/*
* 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
*
* 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 org.springframework.statemachine.annotation;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.statemachine.AbstractStateMachineTests;
import org.springframework.statemachine.ObjectStateMachine;
import org.springframework.statemachine.annotation.OnTransition;
import org.springframework.statemachine.annotation.WithStateMachine;
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;
public class ClassAnnotationTests extends AbstractStateMachineTests {
@Test
@SuppressWarnings("unchecked")
public void testClassAnnotations() throws Exception {
AnnotationConfigApplicationContext context =
new AnnotationConfigApplicationContext(BaseConfig.class, BeanConfig1.class, FooConfig.class, BarConfig.class);
ObjectStateMachine<TestStates,TestEvents> fooMachine =
context.getBean("fooMachine", ObjectStateMachine.class);
ObjectStateMachine<TestStates,TestEvents> barMachine =
context.getBean("barMachine", ObjectStateMachine.class);
assertThat(context.containsBean("fooMachine"), is(true));
assertThat(context.containsBean("barMachine"), is(true));
fooMachine.start();
barMachine.start();
FooBean fooBean = context.getBean(FooBean.class);
BarBean barBean = context.getBean(BarBean.class);
fooBean.resetMethodLatch();
// this event should cause 'FooBean.fooMethod' to get called
fooMachine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
assertThat(fooBean.onFooMethodLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(barBean.onBarMethodLatch.await(2, TimeUnit.SECONDS), is(false));
fooBean.resetMethodLatch();
// this event should cause 'BarBean.barMethod' to get called
barMachine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
assertThat(fooBean.onFooMethodLatch.await(2, TimeUnit.SECONDS), is(false));
assertThat(barBean.onBarMethodLatch.await(2, TimeUnit.SECONDS), is(true));
context.close();
}
@Test
@SuppressWarnings("unchecked")
public void testClassAnnotationsWithMeta() throws Exception {
AnnotationConfigApplicationContext context =
new AnnotationConfigApplicationContext(BaseConfig.class, BeanConfig2.class, JeeConfig.class, FooConfig.class);
ObjectStateMachine<TestStates,TestEvents> jeeMachine =
context.getBean("jeeMachine", ObjectStateMachine.class);
assertThat(context.containsBean("fooMachine"), is(true));
assertThat(context.containsBean("jeeMachine"), is(true));
JeeBean jeeBean = context.getBean(JeeBean.class);
FooBean fooBean = context.getBean(FooBean.class);
fooBean.resetMethodLatch();
jeeMachine.start();
jeeMachine.sendEvent(MessageBuilder.withPayload(TestEvents.E1).build());
assertThat(jeeBean.onJeeMethodLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(fooBean.onFooMethodLatch.await(2, TimeUnit.SECONDS), is(false));
context.close();
}
@WithStateMachine(name = "fooMachine")
static class FooBean {
CountDownLatch onFooMethodLatch;
public void resetMethodLatch() {
onFooMethodLatch = new CountDownLatch(1);
}
@OnTransition(source = "S1", target = "S2")
public void fooMethod() {
onFooMethodLatch.countDown();
}
}
@WithStateMachine(name = "barMachine")
static class BarBean {
CountDownLatch onBarMethodLatch = new CountDownLatch(1);
@OnTransition(source = "S1", target = "S2")
public void barMethod() {
onBarMethodLatch.countDown();
}
}
@Target({ ElementType.TYPE, ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
@WithStateMachine(name = "jeeMachine")
public @interface WithJeeMachine {
}
@WithJeeMachine
static class JeeBean {
CountDownLatch onJeeMethodLatch = new CountDownLatch(1);
@OnTransition(source = "S1", target = "S2")
public void jeeMethod() {
onJeeMethodLatch.countDown();
}
}
@Configuration
static class BeanConfig1 {
@Bean
public FooBean fooBean() {
return new FooBean();
}
@Bean
public BarBean barBean() {
return new BarBean();
}
}
@Configuration
static class BeanConfig2 {
@Bean
public FooBean fooBean() {
return new FooBean();
}
@Bean
public JeeBean jeeBean() {
return new JeeBean();
}
}
@Configuration
@EnableStateMachine(name = "fooMachine")
static class FooConfig extends EnumStateMachineConfigurerAdapter<TestStates, TestEvents> {
@Override
public void configure(StateMachineStateConfigurer<TestStates, TestEvents> states) throws Exception {
states
.withStates()
.initial(TestStates.S1)
.state(TestStates.S2);
}
@Override
public void configure(StateMachineTransitionConfigurer<TestStates, TestEvents> transitions) throws Exception {
transitions
.withExternal()
.source(TestStates.S1)
.target(TestStates.S2)
.event(TestEvents.E1)
.guard(testGuard())
.action(testAction());
}
@Bean
public TestGuard testGuard() {
return new TestGuard();
}
@Bean
public TestAction testAction() {
return new TestAction();
}
}
@Configuration
@EnableStateMachine(name = "barMachine")
static class BarConfig extends EnumStateMachineConfigurerAdapter<TestStates, TestEvents> {
@Override
public void configure(StateMachineStateConfigurer<TestStates, TestEvents> states) throws Exception {
states
.withStates()
.initial(TestStates.S1)
.state(TestStates.S2);
}
@Override
public void configure(StateMachineTransitionConfigurer<TestStates, TestEvents> transitions) throws Exception {
transitions
.withExternal()
.source(TestStates.S1)
.target(TestStates.S2)
.event(TestEvents.E1)
.guard(testGuard())
.action(testAction());
}
@Bean
public TestGuard testGuard() {
return new TestGuard();
}
@Bean
public TestAction testAction() {
return new TestAction();
}
}
@Configuration
@EnableStateMachine(name = "jeeMachine")
static class JeeConfig extends EnumStateMachineConfigurerAdapter<TestStates, TestEvents> {
@Override
public void configure(StateMachineStateConfigurer<TestStates, TestEvents> states) throws Exception {
states
.withStates()
.initial(TestStates.S1)
.state(TestStates.S2);
}
@Override
public void configure(StateMachineTransitionConfigurer<TestStates, TestEvents> transitions) throws Exception {
transitions
.withExternal()
.source(TestStates.S1)
.target(TestStates.S2)
.event(TestEvents.E1)
.guard(testGuard())
.action(testAction());
}
@Bean
public TestGuard testGuard() {
return new TestGuard();
}
@Bean
public TestAction testAction() {
return new TestAction();
}
}
}