Android Open Source - Rss-App-for-tumblr Simple Task

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License

The source code is released under:

GNU General Public License

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Java Source Code

/**
 * Ace Shooting//w w w. ja va 2s .  c o m
 *
 * Copyright (c) 2012 Stefan Handschuh
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

package com.aceshooting.rssapp;


public abstract class SimpleTask implements Runnable {
  private boolean canceled = false;
  
  private int postCount = 0;
  
  public abstract void runControlled();
  
  public void cancel() {
    canceled = true;
  }
  
  public boolean isCanceled() {
    return canceled;
  }
  
  public void post() {
    post(1);
  }
  
  public synchronized void post(int count) {
    postCount += count;
    canceled = false;
  }
  
  public boolean isPosted() {
    return postCount > 0;
  }
  
  public int getPostCount() {
    return postCount;
  }

  public final synchronized void run() {
    if (!canceled) {
      runControlled();
    }
    postRun();
    postCount--;
  }
  
  /**
   * Override to use
   */
  public void postRun() {
    
  }

  public void enable() {
    canceled = false;
  }

}

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