protected IRelationUpdateItem CloneRelation(IRelationUpdateItem original)
{
RelationUpdateItem clone = new RelationUpdateItem();
clone.MemberName = original.MemberName;
clone.AddedORIs = CloneObjRefs(original.AddedORIs);
clone.RemovedORIs = CloneObjRefs(original.RemovedORIs);
return(clone);
}
public IRelationUpdateItem BuildRUI()
{
RelationUpdateItem rui = new RelationUpdateItem();
rui.MemberName = memberName;
rui.AddedORIs = AddedORIs;
rui.RemovedORIs = RemovedORIs;
return(rui);
}
public IRelationUpdateItem CreateRUI(String memberName, IList <IObjRef> oldOriList, IList <IObjRef> newOriList)
{
if (oldOriList.Count == 0 && newOriList.Count == 0)
{
return(null);
}
IISet <IObjRef> oldSet = oldOriList.Count > 0 ? new CHashSet <IObjRef>(oldOriList) : EmptySet.Empty <IObjRef>();
IISet <IObjRef> newSet = newOriList.Count > 0 ? new CHashSet <IObjRef>(newOriList) : EmptySet.Empty <IObjRef>();
IISet <IObjRef> smallerSet = ((ICollection)oldSet).Count > ((ICollection)newSet).Count ? newSet : oldSet;
IISet <IObjRef> greaterSet = ((ICollection)oldSet).Count > ((ICollection)newSet).Count ? oldSet : newSet;
// Check unchanged ORIs
Iterator <IObjRef> smallerIter = smallerSet.Iterator();
while (smallerIter.MoveNext())
{
// Old ORIs, which exist as new ORIs, too, are unchanged
IObjRef objRef = smallerIter.Current;
if (greaterSet.Remove(objRef))
{
smallerIter.Remove();
}
}
if (((ICollection)oldSet).Count == 0 && ((ICollection)newSet).Count == 0)
{
return(null);
}
// Old ORIs are now handled as REMOVE, New ORIs as ADD
RelationUpdateItem rui = new RelationUpdateItem();
rui.MemberName = memberName;
if (((ICollection)oldSet).Count > 0)
{
rui.RemovedORIs = oldSet.ToArray();
}
if (((ICollection)newSet).Count > 0)
{
rui.AddedORIs = newSet.ToArray();
}
return(rui);
}
