ExternalConfig.java

/*
 * 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.event;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.AbstractStateMachineTests.TestEvents;
import org.springframework.statemachine.AbstractStateMachineTests.TestStates;
import org.springframework.statemachine.StateMachine;
import org.springframework.statemachine.config.EnableStateMachine;
import org.springframework.statemachine.config.StateMachineBuilder;
import org.springframework.statemachine.config.StateMachineBuilder.Builder;

@Configuration
@EnableStateMachine
public class ExternalConfig {

	@Bean
	public StateMachine<TestStates, TestEvents> stateMachine() throws Exception {

		Builder<TestStates, TestEvents> builder = StateMachineBuilder.builder();
		builder.configureStates()
			.withStates()
				.initial(TestStates.S1)
				.state(TestStates.S2);
		builder.configureTransitions()
			.withExternal()
				.source(TestStates.S1)
				.target(TestStates.S2)
				.event(TestEvents.E1);
		return builder.build();
	}

}