private synchronized void enableTickExecutorService() {
        if (null == periodicTickExecutorService) {
            periodicTickExecutorService = new ScheduledThreadPoolExecutor(1, getThreadFactory("TileTick", true));
        }
    }
Calling this method will check the current time against all Alarm
objects in alarms. The Alarm object will fire events in case the
time is after the alarm time.
@param TIME
src/main/java/eu/hansolo/tilesfx/Tile.java