/// <summary>
/// Decrement all indexes for items in the manager instances
/// </summary>
/// <param name="equalOrAboveStart">items with an index that is equal or above to this argument</param>
internal void DecrementItemIndex(int equalOrAboveStart)
{
foreach (var item in Items)
{
if (item.Key.State == ItemEntryState.Deleted && item.Value >= equalOrAboveStart)
{
ItemIndexDecrement itemDecrement = GetIndexDecrement(item.Key, true);
itemDecrement.DecrementValue++;
}
}
}
/// <summary>
/// Get an index decrement info instance
/// </summary>
/// <param name="entry">target item</param>
/// <param name="autoCreateNew">auto create new if not exists</param>
/// <returns>ItemIndexDecrement instance or null(if not autoCreateNew)</returns>
internal ItemIndexDecrement GetIndexDecrement(ItemEntry entry, bool autoCreateNew)
{
foreach (var item in _decrementMemory)
{
if (item.Item == entry)
{
return(item);
}
}
if (autoCreateNew)
{
ItemIndexDecrement newDecrement = new ItemIndexDecrement(entry);
_decrementMemory.Add(newDecrement);
return(newDecrement);
}
else
{
return(null);
}
}
/// <summary>
/// Get an index decrement info instance
/// </summary>
/// <param name="entry">target item</param>
/// <param name="autoCreateNew">auto create new if not exists</param>
/// <returns>ItemIndexDecrement instance or null(if not autoCreateNew)</returns>
internal ItemIndexDecrement GetIndexDecrement(ItemEntry entry, bool autoCreateNew)
{
foreach (var item in _decrementMemory)
{
if (item.Item == entry)
return item;
}
if (autoCreateNew)
{
ItemIndexDecrement newDecrement = new ItemIndexDecrement(entry);
_decrementMemory.Add(newDecrement);
return newDecrement;
}
else
return null;
}
