/*
* 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.state;
import java.util.List;
import org.springframework.statemachine.StateContext;
import org.springframework.util.Assert;
/**
* Exitpoint implementation of a {@link PseudoState}.
*
* @author Janne Valkealahti
*
* @param <S> the type of state
* @param <E> the type of event
*/
public class ExitPseudoState<S, E> implements PseudoState<S, E> {
private StateHolder<S, E> state;
/**
* Instantiates a new exit pseudo state.
*
* @param state the state
*/
public ExitPseudoState(StateHolder<S, E> state) {
Assert.notNull(state, "Holder must be set");
this.state = state;
}
@Override
final public PseudoStateKind getKind() {
return PseudoStateKind.EXIT;
}
@Override
public State<S, E> entry(StateContext<S, E> context) {
return state.getState();
}
@Override
public void exit(StateContext<S, E> context) {
}
@Override
public void addPseudoStateListener(PseudoStateListener<S, E> listener) {
}
@Override
public void setPseudoStateListeners(List<PseudoStateListener<S, E>> listeners) {
}
/**
* Gets the state holder.
*
* @return the state holder
*/
public StateHolder<S, E> getStateHolder() {
return state;
}
}