public CollectionEndPointSetCollectionCommand(
ICollectionEndPoint modifiedEndPoint,
DomainObjectCollection newCollection,
IDomainObjectCollectionData modifiedCollectionData,
ICollectionEndPointCollectionManager collectionEndPointCollectionManager,
IClientTransactionEventSink transactionEventSink)
: base(
ArgumentUtility.CheckNotNull("modifiedEndPoint", modifiedEndPoint),
null,
null,
ArgumentUtility.CheckNotNull("transactionEventSink", transactionEventSink))
{
ArgumentUtility.CheckNotNull("newCollection", newCollection);
ArgumentUtility.CheckNotNull("modifiedCollectionData", modifiedCollectionData);
ArgumentUtility.CheckNotNull("collectionEndPointCollectionManager", collectionEndPointCollectionManager);
if (modifiedEndPoint.IsNull)
{
throw new ArgumentException("Modified end point is null, a NullEndPointModificationCommand is needed.", "modifiedEndPoint");
}
_newCollection = newCollection;
_modifiedCollectionData = modifiedCollectionData;
_collectionEndPointCollectionManager = collectionEndPointCollectionManager;
var oldOppositeObjects = ModifiedCollectionData;
_removedObjects = oldOppositeObjects.Where(oldObject => !NewCollection.Contains(oldObject.ID)).ToArray();
var newOppositeObjects = NewCollection.Cast <DomainObject> ();
_addedObjects = newOppositeObjects.Where(newObject => !ModifiedCollectionData.ContainsObjectID(newObject.ID)).ToArray();
}
public override void Perform()
{
// After this operation, NewCollection will be associated with the end-point and ModifiedEndPoint.Collection will return NewCollection.
// The previous ModifiedEndPoint.Collection will be a standalone copy of the end-point data.
var oldDataStrategyOfNewCollection = CollectionEndPointCollectionManager.AssociateCollectionWithEndPoint(NewCollection);
// Now, replace end-point's data with the data that was held by NewCollection before it was associated.
ModifiedCollectionData.ReplaceContents(oldDataStrategyOfNewCollection);
ModifiedEndPoint.Touch();
}
public override void Perform()
{
ModifiedCollectionData.Remove(OldRelatedObject);
ModifiedEndPoint.Touch();
}
public override void Perform()
{
ModifiedCollectionData.Insert(Index, NewRelatedObject);
ModifiedEndPoint.Touch();
}
