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/**
* Copyright (C) 2009 The Android Open Source Project
*
* 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 com.android.internal.util;
import android.os.Message;
/**
* {@hide}
*
* The class for implementing states in a StateMachine
*/
public class State implements IState {
/**
* Constructor
*/
protected State() {
}
/* (non-Javadoc)
* @see com.android.internal.util.IState#enter()
*/
@Override
public void enter() {
}
/* (non-Javadoc)
* @see com.android.internal.util.IState#exit()
*/
@Override
public void exit() {
}
/* (non-Javadoc)
* @see com.android.internal.util.IState#processMessage(android.os.Message)
*/
@Override
public boolean processMessage(Message msg) {
return false;
}
/**
* Name of State for debugging purposes.
*
* This default implementation returns the class name, returning
* the instance name would better in cases where a State class
* is used for multiple states. But normally there is one class per
* state and the class name is sufficient and easy to get. You may
* want to provide a setName or some other mechanism for setting
* another name if the class name is not appropriate.
*
* @see com.android.internal.util.IState#processMessage(android.os.Message)
*/
@Override
public String getName() {
String name = getClass().getName();
int lastDollar = name.lastIndexOf('$');
return name.substring(lastDollar + 1);
}
}
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