class TimerLogic implements RunnableService {

	public String deleteAllTimers() {
		int counter = 0;
		for (Timer t : this.timerStorage.getAll()) {
			counter++;
			this.timerbeep.stopBeep(t);
			this.timerStorage.deleteById(t.getPersistentId());
		}
		if (counter == 0) {
			return "No timers found";
		}
		return counter + " timers deleted";
	}

}