/// <summary>
/// Iterate just the elements of the collection that are already there. Don't load
/// any new elements from the database.
/// </summary>
public static IEnumerable GetLoadedElementsIterator(ISessionImplementor session, CollectionType collectionType, object collection)
{
if (CollectionIsInitialized(collection))
{
// handles arrays and newly instantiated collections
return collectionType.GetElementsIterator(collection, session);
}
else
{
// does not handle arrays (that's ok, cos they can't be lazy)
// or newly instantiated collections, so we can do the cast
return ((IPersistentCollection)collection).QueuedAdditionIterator;
}
}
/// <summary>
/// Given a collection, get an iterator of all its children, loading them
/// from the database if necessary.
/// </summary>
/// <param name="session">The session within which the cascade is occurring. </param>
/// <param name="collectionType">The mapping type of the collection. </param>
/// <param name="collection">The collection instance. </param>
/// <returns> The children iterator. </returns>
private static IEnumerable GetAllElementsIterator(IEventSource session, CollectionType collectionType, object collection)
{
return collectionType.GetElementsIterator(collection, session);
}
