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ES 示例和文档
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‎README.md

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@@ -77,6 +77,7 @@
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- [Elasticsearch 快速入门](docs/nosql/elasticsearch/Elasticsearch快速入门.md)
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- [Elasticsearch 简介](docs/nosql/elasticsearch/Elasticsearch简介.md)
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- [Elasticsearch Rest API](docs/nosql/elasticsearch/ElasticsearchRestApi.md)
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- [ElasticSearch Java API 之 High Level REST Client](docs/nosql/elasticsearch/ElasticsearchHighLevelRestJavaApi.md)
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- [Elasticsearch 索引管理](docs/nosql/elasticsearch/Elasticsearch索引管理.md)
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- [Elasticsearch 查询](docs/nosql/elasticsearch/Elasticsearch查询.md)
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- [Elasticsearch 高亮](docs/nosql/elasticsearch/Elasticsearch高亮.md)

‎codes/javadb/javadb-elasticsearch/src/main/java/io/github/dunwu/javadb/elasticsearch/springboot/entities/Product.java

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@@ -4,19 +4,25 @@
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import lombok.ToString;
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import org.springframework.data.annotation.Id;
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import org.springframework.data.elasticsearch.annotations.Document;
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import org.springframework.data.elasticsearch.annotations.Field;
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import org.springframework.data.elasticsearch.annotations.FieldType;
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@Data
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@ToString
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@Document(indexName = "product")
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public class Product {
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@Id
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@Field(type = FieldType.Keyword)
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private String id;
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@Field(type = FieldType.Keyword)
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private String name;
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@Field(type = FieldType.Text)
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private String description;
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@Field(type = FieldType.Boolean)
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private boolean enabled;
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public Product(String id, String name, String description, boolean enabled) {

‎codes/javadb/javadb-elasticsearch/src/test/java/io/github/dunwu/javadb/elasticsearch/springboot/RestHighLevelClientDocumentApiTest.java

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@@ -1,27 +1,33 @@
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package io.github.dunwu.javadb.elasticsearch.springboot;
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3+
import cn.hutool.core.bean.BeanUtil;
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import cn.hutool.core.bean.copier.CopyOptions;
5+
import cn.hutool.json.JSONUtil;
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import io.github.dunwu.javadb.elasticsearch.springboot.entities.Product;
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import io.github.dunwu.javadb.elasticsearch.springboot.entities.User;
8+
import org.elasticsearch.action.ActionListener;
49
import org.elasticsearch.action.admin.indices.alias.Alias;
5-
import org.elasticsearch.action.admin.indices.alias.get.GetAliasesRequest;
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import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
11+
import org.elasticsearch.action.delete.DeleteRequest;
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import org.elasticsearch.action.delete.DeleteResponse;
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import org.elasticsearch.action.get.GetRequest;
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import org.elasticsearch.action.get.GetResponse;
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import org.elasticsearch.action.index.IndexRequest;
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import org.elasticsearch.action.index.IndexResponse;
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import org.elasticsearch.action.support.master.AcknowledgedResponse;
10-
import org.elasticsearch.client.GetAliasesResponse;
18+
import org.elasticsearch.action.update.UpdateRequest;
19+
import org.elasticsearch.action.update.UpdateResponse;
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import org.elasticsearch.client.RequestOptions;
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import org.elasticsearch.client.RestHighLevelClient;
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import org.elasticsearch.client.indices.CreateIndexRequest;
1423
import org.elasticsearch.client.indices.GetIndexRequest;
15-
import org.elasticsearch.cluster.metadata.AliasMetadata;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.xcontent.XContentType;
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import org.junit.jupiter.api.*;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import java.io.IOException;
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import java.util.Map;
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import java.util.Set;
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/**
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* @author <a href="mailto:forbreak@163.com">Zhang Peng</a>
@@ -30,76 +36,18 @@
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@SpringBootTest
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public class RestHighLevelClientDocumentApiTest {
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public static final String INDEX = "mytest";
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public static final String INDEX_ALIAS = "mytest_alias";
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/**
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* {@link User} 的 mapping 结构（json形式）
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*/
38-
public static final String MAPPING_JSON = "{\n"
39-
+ " \"properties\": {\n"
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+ " \"age\": {\n"
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+ " \"type\": \"long\"\n"
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+ " },\n"
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+ " \"desc\": {\n"
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+ " \"type\": \"text\",\n"
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+ " \"fields\": {\n"
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+ " \"keyword\": {\n"
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+ " \"type\": \"keyword\",\n"
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+ " \"ignore_above\": 256\n"
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+ " }\n"
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+ " }\n"
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+ " },\n"
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+ " \"email\": {\n"
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+ " \"type\": \"text\",\n"
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+ " \"fielddata\": true\n"
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+ " },\n"
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+ " \"id\": {\n"
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+ " \"type\": \"text\",\n"
58-
+ " \"fields\": {\n"
59-
+ " \"keyword\": {\n"
60-
+ " \"type\": \"keyword\",\n"
61-
+ " \"ignore_above\": 256\n"
62-
+ " }\n"
63-
+ " }\n"
64-
+ " },\n"
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+ " \"password\": {\n"
66-
+ " \"type\": \"text\",\n"
67-
+ " \"fields\": {\n"
68-
+ " \"keyword\": {\n"
69-
+ " \"type\": \"keyword\",\n"
70-
+ " \"ignore_above\": 256\n"
71-
+ " }\n"
72-
+ " }\n"
73-
+ " },\n"
74-
+ " \"title\": {\n"
75-
+ " \"type\": \"text\",\n"
76-
+ " \"fields\": {\n"
77-
+ " \"keyword\": {\n"
78-
+ " \"type\": \"keyword\",\n"
79-
+ " \"ignore_above\": 256\n"
80-
+ " }\n"
81-
+ " }\n"
82-
+ " },\n"
83-
+ " \"user\": {\n"
84-
+ " \"type\": \"text\",\n"
85-
+ " \"fields\": {\n"
86-
+ " \"keyword\": {\n"
87-
+ " \"type\": \"keyword\",\n"
88-
+ " \"ignore_above\": 256\n"
89-
+ " }\n"
90-
+ " }\n"
91-
+ " },\n"
92-
+ " \"username\": {\n"
93-
+ " \"type\": \"text\",\n"
94-
+ " \"fields\": {\n"
95-
+ " \"keyword\": {\n"
96-
+ " \"type\": \"keyword\",\n"
97-
+ " \"ignore_above\": 256\n"
98-
+ " }\n"
99-
+ " }\n"
100-
+ " }\n"
101-
+ " }\n"
102-
+ "}";
45+
public static final String MAPPING_JSON =
46+
"{\n" + " \"properties\": {\n" + " \"_class\": {\n" + " \"type\": \"keyword\",\n"
47+
+ " \"index\": false,\n" + " \"doc_values\": false\n" + " },\n" + " \"description\": {\n"
48+
+ " \"type\": \"text\",\n" + " \"fielddata\": true\n" + " },\n" + " \"enabled\": {\n"
49+
+ " \"type\": \"boolean\"\n" + " },\n" + " \"name\": {\n" + " \"type\": \"text\",\n"
50+
+ " \"fielddata\": true\n" + " }\n" + " }\n" + "}";
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10452
@Autowired
10553
private RestHighLevelClient client;
@@ -111,19 +59,16 @@ public void init() throws IOException {
11159
CreateIndexRequest createIndexRequest = new CreateIndexRequest(INDEX);
11260

11361
// 设置索引的 settings
114-
createIndexRequest.settings(Settings.builder()
115-
.put("index.number_of_shards", 3)
116-
.put("index.number_of_replicas", 2)
117-
);
62+
createIndexRequest.settings(
63+
Settings.builder().put("index.number_of_shards", 3).put("index.number_of_replicas", 2));
11864

11965
// 设置索引的 mapping
12066
createIndexRequest.mapping(MAPPING_JSON, XContentType.JSON);
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12268
// 设置索引的别名
12369
createIndexRequest.alias(new Alias(INDEX_ALIAS));
12470

125-
AcknowledgedResponse response =
126-
client.indices().create(createIndexRequest, RequestOptions.DEFAULT);
71+
AcknowledgedResponse response = client.indices().create(createIndexRequest, RequestOptions.DEFAULT);
12772
Assertions.assertTrue(response.isAcknowledged());
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12974
// 判断索引是否存在
@@ -142,29 +87,142 @@ public void destroy() throws IOException {
14287
}
14388

14489
@Test
145-
@DisplayName("列出所有索引")
146-
public void listAllIndex() throws IOException {
147-
GetAliasesRequest request = new GetAliasesRequest();
148-
GetAliasesResponse getAliasesResponse = client.indices().getAlias(request, RequestOptions.DEFAULT);
149-
Map<String, Set<AliasMetadata>> map = getAliasesResponse.getAliases();
150-
Set<String> indices = map.keySet();
151-
indices.forEach(System.out::println);
90+
@DisplayName("同步新建文档")
91+
public void index() throws IOException {
92+
IndexRequest request = new IndexRequest(INDEX_ALIAS);
93+
request.id("1");
94+
Product product = new Product();
95+
product.setName("机器人");
96+
product.setDescription("人工智能机器人");
97+
product.setEnabled(true);
98+
String jsonString = JSONUtil.toJsonStr(product);
99+
request.source(jsonString, XContentType.JSON);
100+
101+
// 同步执行
102+
IndexResponse response = client.index(request, RequestOptions.DEFAULT);
103+
System.out.println(response);
104+
}
105+
106+
@Test
107+
@DisplayName("异步新建文档")
108+
public void indexAsync() {
109+
IndexRequest request = new IndexRequest(INDEX_ALIAS);
110+
Product product = new Product();
111+
product.setName("机器人");
112+
product.setDescription("人工智能机器人");
113+
product.setEnabled(true);
114+
String jsonString = JSONUtil.toJsonStr(product);
115+
request.source(jsonString, XContentType.JSON);
116+
117+
// 异步执行
118+
client.indexAsync(request, RequestOptions.DEFAULT, new ActionListener<IndexResponse>() {
119+
@Override
120+
public void onResponse(IndexResponse indexResponse) {
121+
System.out.println(indexResponse);
122+
}
123+
124+
@Override
125+
public void onFailure(Exception e) {
126+
System.out.println("执行失败");
127+
}
128+
});
129+
}
130+
131+
@Test
132+
@DisplayName("删除文档")
133+
public void delete() throws IOException {
134+
135+
// 创建文档请求
136+
IndexRequest request = new IndexRequest(INDEX_ALIAS);
137+
request.id("1");
138+
Product product = new Product();
139+
product.setName("机器人");
140+
product.setDescription("人工智能机器人");
141+
product.setEnabled(true);
142+
String jsonString = JSONUtil.toJsonStr(product);
143+
request.source(jsonString, XContentType.JSON);
144+
145+
// 同步执行创建操作
146+
IndexResponse response = client.index(request, RequestOptions.DEFAULT);
147+
System.out.println(response);
148+
149+
// 删除文档请求
150+
DeleteRequest deleteRequest = new DeleteRequest(INDEX_ALIAS, "1");
151+
152+
// 同步执行删除操作
153+
// DeleteResponse deleteResponse = client.delete(deleteRequest, RequestOptions.DEFAULT);
154+
// System.out.println(deleteResponse);
155+
156+
// 异步执行删除操作
157+
client.deleteAsync(deleteRequest, RequestOptions.DEFAULT, new ActionListener<DeleteResponse>() {
158+
@Override
159+
public void onResponse(DeleteResponse deleteResponse) {
160+
System.out.println(deleteResponse);
161+
}
162+
163+
@Override
164+
public void onFailure(Exception e) {
165+
System.out.println("执行失败");
166+
}
167+
});
152168
}
153169

154170
@Test
155-
public void method() throws IOException {
156-
IndexRequest request = new IndexRequest(INDEX);
171+
@DisplayName("更新文档")
172+
public void update() throws IOException {
173+
174+
// 创建文档请求
175+
IndexRequest request = new IndexRequest(INDEX_ALIAS);
157176
request.id("1");
158-
String jsonString = "{\n"
159-
+ " \"id\": \"1\",\n"
160-
+ " \"userName\": \"Jack\",\n"
161-
+ " \"age\": 12,\n"
162-
+ " \"password\": \"123456\",\n"
163-
+ " \"email\": \"jack@xxx.com\"\n"
164-
+ "}";
177+
Product product = new Product();
178+
product.setName("机器人");
179+
product.setDescription("人工智能机器人");
180+
product.setEnabled(true);
181+
String jsonString = JSONUtil.toJsonStr(product);
165182
request.source(jsonString, XContentType.JSON);
166-
IndexResponse indexResponse = client.index(request, RequestOptions.DEFAULT);
167-
System.out.println("indexResponse: " + indexResponse.getResult());
183+
184+
// 同步执行创建操作
185+
IndexResponse response = client.index(request, RequestOptions.DEFAULT);
186+
System.out.println(response);
187+
188+
// 查询文档操作
189+
GetRequest getRequest = new GetRequest(INDEX_ALIAS, "1");
190+
GetResponse getResponse = client.get(getRequest, RequestOptions.DEFAULT);
191+
Product product2 = BeanUtil.mapToBean(getResponse.getSource(), Product.class, true, CopyOptions.create());
192+
System.out.println("product2: " + product2);
193+
Assertions.assertEquals(product.getName(), product2.getName());
194+
195+
// 更新文档请求
196+
UpdateRequest updateRequest = new UpdateRequest(INDEX_ALIAS, "1");
197+
Product product3 = new Product();
198+
product3.setName("扫地机器人");
199+
product3.setDescription("人工智能扫地机器人");
200+
product3.setEnabled(true);
201+
String jsonString2 = JSONUtil.toJsonStr(product3);
202+
updateRequest.doc(jsonString2, XContentType.JSON);
203+
204+
// 同步执行更新操作
205+
UpdateResponse updateResponse = client.update(updateRequest, RequestOptions.DEFAULT);
206+
System.out.println(updateResponse);
207+
208+
// 异步执行更新操作
209+
// client.updateAsync(updateRequest, RequestOptions.DEFAULT, new ActionListener<UpdateResponse>() {
210+
// @Override
211+
// public void onResponse(UpdateResponse updateResponse) {
212+
// System.out.println(updateResponse);
213+
// }
214+
//
215+
// @Override
216+
// public void onFailure(Exception e) {
217+
// System.out.println("执行失败");
218+
// }
219+
// });
220+
221+
// 查询文档操作
222+
GetResponse getResponse2 = client.get(getRequest, RequestOptions.DEFAULT);
223+
Product product4 = BeanUtil.mapToBean(getResponse2.getSource(), Product.class, true, CopyOptions.create());
224+
System.out.println("product4: " + product4);
225+
Assertions.assertEquals(product3.getName(), product4.getName());
168226
}
169227

170228
}

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