| /* |
| * 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 com.android.ddmuilib; |
| |
| import com.android.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; |
| } |
| |
| } |