CompletionHelper(object internalInstance)
{
MatchesPattern = (MatchesPatternDelegate)completionHelperType
.GetMethod(nameof(MatchesPattern))
.CreateDelegate(typeof(MatchesPatternDelegate), internalInstance);
CompareItems = (CompareItemsDelegate)completionHelperType
.GetMethod(nameof(CompareItems))
.CreateDelegate(typeof(CompareItemsDelegate), internalInstance);
}
/// <summary>
/// Public constructor for direct use of this class.
/// </summary>
/// <param name="compareItemsCallback">Delegate for comparing identity of items in the source and destination collections.</param>
/// <param name="addItemCallback">Delegate for adding items to the destination collection.</param>
/// <param name="updateItemCallback">Delegate for updating items in the destination collection, or null if items should not be updated.</param>
/// <param name="removeCallback">Delegate for removing items from the destination collection, or null if items should not be removed.</param>
public CollectionSynchronizeHelper(
CompareItemsDelegate compareItemsCallback,
AddItemDelegate addItemCallback,
UpdateItemDelegate updateItemCallback,
RemoveItemDelegate removeCallback)
{
_compareItemsCallback = compareItemsCallback;
_addItemCallback = addItemCallback;
_updateItemCallback = updateItemCallback;
_removeItemCallback = removeCallback;
_allowUpdate = _updateItemCallback != null;
_allowRemove = _removeItemCallback != null;
}