public void deletePickupRS(){
  int old=_pickupRS;
  _pickupRS--;
  setDirtyAndFirePropertyChange("locationDeletePickupRS",Integer.toString(old),Integer.toString(_pickupRS));
}

public void deletePickupRS ( ) { int old = _pickupRS ; _pickupRS -- ; setDirtyAndFirePropertyChange ( "locationDeletePickupRS" , Integer . toString ( old ) , Integer . toString ( _pickupRS ) ) ; }
decrements the number of cars and or engines that will be picked up by a train at this location .
