@Override
	public void changeProductionInCityAt(Position p, String unitType) 
	{
		City c = getCityAt(p);
		if(getPlayerInTurn().equals(c.getOwner())){
			if(unitType == GameConstants.ARCHER || unitType == GameConstants.LEGION
					|| unitType == GameConstants.SETTLER){
				CityImpl city = (CityImpl) c;
				city.setProduction(unitType);
			}
		}

	}