public AbstractEntityLoader(OuterJoinLoadable persister,
    Type uniqueKeyType,
    SessionFactoryImplementor factory,
    Map enabledFilters) 
{
		super( factory, enabledFilters );
		this.uniqueKeyType = uniqueKeyType;
		this.entityName = persister.getEntityName();
		this.persister = persister;
}

 protected Object getResultColumnOrRow(Object[] row,
    ResultTransformer transformer,
    ResultSet rs,
    SessionImplementor session) throws SQLException, HibernateException 
{
		return row[row.length-1];
}

 protected boolean isSingleRowLoader() 
{
		return true;
}

 public Object load(Serializable id,
    Object optionalObject,
    SessionImplementor session) throws HibernateException 
{
		return load(session, id, optionalObject, id);
}

 protected Object load(SessionImplementor session,
    Object id,
    Object optionalObject,
    Serializable optionalId) throws HibernateException 
{
		
		List list = loadEntity(
				session, 
				id, 
				uniqueKeyType, 
				optionalObject, 
				entityName, 
				optionalId, 
				persister
			);
		if ( list.size()==1 ) {
			return list.get(0);
		}
		else if ( list.size()==0 ) {
			return null;
		}
		else {
			if ( getCollectionOwners()!=null ) {
				return list.get(0);
			}
			else {
				throw new HibernateException(
						"More than one row with the given identifier was found: " +
						id +
						", for class: " +
						persister.getEntityName()
					);
			}
		}
}