/*
* 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.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.messaging.Message;
import org.springframework.statemachine.StateMachine;
import org.springframework.statemachine.state.State;
import org.springframework.statemachine.transition.Transition;
/**
* Default implementation of {@link StateMachineEventPublisher}.
*
* @author Janne Valkealahti
*
*/
public class DefaultStateMachineEventPublisher implements StateMachineEventPublisher, ApplicationEventPublisherAware {
private ApplicationEventPublisher applicationEventPublisher;
/**
* Instantiates a new state machine event publisher.
*/
public DefaultStateMachineEventPublisher() {
}
/**
* Instantiates a new state machine event publisher.
*
* @param applicationEventPublisher the application event publisher
*/
public DefaultStateMachineEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.applicationEventPublisher = applicationEventPublisher;
}
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.applicationEventPublisher = applicationEventPublisher;
}
@Override
public void publishStateChanged(Object source, State<?, ?> sourceState, State<?, ?> targetState) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnStateChangedEvent(source, sourceState, targetState));
}
}
@Override
public void publishStateEntered(Object source, State<?, ?> state) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnStateEntryEvent(source, state));
}
}
@Override
public void publishStateExited(Object source, State<?, ?> state) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnStateExitEvent(source, state));
}
}
@Override
public void publishEventNotAccepted(Object source, Message<?> event) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnEventNotAcceptedEvent(source, event));
}
}
@Override
public void publishTransitionStart(Object source, Transition<?, ?> transition) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnTransitionStartEvent(source, transition));
}
}
@Override
public void publishTransitionEnd(Object source, Transition<?, ?> transition) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnTransitionEndEvent(source, transition));
}
}
@Override
public void publishTransition(Object source, Transition<?, ?> transition) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnTransitionEvent(source, transition));
}
}
@Override
public void publishStateMachineStart(Object source, StateMachine<?, ?> stateMachine) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnStateMachineStart(source, stateMachine));
}
}
@Override
public void publishStateMachineStop(Object source, StateMachine<?, ?> stateMachine) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnStateMachineStop(source, stateMachine));
}
}
@Override
public void publishStateMachineError(Object source, StateMachine<?, ?> stateMachine, Exception exception) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnStateMachineError(source, stateMachine, exception));
}
}
@Override
public void publishExtendedStateChanged(Object source, Object key, Object value) {
if (applicationEventPublisher != null) {
applicationEventPublisher.publishEvent(new OnExtendedStateChanged(source, key, value));
}
}
}