/// <summary> Deletes from the persistent storage all Attribute entities which have data in common with the specified related Entities. If one is omitted, that entity is not used as a filter.</summary>
/// <remarks>Runs directly on the persistent storage. It will not delete entity objects from the current collection.</remarks>
/// <param name="attributeTypeInstance">AttributeTypeEntity instance to use as a filter for the AttributeEntity objects to return</param>
/// <param name="contextInstance">ContextEntity instance to use as a filter for the AttributeEntity objects to return</param>
/// <returns>Amount of entities affected, if the used persistent storage has rowcounting enabled.</returns>
public int DeleteMultiManyToOne(IEntity attributeTypeInstance, IEntity contextInstance)
{
AttributeDAO dao = DAOFactory.CreateAttributeDAO();
return(dao.DeleteMulti(base.Transaction, attributeTypeInstance, contextInstance));
}
