nooptransition.java

mina是以Java实现的一个开源的网络程序框架

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 *  Licensed to the Apache Software Foundation (ASF) under one
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 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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 *
 *    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
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 *  specific language governing permissions and limitations
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package org.apache.mina.statemachine.transition;

import org.apache.mina.statemachine.State;
import org.apache.mina.statemachine.event.Event;

/**
 * {@link Transition} implementation which does nothing but change the state.
 *
 * @author The Apache MINA Project ([e-mail])
 * @version $Rev: 586695 $, $Date: 2007-10-20 12:01:17 +0200 (Sat, 20 Oct 2007) $
 */
public class NoopTransition extends AbstractTransition {

    /**
     * Creates a new instance which will loopback to the same {@link State} 
     * for the specified {@link Event} id.
     * 
     * @param eventId the {@link Event} id.
     */
    public NoopTransition(Object eventId) {
        super(eventId);
    }

    /**
     * Creates a new instance with the specified {@link State} as next state 
     * and for the specified {@link Event} id.
     * 
     * @param eventId the {@link Event} id.
     * @param nextState the next {@link State}.
     */
    public NoopTransition(Object eventId, State nextState) {
        super(eventId, nextState);
    }
    
    protected boolean doExecute(Event event) {
        return true;
    }
    
}