extended analysis

state_machines/inheritance_sample/build.gradle

@@ -0,0 +1,33 @@
+plugins {
+	id 'java'
+	id 'org.springframework.boot' version '3.5.3'
+	id 'io.spring.dependency-management' version '1.1.7'
+}
+
+group = 'click.kamil'
+version = '0.0.1-SNAPSHOT'
+
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(21)
+	}
+}
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.statemachine:spring-statemachine-starter:3.2.0'
+	compileOnly 'org.projectlombok:lombok'
+	annotationProcessor 'org.projectlombok:lombok'
+}
+
+bootJar {
+	enabled = false
+}
+
+jar {
+	enabled = true
+}

state_machines/inheritance_sample/src/main/java/click/kamil/examples/statemachine/inheritance/api/OrderApi.java

@@ -0,0 +1,11 @@
+package click.kamil.examples.statemachine.inheritance.api;
+
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@RequestMapping("/api/v2/orders")
+public interface OrderApi {
+
+    @PostMapping("/submit")
+    void submitOrder();
+}

state_machines/inheritance_sample/src/main/java/click/kamil/examples/statemachine/inheritance/api/OrderControllerImpl.java

@@ -0,0 +1,20 @@
+package click.kamil.examples.statemachine.inheritance.api;
+
+import click.kamil.examples.statemachine.inheritance.service.ProcessingService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class OrderControllerImpl implements OrderApi {
+
+    private final ProcessingService processingService;
+
+    public OrderControllerImpl(ProcessingService processingService) {
+        this.processingService = processingService;
+    }
+
+    @Override
+    public void submitOrder() {
+        processingService.doProcess();
+    }
+}

state_machines/inheritance_sample/src/main/java/click/kamil/examples/statemachine/inheritance/config/InheritanceStateMachineConfig.java

@@ -0,0 +1,28 @@
+package click.kamil.examples.statemachine.inheritance.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.statemachine.config.EnableStateMachine;
+import org.springframework.statemachine.config.StateMachineConfigurerAdapter;
+import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
+import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
+
+@Configuration
+@EnableStateMachine
+public class InheritanceStateMachineConfig extends StateMachineConfigurerAdapter<String, String> {
+
+    @Override
+    public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
+        states
+            .withStates()
+                .initial("START")
+                .state("WORKING");
+    }
+
+    @Override
+    public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
+        transitions
+            .withExternal()
+                .source("START").target("WORKING")
+                .event("INHERITED_SUBMIT");
+    }
+}

state_machines/inheritance_sample/src/main/java/click/kamil/examples/statemachine/inheritance/service/ProcessingService.java

@@ -0,0 +1,5 @@
+package click.kamil.examples.statemachine.inheritance.service;
+
+public interface ProcessingService {
+    void doProcess();
+}

state_machines/inheritance_sample/src/main/java/click/kamil/examples/statemachine/inheritance/service/ProcessingServiceImpl.java

@@ -0,0 +1,17 @@
+package click.kamil.examples.statemachine.inheritance.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.statemachine.StateMachine;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class ProcessingServiceImpl implements ProcessingService {
+
+    private final StateMachine<String, String> stateMachine;
+
+    @Override
+    public void doProcess() {
+        stateMachine.sendEvent("INHERITED_SUBMIT");
+    }
+}