001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.statemachine.transition; 021 022import org.apache.mina.statemachine.context.StateContext; 023import org.apache.mina.statemachine.State; 024 025/** 026 * Abstract {@link SelfTransition} implementation. 027 * 028 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 029 */ 030 031public abstract class AbstractSelfTransition implements SelfTransition { 032 /** 033 * Creates a new instance 034 */ 035 public AbstractSelfTransition() { 036 037 } 038 039 /** 040 * Executes this {@link SelfTransition}. 041 * 042 * @param stateContext the context in which the execution should occur 043 * @param state the current state 044 * @return <tt>true</tt> if the {@link SelfTransition} has been executed 045 * successfully 046 */ 047 protected abstract boolean doExecute(StateContext stateContext, State state); 048 049 /** 050 * {@inheritDoc} 051 */ 052 public boolean execute(StateContext stateContext, State state) { 053 054 return doExecute(stateContext, state); 055 } 056}