pjs/rdf/base/idl/nsIRDFObserver.idl

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/* -*- 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 "nsISupports.idl"
#include "nsIRDFResource.idl"
#include "nsIRDFNode.idl"
// An nsIRDFObserver object is an observer that will be notified
// when assertions are made or removed from a datasource
[scriptable, uuid(3CC75360-484A-11D2-BC16-00805F912FE7)]
interface nsIRDFObserver : nsISupports {
// This method is called whenever a new assertion is made
// in the data source
void OnAssert(in nsIRDFResource aSource,
in nsIRDFResource aLabel,
in nsIRDFNode aTarget);
// This method is called whenever an assertion is removed
// from the data source
void OnUnassert(in nsIRDFResource aSource,
in nsIRDFResource aLabel,
in nsIRDFNode aTarget);
};