(() -> {
+ for (int i = 0; i < size; i++) {
+ //noinspection ResultOfMethodCallIgnored
+ get(i);
}
});
}
diff --git a/objectbox-java/src/main/java/io/objectbox/model/OrderFlags.java b/objectbox-java/src/main/java/io/objectbox/query/OrderFlags.java
similarity index 54%
rename from objectbox-java/src/main/java/io/objectbox/model/OrderFlags.java
rename to objectbox-java/src/main/java/io/objectbox/query/OrderFlags.java
index 5280c7aa..1d8fc38d 100644
--- a/objectbox-java/src/main/java/io/objectbox/model/OrderFlags.java
+++ b/objectbox-java/src/main/java/io/objectbox/query/OrderFlags.java
@@ -1,6 +1,22 @@
+/*
+ * Copyright 2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
// automatically generated by the FlatBuffers compiler, do not modify
-package io.objectbox.model;
+package io.objectbox.query;
/**
* Not really an enum, but binary flags to use across languages
@@ -30,7 +46,8 @@ private OrderFlags() { }
*/
public static final int NULLS_ZERO = 16;
- public static final String[] names = { "DESCENDING", "CASE_SENSITIVE", "", "UNSIGNED", "", "", "", "NULLS_LAST", "", "", "", "", "", "", "", "NULLS_ZERO", };
+ // Private to protect contents from getting modified.
+ private static final String[] names = { "DESCENDING", "CASE_SENSITIVE", "", "UNSIGNED", "", "", "", "NULLS_LAST", "", "", "", "", "", "", "", "NULLS_ZERO", };
public static String name(int e) { return names[e - DESCENDING]; }
}
diff --git a/objectbox-java/src/main/java/io/objectbox/query/PropertyQuery.java b/objectbox-java/src/main/java/io/objectbox/query/PropertyQuery.java
new file mode 100644
index 00000000..9ddc5100
--- /dev/null
+++ b/objectbox-java/src/main/java/io/objectbox/query/PropertyQuery.java
@@ -0,0 +1,459 @@
+/*
+ * Copyright 2017-2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.objectbox.query;
+
+
+import io.objectbox.Property;
+
+/**
+ * Query for a specific property; create using {@link Query#property(Property)}.
+ * Note: Property values do currently not consider any order defined for the main {@link Query} object
+ * (subject to change in a future version).
+ */
+@SuppressWarnings("WeakerAccess") // WeakerAccess: allow inner class access without accessor
+public class PropertyQuery {
+ final Query query;
+ final long queryHandle;
+ final Property property;
+ final int propertyId;
+
+ boolean distinct;
+ boolean noCaseIfDistinct = true;
+ boolean enableNull;
+ boolean unique;
+
+ double nullValueDouble;
+ float nullValueFloat;
+ String nullValueString;
+ long nullValueLong;
+
+ PropertyQuery(Query query, Property property) {
+ this.query = query;
+ queryHandle = query.handle;
+ this.property = property;
+ propertyId = property.id;
+ }
+
+ native String[] nativeFindStrings(long handle, long cursorHandle, int propertyId, boolean distinct,
+ boolean distinctNoCase, boolean enableNull, String nullValue);
+
+ native long[] nativeFindLongs(long handle, long cursorHandle, int propertyId, boolean distinct, boolean enableNull,
+ long nullValue);
+
+ native int[] nativeFindInts(long handle, long cursorHandle, int propertyId, boolean distinct, boolean enableNull,
+ int nullValue);
+
+ native short[] nativeFindShorts(long handle, long cursorHandle, int propertyId, boolean distinct,
+ boolean enableNull, short nullValue);
+
+ native char[] nativeFindChars(long handle, long cursorHandle, int propertyId, boolean distinct, boolean enableNull,
+ char nullValue);
+
+ native byte[] nativeFindBytes(long handle, long cursorHandle, int propertyId, boolean distinct, boolean enableNull,
+ byte nullValue);
+
+ native float[] nativeFindFloats(long handle, long cursorHandle, int propertyId, boolean distinct,
+ boolean enableNull, float nullValue);
+
+ native double[] nativeFindDoubles(long handle, long cursorHandle, int propertyId, boolean distinct,
+ boolean enableNull, double nullValue);
+
+ native Object nativeFindNumber(long handle, long cursorHandle, int propertyId, boolean unique, boolean distinct,
+ boolean enableNull, long nullValue, float nullValueFloat, double nullValueDouble);
+
+ native String nativeFindString(long handle, long cursorHandle, int propertyId, boolean unique, boolean distinct,
+ boolean distinctCase, boolean enableNull, String nullValue);
+
+ native long nativeSum(long handle, long cursorHandle, int propertyId);
+
+ native double nativeSumDouble(long handle, long cursorHandle, int propertyId);
+
+ native long nativeMax(long handle, long cursorHandle, int propertyId);
+
+ native double nativeMaxDouble(long handle, long cursorHandle, int propertyId);
+
+ native long nativeMin(long handle, long cursorHandle, int propertyId);
+
+ native double nativeMinDouble(long handle, long cursorHandle, int propertyId);
+
+ native double nativeAvg(long handle, long cursorHandle, int propertyId);
+
+ native long nativeAvgLong(long handle, long cursorHandle, int propertyId);
+
+ native long nativeCount(long handle, long cursorHandle, int propertyId, boolean distinct);
+
+ /** Clears all values (e.g. distinct and null value). */
+ public PropertyQuery reset() {
+ distinct = false;
+ noCaseIfDistinct = true;
+ unique = false;
+ enableNull = false;
+ nullValueDouble = 0;
+ nullValueFloat = 0;
+ nullValueString = null;
+ nullValueLong = 0;
+ return this;
+ }
+
+ /**
+ * Only distinct values should be returned (e.g. 1,2,3 instead of 1,1,2,3,3,3).
+ *
+ * Note: strings default to case-insensitive comparision;
+ * to change that call {@link #distinct(QueryBuilder.StringOrder)}.
+ */
+ public PropertyQuery distinct() {
+ distinct = true;
+ return this;
+ }
+
+ /**
+ * For string properties you can specify {@link io.objectbox.query.QueryBuilder.StringOrder#CASE_SENSITIVE} if you
+ * want to have case sensitive distinct values (e.g. returning "foo","Foo","FOO" instead of "foo").
+ */
+ public PropertyQuery distinct(QueryBuilder.StringOrder stringOrder) {
+ if (property.type != String.class) {
+ throw new RuntimeException("Reserved for string properties, but got " + property);
+ }
+ distinct = true;
+ noCaseIfDistinct = stringOrder == QueryBuilder.StringOrder.CASE_INSENSITIVE;
+ return this;
+ }
+
+ /**
+ * For find methods returning single values, e.g. {@link #findInt()}, this will additional verify that the
+ * resulting value is unique.
+ * If there is any other resulting value resulting from this query, an exception will be thrown.
+ *
+ * Can be combined with {@link #distinct()}.
+ *
+ * Will be ignored for find methods returning multiple values, e.g. {@link #findInts()}.
+ */
+ public PropertyQuery unique() {
+ unique = true;
+ return this;
+ }
+
+ /**
+ * By default, null values are not returned by find methods (primitive arrays cannot contains nulls).
+ * However, using this function, you can define an alternative value that will be returned for null values.
+ * E.g. -1 for ins/longs or "NULL" for strings.
+ */
+ public PropertyQuery nullValue(Object nullValue) {
+ //noinspection ConstantConditions Annotation can not enforce non-null.
+ if (nullValue == null) {
+ throw new IllegalArgumentException("Null values are not allowed");
+ }
+ boolean isString = nullValue instanceof String;
+ boolean isNumber = nullValue instanceof Number;
+ if (!isString && !isNumber) {
+ throw new IllegalArgumentException("Unsupported value class: " + nullValue.getClass());
+ }
+
+ enableNull = true;
+ nullValueString = isString ? (String) nullValue : null;
+ boolean isFloat = nullValue instanceof Float;
+ nullValueFloat = isFloat ? (Float) nullValue : 0;
+ boolean isDouble = nullValue instanceof Double;
+ nullValueDouble = isDouble ? (Double) nullValue : 0;
+ nullValueLong = isNumber && !isFloat && !isDouble ? ((Number) nullValue).longValue() : 0;
+ return this;
+ }
+
+ /**
+ * Find the values for the given string property for objects matching the query.
+ *
+ * Note: null values are excluded from results.
+ *
+ * Note: results are not guaranteed to be in any particular order.
+ *
+ * See also: {@link #distinct()}, {@link #distinct(QueryBuilder.StringOrder)}
+ *
+ * @return Found strings
+ */
+ public String[] findStrings() {
+ return query.callInReadTx(() -> {
+ boolean distinctNoCase = distinct && noCaseIfDistinct;
+ long cursorHandle = query.cursorHandle();
+ return nativeFindStrings(queryHandle, cursorHandle, propertyId, distinct, distinctNoCase,
+ enableNull, nullValueString);
+ });
+ }
+
+ /**
+ * Find the values for the given long property for objects matching the query.
+ *
+ * Note: null values are excluded from results.
+ *
+ * Note: results are not guaranteed to be in any particular order.
+ *
+ * See also: {@link #distinct()}
+ *
+ * @return Found longs
+ */
+ public long[] findLongs() {
+ return query.callInReadTx(() ->
+ nativeFindLongs(queryHandle, query.cursorHandle(), propertyId, distinct, enableNull, nullValueLong)
+ );
+ }
+
+ /**
+ * Find the values for the given int property for objects matching the query.
+ *
+ * Note: null values are excluded from results.
+ *
+ * Note: results are not guaranteed to be in any particular order.
+ *
+ * See also: {@link #distinct()}
+ */
+ public int[] findInts() {
+ return query.callInReadTx(() ->
+ nativeFindInts(queryHandle, query.cursorHandle(), propertyId, distinct, enableNull, (int) nullValueLong)
+ );
+ }
+
+ /**
+ * Find the values for the given int property for objects matching the query.
+ *
+ * Note: null values are excluded from results.
+ *
+ * Note: results are not guaranteed to be in any particular order.
+ *
+ * See also: {@link #distinct()}
+ */
+ public short[] findShorts() {
+ return query.callInReadTx(() ->
+ nativeFindShorts(queryHandle, query.cursorHandle(), propertyId, distinct, enableNull, (short) nullValueLong)
+ );
+ }
+
+ /**
+ * Find the values for the given int property for objects matching the query.
+ *
+ * Note: null values are excluded from results.
+ *
+ * Note: results are not guaranteed to be in any particular order.
+ *
+ * See also: {@link #distinct()}
+ */
+ public char[] findChars() {
+ return query.callInReadTx(() ->
+ nativeFindChars(queryHandle, query.cursorHandle(), propertyId, distinct, enableNull, (char) nullValueLong)
+ );
+ }
+
+ /**
+ * Find the values for the given byte property for objects matching the query.
+ *
+ * Note: null values are excluded from results.
+ *
+ * Note: results are not guaranteed to be in any particular order.
+ */
+ public byte[] findBytes() {
+ return query.callInReadTx(() ->
+ nativeFindBytes(queryHandle, query.cursorHandle(), propertyId, distinct, enableNull, (byte) nullValueLong)
+ );
+ }
+
+ /**
+ * Find the values for the given int property for objects matching the query.
+ *
+ * Note: null values are excluded from results.
+ *
+ * Note: results are not guaranteed to be in any particular order.
+ *
+ * See also: {@link #distinct()}
+ */
+ public float[] findFloats() {
+ return query.callInReadTx(() ->
+ nativeFindFloats(queryHandle, query.cursorHandle(), propertyId, distinct, enableNull, nullValueFloat)
+ );
+ }
+
+ /**
+ * Find the values for the given int property for objects matching the query.
+ *
+ * Note: null values are excluded from results.
+ *
+ * Note: results are not guaranteed to be in any particular order.
+ *
+ * See also: {@link #distinct()}
+ */
+ public double[] findDoubles() {
+ return query.callInReadTx(() ->
+ nativeFindDoubles(queryHandle, query.cursorHandle(), propertyId, distinct, enableNull, nullValueDouble)
+ );
+ }
+
+ public String findString() {
+ return query.callInReadTx(() -> {
+ boolean distinctCase = distinct && !noCaseIfDistinct;
+ return nativeFindString(queryHandle, query.cursorHandle(), propertyId, unique, distinct,
+ distinctCase, enableNull, nullValueString);
+ });
+ }
+
+ private Object findNumber() {
+ return query.callInReadTx(() ->
+ nativeFindNumber(queryHandle, query.cursorHandle(), propertyId, unique, distinct,
+ enableNull, nullValueLong, nullValueFloat, nullValueDouble)
+ );
+ }
+
+ public Long findLong() {
+ return (Long) findNumber();
+ }
+
+ public Integer findInt() {
+ return (Integer) findNumber();
+ }
+
+ public Short findShort() {
+ return (Short) findNumber();
+ }
+
+ public Character findChar() {
+ return (Character) findNumber();
+ }
+
+ public Byte findByte() {
+ return (Byte) findNumber();
+ }
+
+ public Boolean findBoolean() {
+ return (Boolean) findNumber();
+ }
+
+ public Float findFloat() {
+ return (Float) findNumber();
+ }
+
+ public Double findDouble() {
+ return (Double) findNumber();
+ }
+
+ /**
+ * Sums up all values for the given property over all Objects matching the query.
+ *
+ * Note: this method is not recommended for properties of type long unless you know the contents of the DB not to
+ * overflow. Use {@link #sumDouble()} instead if you cannot guarantee the sum to be in the long value range.
+ *
+ * @return 0 in case no elements matched the query
+ * @throws io.objectbox.exception.NumericOverflowException if the sum exceeds the numbers {@link Long} can
+ * represent.
+ * This is different from Java arithmetic where it would "wrap around" (e.g. max. value + 1 = min. value).
+ */
+ public long sum() {
+ return query.callInReadTx(
+ () -> nativeSum(queryHandle, query.cursorHandle(), propertyId)
+ );
+ }
+
+ /**
+ * Sums up all values for the given property over all Objects matching the query.
+ *
+ * Note: for integer types int and smaller, {@link #sum()} is usually preferred for sums.
+ *
+ * @return 0 in case no elements matched the query
+ */
+ public double sumDouble() {
+ return query.callInReadTx(
+ () -> nativeSumDouble(queryHandle, query.cursorHandle(), propertyId)
+ );
+ }
+
+ /**
+ * Finds the maximum value for the given property over all Objects matching the query.
+ *
+ * @return Long.MIN_VALUE in case no elements matched the query
+ */
+ public long max() {
+ return query.callInReadTx(
+ () -> nativeMax(queryHandle, query.cursorHandle(), propertyId)
+ );
+ }
+
+ /**
+ * Finds the maximum value for the given property over all Objects matching the query.
+ *
+ * @return NaN in case no elements matched the query
+ */
+ public double maxDouble() {
+ return query.callInReadTx(
+ () -> nativeMaxDouble(queryHandle, query.cursorHandle(), propertyId)
+ );
+ }
+
+ /**
+ * Finds the minimum value for the given property over all Objects matching the query.
+ *
+ * @return Long.MAX_VALUE in case no elements matched the query
+ */
+ public long min() {
+ return query.callInReadTx(
+ () -> nativeMin(queryHandle, query.cursorHandle(), propertyId)
+ );
+ }
+
+ /**
+ * Finds the minimum value for the given property over all objects matching the query.
+ *
+ * @return NaN in case no elements matched the query
+ */
+ public double minDouble() {
+ return query.callInReadTx(
+ () -> nativeMinDouble(queryHandle, query.cursorHandle(), propertyId)
+ );
+ }
+
+ /**
+ * Calculates the average of all values for the given number property over all Objects matching the query.
+ *
+ * For integer properties you can also use {@link #avgLong()}.
+ *
+ * @return NaN in case no elements matched the query
+ */
+ public double avg() {
+ return query.callInReadTx(
+ () -> nativeAvg(queryHandle, query.cursorHandle(), propertyId)
+ );
+ }
+
+ /**
+ * Calculates the average of all values for the given integer property over all Objects matching the query.
+ *
+ * For floating-point properties use {@link #avg()}.
+ *
+ * @return 0 in case no elements matched the query
+ */
+ public long avgLong() {
+ return query.callInReadTx(
+ () -> nativeAvgLong(queryHandle, query.cursorHandle(), propertyId)
+ );
+ }
+
+ /**
+ * The count of non-null values.
+ *
+ * See also: {@link #distinct()}
+ */
+ public long count() {
+ return query.callInReadTx(
+ () -> nativeCount(queryHandle, query.cursorHandle(), propertyId, distinct)
+ );
+ }
+
+}
\ No newline at end of file
diff --git a/objectbox-java/src/main/java/io/objectbox/query/Query.java b/objectbox-java/src/main/java/io/objectbox/query/Query.java
index e0b79549..ee2d9df5 100644
--- a/objectbox-java/src/main/java/io/objectbox/query/Query.java
+++ b/objectbox-java/src/main/java/io/objectbox/query/Query.java
@@ -1,5 +1,22 @@
+/*
+ * Copyright 2017-2020 ObjectBox Ltd. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package io.objectbox.query;
+import java.io.Closeable;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
@@ -14,9 +31,8 @@
import io.objectbox.BoxStore;
import io.objectbox.InternalAccess;
import io.objectbox.Property;
-import io.objectbox.annotation.apihint.Beta;
-import io.objectbox.internal.CallWithHandle;
import io.objectbox.reactive.DataObserver;
+import io.objectbox.reactive.DataSubscriptionList;
import io.objectbox.reactive.SubscriptionBuilder;
import io.objectbox.relation.RelationInfo;
import io.objectbox.relation.ToOne;
@@ -28,70 +44,81 @@
* @author Markus
* @see QueryBuilder
*/
-@Beta
-public class Query {
-
- static native void nativeDestroy(long handle);
+@SuppressWarnings({"SameParameterValue", "UnusedReturnValue", "WeakerAccess"})
+public class Query implements Closeable {
- native static Object nativeFindFirst(long handle, long cursorHandle);
+ native void nativeDestroy(long handle);
- native static Object nativeFindUnique(long handle, long cursorHandle);
+ native Object nativeFindFirst(long handle, long cursorHandle);
- native static List nativeFind(long handle, long cursorHandle, long offset, long limit);
+ native Object nativeFindUnique(long handle, long cursorHandle);
- native static long[] nativeFindKeysUnordered(long handle, long cursorHandle);
+ native List nativeFind(long handle, long cursorHandle, long offset, long limit) throws Exception;
- native static long nativeCount(long handle, long cursorHandle);
+ native long[] nativeFindIds(long handle, long cursorHandle, long offset, long limit);
- native static long nativeSum(long handle, long cursorHandle, int propertyId);
+ native long nativeCount(long handle, long cursorHandle);
- native static double nativeSumDouble(long handle, long cursorHandle, int propertyId);
+ native long nativeRemove(long handle, long cursorHandle);
- native static long nativeMax(long handle, long cursorHandle, int propertyId);
+ native String nativeToString(long handle);
- native static double nativeMaxDouble(long handle, long cursorHandle, int propertyId);
+ native String nativeDescribeParameters(long handle);
- native static long nativeMin(long handle, long cursorHandle, int propertyId);
+ native void nativeSetParameter(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ String value);
- native static double nativeMinDouble(long handle, long cursorHandle, int propertyId);
+ native void nativeSetParameter(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ long value);
- native static double nativeAvg(long handle, long cursorHandle, int propertyId);
+ native void nativeSetParameters(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ int[] values);
- native static long nativeRemove(long handle, long cursorHandle);
+ native void nativeSetParameters(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ long[] values);
- native static void nativeSetParameter(long handle, int propertyId, String parameterAlias, String value);
+ native void nativeSetParameters(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ long value1, long value2);
- native static void nativeSetParameter(long handle, int propertyId, String parameterAlias, long value);
+ native void nativeSetParameter(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ double value);
- native static void nativeSetParameters(long handle, int propertyId, String parameterAlias, long value1,
- long value2);
+ native void nativeSetParameters(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ double value1, double value2);
- native static void nativeSetParameter(long handle, int propertyId, String parameterAlias, double value);
+ native void nativeSetParameters(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ String[] values);
- native static void nativeSetParameters(long handle, int propertyId, String parameterAlias, double value1,
- double value2);
+ native void nativeSetParameter(long handle, int entityId, int propertyId, @Nullable String parameterAlias,
+ byte[] value);
- private final Box box;
+ final Box box;
private final BoxStore store;
- private final boolean hasOrder;
private final QueryPublisher publisher;
- private final List eagerRelations;
- private final QueryFilter filter;
- private final Comparator comparator;
+ @Nullable private final List> eagerRelations;
+ @Nullable private final QueryFilter filter;
+ @Nullable private final Comparator comparator;
+ private final int queryAttempts;
+ private static final int INITIAL_RETRY_BACK_OFF_IN_MS = 10;
+
long handle;
- Query(Box box, long queryHandle, boolean hasOrder, List eagerRelations, QueryFilter filter,
- Comparator comparator) {
+ Query(Box box, long queryHandle, @Nullable List> eagerRelations, @Nullable QueryFilter filter,
+ @Nullable Comparator comparator) {
this.box = box;
store = box.getStore();
+ queryAttempts = store.internalQueryAttempts();
handle = queryHandle;
- this.hasOrder = hasOrder;
publisher = new QueryPublisher<>(this, box);
this.eagerRelations = eagerRelations;
this.filter = filter;
this.comparator = comparator;
}
+ /**
+ * Explicitly call {@link #close()} instead to avoid expensive finalization.
+ */
+ @SuppressWarnings("deprecation") // finalize()
@Override
protected void finalize() throws Throwable {
close();
@@ -103,59 +130,64 @@ protected void finalize() throws Throwable {
*/
public synchronized void close() {
if (handle != 0) {
- nativeDestroy(handle);
+ // Closeable recommendation: mark as "closed" before nativeDestroy could throw.
+ long handleCopy = handle;
handle = 0;
+ nativeDestroy(handleCopy);
}
}
+ /** To be called inside a read TX */
+ long cursorHandle() {
+ return InternalAccess.getActiveTxCursorHandle(box);
+ }
+
/**
* Find the first Object matching the query.
*/
@Nullable
public T findFirst() {
ensureNoFilterNoComparator();
- return store.callInReadTx(new Callable() {
- @Override
- public T call() {
- @SuppressWarnings("unchecked")
- T entity = (T) nativeFindFirst(handle, InternalAccess.getActiveTxCursorHandle(box));
- resolveEagerRelation(entity);
- return entity;
- }
+ return callInReadTx(() -> {
+ @SuppressWarnings("unchecked")
+ T entity = (T) nativeFindFirst(handle, cursorHandle());
+ resolveEagerRelation(entity);
+ return entity;
});
}
private void ensureNoFilterNoComparator() {
+ ensureNoFilter();
+ ensureNoComparator();
+ }
+
+ private void ensureNoFilter() {
if (filter != null) {
- throw new UnsupportedOperationException("Does not yet work with a filter yet. " +
- "At this point, only find() and forEach() are supported with filters.");
+ throw new UnsupportedOperationException("Does not work with a filter. " +
+ "Only find() and forEach() support filters.");
}
- ensureNoComparator();
}
private void ensureNoComparator() {
if (comparator != null) {
- throw new UnsupportedOperationException("Does not yet work with a sorting comparator yet. " +
- "At this point, only find() is supported with sorting comparators.");
+ throw new UnsupportedOperationException("Does not work with a sorting comparator. " +
+ "Only find() supports sorting with a comparator.");
}
}
/**
* Find the unique Object matching the query.
*
- * @throws io.objectbox.exception.DbException if result was not unique
+ * @throws io.objectbox.exception.NonUniqueResultException if result was not unique
*/
@Nullable
public T findUnique() {
- ensureNoFilterNoComparator();
- return store.callInReadTx(new Callable() {
- @Override
- public T call() {
- @SuppressWarnings("unchecked")
- T entity = (T) nativeFindUnique(handle, InternalAccess.getActiveTxCursorHandle(box));
- resolveEagerRelation(entity);
- return entity;
- }
+ ensureNoFilter(); // Comparator is fine: does not make any difference for a unique result
+ return callInReadTx(() -> {
+ @SuppressWarnings("unchecked")
+ T entity = (T) nativeFindUnique(handle, cursorHandle());
+ resolveEagerRelation(entity);
+ return entity;
});
}
@@ -164,26 +196,22 @@ public T call() {
*/
@Nonnull
public List find() {
- return store.callInReadTx(new Callable>() {
- @Override
- public List call() throws Exception {
- long cursorHandle = InternalAccess.getActiveTxCursorHandle(box);
- List entities = nativeFind(Query.this.handle, cursorHandle, 0, 0);
- if (filter != null) {
- Iterator iterator = entities.iterator();
- while (iterator.hasNext()) {
- T entity = iterator.next();
- if (!filter.keep(entity)) {
- iterator.remove();
- }
+ return callInReadTx(() -> {
+ List entities = nativeFind(Query.this.handle, cursorHandle(), 0, 0);
+ if (filter != null) {
+ Iterator