FrameLock.java

package mpe;

import java.util.concurrent.Semaphore;

/**
 * Used as a wrapper for a binary semaphore to signal when a frame can be drawn.
 * @author Brandt Westing TACC
 *
 */
public class FrameLock {
	
	Semaphore frameLock_;
	
	public FrameLock()
	{
		frameLock_ = new Semaphore(1);
	}
	
	/**
	 * 
	 */
	public void acquire()
	{
		try {
			frameLock_.acquire();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public void release()
	{
		frameLock_.release();
	}

}