public static IShipmentItemCommand ToCreateOrMergePatchShipmentItem <TCreateShipmentItem, TMergePatchShipmentItem>(this IShipmentItemState state)
where TCreateShipmentItem : ICreateShipmentItem, new()
where TMergePatchShipmentItem : IMergePatchShipmentItem, new()
{
bool bUnsaved = ((IShipmentItemState)state).IsUnsaved;
if (bUnsaved)
{
return(state.ToCreateShipmentItem <TCreateShipmentItem>());
}
else
{
return(state.ToMergePatchShipmentItem <TMergePatchShipmentItem>());
}
}
