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Besok
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change according to cgeckstyle
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‎saga/README.md

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---
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layout: pattern
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title: Saga
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folder: Communication
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folder: saga
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permalink: /patterns/saga/
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categories: Behavioral
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tags:
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- you can not use 2PC(two phase commit)
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## Credits
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- [pattern description](https://microservices.io/patterns/data/saga.html)
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- [Pattern: Saga](https://microservices.io/patterns/data/saga.html)

‎saga/pom.xml

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THE SOFTWARE.
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-->
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<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.iluwatar</groupId>
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<artifactId>java-design-patterns</artifactId>
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<version>1.22.0-SNAPSHOT</version>
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</parent>
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<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.iluwatar</groupId>
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<artifactId>java-design-patterns</artifactId>
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<version>1.22.0-SNAPSHOT</version>
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</parent>
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<artifactId>saga</artifactId>
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<artifactId>saga</artifactId>
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>

‎saga/src/main/java/com/iluwatar/saga/choreography/Chapter.java renamed to ‎saga/src/main/java/com/iluwatar/saga/choreography/ChoreographyChapter.java

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/**
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* Chapter is an interface representing a contract for an external service.
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* ChoreographyChapter is an interface representing a contract for an external service.
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* In that case, a service needs to make a decision what to do further
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* hence the server needs to get all context representing {@link Saga}
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* */
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public interface Chapter {
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/**
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* In that case, every method is responsible to make a decision on what to do then
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* @param saga incoming saga
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* @return saga result
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*/
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Saga execute(Saga saga);
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/**
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* @return service name.
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*/
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String getName();
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/**
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* The operation executed in general case.
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* @param saga incoming saga
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* @return result {@link Saga}
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*/
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Saga process(Saga saga);
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/**
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* The operation executed in rollback case.
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* @param saga incoming saga
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* @return result {@link Saga}
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*/
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Saga rollback(Saga saga);
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*/
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public interface ChoreographyChapter {
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/**
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* In that case, every method is responsible to make a decision on what to do then
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*
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* @param saga incoming saga
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* @return saga result
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*/
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Saga execute(Saga saga);
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/**
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* @return service name.
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*/
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String getName();
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/**
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* The operation executed in general case.
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*
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* @param saga incoming saga
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* @return result {@link Saga}
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*/
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Saga process(Saga saga);
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/**
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* The operation executed in rollback case.
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*
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* @param saga incoming saga
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* @return result {@link Saga}
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*/
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Saga rollback(Saga saga);
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}

‎saga/src/main/java/com/iluwatar/saga/choreography/FlyBookingService.java

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* Class representing a service to book a fly
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*/
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public class FlyBookingService extends Service {
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public FlyBookingService(ServiceDiscoveryService service) {
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super(service);
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}
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public FlyBookingService(ServiceDiscoveryService service) {
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super(service);
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}
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@Override
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public String getName() {
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return "booking a Fly";
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}
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@Override
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public String getName() {
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return "booking a Fly";
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}
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}

‎saga/src/main/java/com/iluwatar/saga/choreography/HotelBookingService.java

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* Class representing a service to book a hotel
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*/
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public class HotelBookingService extends Service {
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public HotelBookingService(ServiceDiscoveryService service) {
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super(service);
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}
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public HotelBookingService(ServiceDiscoveryService service) {
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super(service);
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}
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@Override
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public String getName() {
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return "booking a Hotel";
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}
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@Override
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public String getName() {
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return "booking a Hotel";
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}
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}
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}

‎saga/src/main/java/com/iluwatar/saga/choreography/OrderService.java

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/**
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* Class representing a service to init a new order.
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*/
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public class OrderService extends Service{
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public class OrderService extends Service {
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public OrderService(ServiceDiscoveryService service) {
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super(service);
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}
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public OrderService(ServiceDiscoveryService service) {
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super(service);
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}
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@Override
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public String getName() {
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return "init an order";
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}
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@Override
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public String getName() {
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return "init an order";
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}
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}

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