/*
* Copyright 2016 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.persist;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;
import static org.junit.Assert.assertThat;
import java.util.HashMap;
import org.junit.Test;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.AbstractStateMachineTests;
import org.springframework.statemachine.StateMachine;
import org.springframework.statemachine.StateMachineContext;
import org.springframework.statemachine.StateMachinePersist;
import org.springframework.statemachine.TestUtils;
import org.springframework.statemachine.config.EnableStateMachine;
import org.springframework.statemachine.config.EnableStateMachineFactory;
import org.springframework.statemachine.config.StateMachineConfigurerAdapter;
import org.springframework.statemachine.config.StateMachineFactory;
import org.springframework.statemachine.config.builders.StateMachineConfigurationConfigurer;
import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
public class StateMachinePersistTests3 extends AbstractStateMachineTests {
@Override
protected AnnotationConfigApplicationContext buildContext() {
return new AnnotationConfigApplicationContext();
}
@Test
public void testPersistMachineId() throws Exception {
context.register(Config1.class);
context.refresh();
InMemoryStateMachinePersist1 stateMachinePersist = new InMemoryStateMachinePersist1();
StateMachinePersister<String, String, String> persister = new DefaultStateMachinePersister<>(stateMachinePersist);
@SuppressWarnings("unchecked")
StateMachineFactory<String, String> stateMachineFactory = context.getBean(StateMachineFactory.class);
StateMachine<String,String> stateMachine = stateMachineFactory.getStateMachine("testid2");
assertThat(stateMachine, notNullValue());
assertThat(stateMachine.getId(), is("testid2"));
persister.persist(stateMachine, "xxx");
stateMachine = stateMachineFactory.getStateMachine();
assertThat(stateMachine, notNullValue());
assertThat(stateMachine.getId(), nullValue());
stateMachine = persister.restore(stateMachine, "xxx");
assertThat(stateMachine.getId(), is("testid2"));
}
@Test
public void testPersistMachineId2() throws Exception {
context.register(Config1.class);
context.refresh();
InMemoryStateMachinePersist1 stateMachinePersist = new InMemoryStateMachinePersist1();
StateMachinePersister<String, String, String> persister = new DefaultStateMachinePersister<>(stateMachinePersist);
@SuppressWarnings("unchecked")
StateMachineFactory<String, String> stateMachineFactory = context.getBean(StateMachineFactory.class);
StateMachine<String,String> stateMachine = stateMachineFactory.getStateMachine("testid2");
assertThat(stateMachine, notNullValue());
assertThat(stateMachine.getId(), is("testid2"));
TestUtils.setField("id", stateMachine, "newid");
assertThat(stateMachine.getId(), is("newid"));
persister.persist(stateMachine, "xxx");
stateMachine = stateMachineFactory.getStateMachine();
assertThat(stateMachine, notNullValue());
assertThat(stateMachine.getId(), nullValue());
stateMachine = persister.restore(stateMachine, "xxx");
assertThat(stateMachine.getId(), is("newid"));
}
@Test
public void testPersistMachineId3() throws Exception {
context.register(Config2.class);
context.refresh();
InMemoryStateMachinePersist1 stateMachinePersist = new InMemoryStateMachinePersist1();
StateMachinePersister<String, String, String> persister = new DefaultStateMachinePersister<>(stateMachinePersist);
@SuppressWarnings("unchecked")
StateMachine<String,String> stateMachine = context.getBean(StateMachine.class);
assertThat(stateMachine, notNullValue());
assertThat(stateMachine.getId(), nullValue());
TestUtils.setField("id", stateMachine, "newid");
assertThat(stateMachine.getId(), is("newid"));
persister.persist(stateMachine, "xxx");
TestUtils.setField("id", stateMachine, "xxx");
stateMachine = persister.restore(stateMachine, "xxx");
assertThat(stateMachine.getId(), is("newid"));
}
@Configuration
@EnableStateMachineFactory
public static class Config1 extends StateMachineConfigurerAdapter<String, String> {
@Override
public void configure(StateMachineConfigurationConfigurer<String, String> config) throws Exception {
config
.withConfiguration()
.autoStartup(true);
}
@Override
public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
states
.withStates()
.initial("S1")
.state("S2");
}
@Override
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("S1")
.target("S2")
.event("E1");
}
}
@Configuration
@EnableStateMachine
public static class Config2 extends StateMachineConfigurerAdapter<String, String> {
@Override
public void configure(StateMachineConfigurationConfigurer<String, String> config) throws Exception {
config
.withConfiguration()
.autoStartup(true);
}
@Override
public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
states
.withStates()
.initial("S1")
.state("S2");
}
@Override
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("S1")
.target("S2")
.event("E1");
}
}
static class InMemoryStateMachinePersist1 implements StateMachinePersist<String, String, String> {
private final HashMap<String, StateMachineContext<String, String>> contexts = new HashMap<>();
@Override
public void write(StateMachineContext<String, String> context, String contextObj) throws Exception {
contexts.put(contextObj, context);
}
@Override
public StateMachineContext<String, String> read(String contextObj) throws Exception {
return contexts.get(contextObj);
}
}
}