public void setPassengersCount(int passengersCount) throws OutOfRangeException {

		if ((passengersCount < 0)|| (passengersCount > MAX_PASSENGER_SCOUNT)){
			logger.error("wrong passengers count argument: " + passengersCount );
			throw new OutOfRangeException();
		}
		this.passengersCount = passengersCount;
	}