src/main/java/js/container/Timer.java
public synchronized void period(final PeriodicTask periodicTask, long period) {
		TimerTask task = new PeriodicTaskImpl(periodicTask);
		this.tasks.put(periodicTask, task);
		this.timer.schedule(task, 0L, period);
	}
public synchronized void period(final PeriodicTask periodicTask, long period) {
		TimerTask task = new PeriodicTaskImpl(periodicTask);
		this.tasks.put(periodicTask, task);
		this.timer.schedule(task, 0L, period);
	}
Schedule periodic task execution.

@param periodicTask periodic task instance,
@param period requested execution period, milliseconds.