public boolean match(ScheduleItem item) {
		long runtime = 0;
		if(item instanceof SSGridlet) {
			runtime = forecastExecutionTime((SSGridlet)item);
		} else {
			runtime = ((ServerReservation)item).getDurationTime();
		}
		
		if(runtime < minRuntime || runtime >= maxRuntime) {
			return false;
		}
		
		return true;
	}