/*
* Copyright (C) 2007 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 pl.polidea.lab.microlog4e.ddmuilib;
import pl.polidea.lab.microlog4e.ddmlib.Log;
/**
* base background thread class. The class provides a synchronous quit method
* which sets a quitting flag to true. Inheriting classes should regularly test
* this flag with <code>isQuitting()</code> and should finish if the flag is
* true.
*/
public abstract class BackgroundThread extends Thread {
private boolean mQuit = false;
/**
* Tell the thread to exit. This is usually called from the UI thread. The
* call is synchronous and will only return once the thread has terminated
* itself.
*/
public final void quit() {
mQuit = true;
Log.d("ddms", "Waiting for BackgroundThread to quit");
try {
this.join();
} catch (InterruptedException ie) {
ie.printStackTrace();
}
}
/** returns if the thread was asked to quit. */
protected final boolean isQuitting() {
return mQuit;
}
}
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