public void addFixedDelayedScheduledTask(Runnable runnable, int delay) {
		final ScheduledFuture scheduledFuture = taskScheduler.scheduleWithFixedDelay(runnable, delay);
		scheduledRunnable.put(runnable, scheduledFuture);
	}
Convenient class which makes scheduled task.

@since 3.3
ngrinder-controller/src/main/java/org/ngrinder/infra/schedule/ScheduledTaskService.java