| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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.intellij.util.concurrency; |
| |
| import com.intellij.openapi.Disposable; |
| import com.intellij.openapi.application.ApplicationManager; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.LinkedList; |
| |
| |
| /** |
| * @deprecated use lightweight com.intellij.util.concurrency.QueueProcessor instead |
| */ |
| public class WorkerThread implements Runnable, Disposable { |
| private final LinkedList<Runnable> myTasks = new LinkedList<Runnable>(); |
| private boolean myToDispose = false; |
| private boolean myDisposed = false; |
| private final int mySleep; |
| private final String myName; |
| |
| public WorkerThread(@NonNls String name, int sleep) { |
| mySleep = sleep; |
| myName = name; |
| } |
| |
| public void start() { |
| ApplicationManager.getApplication().executeOnPooledThread(this); |
| } |
| |
| public boolean addTask(Runnable action) { |
| synchronized(myTasks){ |
| if(myDisposed) return false; |
| |
| myTasks.add(action); |
| myTasks.notifyAll(); |
| return true; |
| } |
| } |
| |
| public boolean addTaskFirst(@NotNull Runnable action) { |
| synchronized(myTasks){ |
| if(myDisposed) return false; |
| |
| myTasks.add(0, action); |
| myTasks.notifyAll(); |
| return true; |
| } |
| } |
| |
| @Override |
| public void dispose() { |
| dispose(true); |
| } |
| |
| public void dispose(boolean cancelTasks){ |
| synchronized(myTasks){ |
| if (cancelTasks){ |
| myTasks.clear(); |
| } |
| myToDispose = true; |
| myTasks.notifyAll(); |
| } |
| } |
| |
| public void cancelTasks() { |
| synchronized(myTasks){ |
| myTasks.clear(); |
| myTasks.notifyAll(); |
| } |
| } |
| |
| public boolean isDisposeRequested() { |
| synchronized(myTasks){ |
| return myToDispose; |
| } |
| } |
| |
| public boolean isDisposed() { |
| synchronized(myTasks){ |
| return myDisposed; |
| } |
| } |
| |
| @Override |
| public void run() { |
| while (true) { |
| while (true) { |
| Runnable task; |
| synchronized (myTasks) { |
| if (myTasks.isEmpty()) break; |
| task = myTasks.removeFirst(); |
| } |
| task.run(); |
| try { |
| if (mySleep > 0) { |
| Thread.sleep(mySleep); |
| } |
| } |
| catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| synchronized (myTasks) { |
| if (myToDispose && myTasks.isEmpty()) { |
| myDisposed = true; |
| return; |
| } |
| |
| try { |
| myTasks.wait(); |
| } |
| catch (InterruptedException ignored) { |
| } |
| } |
| } |
| } |
| } |