package org.gcube.application.framework.core.session;

import java.util.concurrent.Semaphore;

class Notifier {

	Semaphore sem;
	
	Notifier() {
		 sem = new Semaphore(0, true);
	}

	
	public void waitNotification() throws InterruptedException
	{
		sem.acquire();
		System.out.println("\n\njust woke up!!!\n\n");
	}
	
	public void notifyAllWaiting() throws InterruptedException
	{
		System.out.println("Sending wake up signal to " + sem.getQueueLength() + " receivers...");
		sem.release(sem.getQueueLength()); 
	}
}