Android Open Source - RZAndroidBaseUtils One Shot Lock

• Back to Development/utility  ↑

From Project

Back to project page RZAndroidBaseUtils.

License

The source code is released under:

MIT License

Java Source Code

package com.raizlabs.synchronization;
//from  w  w  w  .  jav a 2 s  . c  o m
/**
 * A class which is locked until {@link #unlock()} is called.
 * Calling {@link #waitUntilUnlocked()} will block until this has
 * happened. You may synchronize on this object to lock its state.
 * 
 * @author Dylan James
 *
 */
public class OneShotLock {
  private boolean unlocked;
  /**
   * @return True if {@link #unlock()} has been called
   */
  public boolean isUnlocked() { return unlocked; }
  
  public OneShotLock() {
    unlocked = false;
  }
  
  /**
   * Unlocks this lock
   */
  public void unlock() {
    synchronized (this) {
      unlocked = true;
      notifyAll();
    }
  }
  
  /**
   * Blocks until this {@link OneShotLock} is unlocked via a call
   * to {@link #unlock()}. If this has already been unlocked, it
   * will return immediately.
   */
  public void waitUntilUnlocked() {
    synchronized (this) {
      while (!unlocked) {
        try {
          wait();
        } catch (InterruptedException e) { }
      }
    }
  }
}

Java Source Code List

• Back to Development/utility  ↑