/// <summary>
/// O(n^2)
/// </summary>
/// <param name="delete"></param>
public void DeleteCargoWays(List <CargoWays> delete)
{
List <DAL.CargoWays> todel = new List <DAL.CargoWays>();
HashSet <DAL.CargoWays> has = new HashSet <DAL.CargoWays>();
foreach (CargoWays c in delete)
{
//there may be multiple reference of the same DAL_instance, so we check here
if (has.Contains(c.DAL_GetCargoWay()))
{
continue;
}
todel.Add(c.DAL_GetCargoWay());
has.Add(c.DAL_GetCargoWay());
}
DAL.CargoWayDA.ICargoWaysDA cargoWaysDA = new DAL.CargoWayDA.CargoWaysDAO();
//database
cargoWaysDA.DeleteCargoWays(todel);
//memory
foreach (Entity.CargoWays c in delete)
{
_DAL_CargoWays.Remove(c.DAL_GetCargoWay());
_map.CargoWays.Remove(c);
}
}
/// <summary>
/// O(n), normally the cargoways will not be deleted, except for recalculation
/// </summary>
public void DeleteAllCargoWays()
{
DAL.CargoWayDA.ICargoWaysDA cargoWaysDA = new DAL.CargoWayDA.CargoWaysDAO();
//database
cargoWaysDA.DeleteCargoWays(_DAL_CargoWays);
//memory
_DAL_CargoWays.Clear();
_map.CargoWays.Clear();
}