1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.mina.statemachine.transition;
21
22 import org.apache.mina.statemachine.context.StateContext;
23 import org.apache.mina.statemachine.State;
24
25 /**
26 * Abstract {@link SelfTransition} implementation.
27 *
28 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
29 */
30
31 public abstract class AbstractSelfTransition implements SelfTransition {
32 /**
33 * Creates a new instance
34 */
35 public AbstractSelfTransition() {
36
37 }
38
39 /**
40 * Executes this {@link SelfTransition}.
41 *
42 * @param stateContext the context in which the execution should occur
43 * @param state the current state
44 * @return <tt>true</tt> if the {@link SelfTransition} has been executed
45 * successfully
46 */
47 protected abstract boolean doExecute(StateContext stateContext, State state);
48
49 /**
50 * {@inheritDoc}
51 */
52 public boolean execute(StateContext stateContext, State state) {
53
54 return doExecute(stateContext, state);
55 }
56 }