private ParkingSession(long id, Entrance entrance, Vehicle vehicle, Valet valet, ParkingPlace parkingPlace, ParkingPeriod parkingPeriod)
{
_id = id;
Entrance = entrance;
Vehicle = vehicle;
Valet = valet;
ParkingPlace = parkingPlace;
ParkingPeriod = parkingPeriod;
}
public void End(Exit exit)
{
Exit = exit;
ParkingPeriod = new ParkingPeriod(ParkingPeriod.Start, DateTime.Now);
}