gecko-dev/rdf/base/idl/nsIRDFCompositeDataSource.idl

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#include "nsIRDFDataSource.idl"

// An nsIRDFCompositeDataSource composes individual data sources, providing
// the illusion of a single, coherent RDF graph.
[scriptable, uuid(96343820-307C-11D2-BC15-00805F912FE7)]
interface nsIRDFCompositeDataSource : nsIRDFDataSource {

    attribute boolean	allowNegativeAssertions;	// true by default
    attribute boolean	coalesceDuplicateArcs;		// true by default

    // Add a datasource the the database.
    void AddDataSource(in nsIRDFDataSource aDataSource);

    // Remove a datasource from the database
    void RemoveDataSource(in nsIRDFDataSource aDataSource);
};

%{C++
extern nsresult
NS_NewRDFCompositeDataSource(nsIRDFCompositeDataSource** result);
%}