transition enricher

state_machines/complex_multi_module_sm/domain/.gitignore

@@ -0,0 +1,33 @@
+HELP.md
+target/
+.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

state_machines/complex_multi_module_sm/domain/pom.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>click.kamil.complex</groupId>
+        <artifactId>complex-multi-module-sm</artifactId>
+        <version>1.0.0</version>
+    </parent>
+
+    <artifactId>domain</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.statemachine</groupId>
+            <artifactId>spring-statemachine-core</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+    </dependencies>
+</project>

state_machines/complex_multi_module_sm/domain/src/main/java/click/kamil/domain/IEvent.java

@@ -0,0 +1,4 @@
+package click.kamil.domain;
+
+public interface IEvent {
+}

state_machines/complex_multi_module_sm/domain/src/main/java/click/kamil/domain/IState.java

@@ -0,0 +1,4 @@
+package click.kamil.domain;
+
+public interface IState {
+}

state_machines/complex_multi_module_sm/domain/src/main/java/click/kamil/domain/OrderEvent.java

@@ -0,0 +1,5 @@
+package click.kamil.domain;
+
+public enum OrderEvent implements IEvent {
+    PROCESS, COMPLETE, CANCEL
+}

state_machines/complex_multi_module_sm/domain/src/main/java/click/kamil/domain/OrderState.java

@@ -0,0 +1,5 @@
+package click.kamil.domain;
+
+public enum OrderState implements IState {
+    NEW, PROCESSING, COMPLETED, CANCELLED
+}

state_machines/complex_multi_module_sm/domain/src/main/java/click/kamil/domain/StateMachineConfig.java

@@ -0,0 +1,38 @@
+package click.kamil.domain;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.statemachine.config.EnableStateMachine;
+import org.springframework.statemachine.config.EnumStateMachineConfigurerAdapter;
+import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
+import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
+
+import java.util.EnumSet;
+
+@Configuration
+@EnableStateMachine
+public class StateMachineConfig extends EnumStateMachineConfigurerAdapter<OrderState, OrderEvent> {
+
+    @Override
+    public void configure(StateMachineStateConfigurer<OrderState, OrderEvent> states) throws Exception {
+        states
+            .withStates()
+                .initial(OrderState.NEW)
+                .states(EnumSet.allOf(OrderState.class));
+    }
+
+    @Override
+    public void configure(StateMachineTransitionConfigurer<OrderState, OrderEvent> transitions) throws Exception {
+        transitions
+            .withExternal()
+                .source(OrderState.NEW).target(OrderState.PROCESSING).event(OrderEvent.PROCESS)
+                .and()
+            .withExternal()
+                .source(OrderState.PROCESSING).target(OrderState.COMPLETED).event(OrderEvent.COMPLETE)
+                .and()
+            .withExternal()
+                .source(OrderState.NEW).target(OrderState.CANCELLED).event(OrderEvent.CANCEL)
+                .and()
+            .withExternal()
+                .source(OrderState.PROCESSING).target(OrderState.CANCELLED).event(OrderEvent.CANCEL);
+    }
+}