private void ScheduleBatchLoadIfNeeded(object id, ISessionImplementor session)
{
//cannot batch fetch by unique key (property-ref associations)
if (uniqueKeyPropertyName == null && id != null)
{
IEntityPersister persister = session.Factory.GetEntityPersister(AssociatedClass);
EntityKey entityKey = new EntityKey(id, persister);
if (!session.ContainsEntity(entityKey))
{
session.BatchFetchQueue.AddBatchLoadableEntityKey(entityKey);
}
}
}
private ICollectionInitializer GetSubselectInitializer(object key, ISessionImplementor session)
{
if (!IsSubselectLoadable)
{
return null;
}
SubselectFetch subselect = session.BatchFetchQueue.GetSubselect(new EntityKey(key, OwnerEntityPersister));
if (subselect == null)
{
return null;
}
else
{
// Take care of any entities that might have
// been evicted!
ArrayList keysToRemove = new ArrayList();
foreach (EntityKey entityKey in subselect.Result)
{
if (!session.ContainsEntity(entityKey))
{
keysToRemove.Add(entityKey);
}
}
subselect.Result.RemoveAll(keysToRemove);
// Run a subquery loader
return CreateSubselectInitializer(subselect, session);
}
}