/// <summary>
/// Method to get the index into the List{} in the base collection for an item that may or may
/// not be in the collection. Returns -1 if not found.
/// </summary>
protected override int GetItemIndex(T itemToFind)
{
int keyToFind = GetKeyForItem(itemToFind);
return(BaseList.FindIndex((T existingItem) =>
GetKeyForItem(existingItem).Equals(keyToFind)));
}
public void Commit()
{
BaseList.AddRange(_toAdd);
BaseList.RemoveAll(x => _toDelete.Any(y => y.TransactionalListEquals(x)));
foreach (var item in _toUpdate)
{
var ind = BaseList.FindIndex(x => x.TransactionalListEquals(item));
BaseList[ind] = item;
}
_toAdd.Clear();
_toDelete.Clear();
_toUpdate.Clear();
}