protected override object ProcessCollection(object collection, PersistentCollectionType type)
{
ICollectionPersister persister = Session.GetCollectionPersister(type.Role);
if (collection == null)
{
// Do nothing
}
else if (collection is PersistentCollection)
{
PersistentCollection coll = (PersistentCollection)collection;
if (coll.SetCurrentSession(Session))
{
ICollectionSnapshot snapshot = coll.CollectionSnapshot;
if (SessionImpl.IsOwnerUnchanged(snapshot, persister, this.Key))
{
// a "detached" collection that originally belonged to the same entity
if (snapshot.Dirty)
{
throw new HibernateException("reassociated object has dirty collection");
}
Session.ReattachCollection(coll, snapshot);
}
else
{
// a "detached" collection that belonged to a different entity
throw new HibernateException("reassociated object has dirty collection reference");
}
}
else
{
// a collection loaded in the current session
// can not possibly be the collection belonging
// to the entity passed to update()
throw new HibernateException("reassociated object has dirty collection reference");
}
}
else
{
// brand new collection
//TODO: or an array!! we can't lock objects with arrays now??
throw new HibernateException("reassociated object has dirty collection reference");
}
return(null);
}
protected override object ProcessCollection(object collection, PersistentCollectionType type)
{
ICollectionPersister persister = Session.GetCollectionPersister(type.Role);
if (collection is PersistentCollection)
{
PersistentCollection wrapper = (PersistentCollection)collection;
if (wrapper.SetCurrentSession(Session))
{
//a "detached" collection!
ICollectionSnapshot snapshot = wrapper.CollectionSnapshot;
if (!SessionImpl.IsOwnerUnchanged(snapshot, persister, Key))
{
// if the collection belonged to a different entity,
// clean up the existing state of the collection
Session.RemoveCollection(persister, Key);
}
Session.ReattachCollection(wrapper, snapshot);
}
else
{
// a collection loaded in the current session
// can not possibly be the collection belonging
// to the entity passed to update()
Session.RemoveCollection(persister, Key);
}
}
else
{
// null or brand new collection
// this will also (inefficiently) handle arrays, which have
// no snapshot, so we can't do any better
Session.RemoveCollection(persister, Key);
//processArrayOrNewCollection(collection, type);
}
return(null);
}