pjs/rdf/base/idl/rdfIDataSource.idl

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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <bsmedberg@covad.net>.
* Portions created by the Initial Developer are Copyright (C) 2004
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Axel Hecht <axel@pike.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
interface rdfITripleVisitor;
/**
* Interface used in RDF to describe data sources.
*
* @status PLASMA
*/
[scriptable, uuid(ebce86bd-1568-4a34-a808-9ccf9cde8087)]
interface rdfIDataSource : nsISupports
{
/**
* Visit all the subject resources in the datasource. The order is
* intederminate and may change from one invocation to the next.
* The subjects will be in the aSubject argument in calls into
* aVisitor, aPredicate and aObject will be null.
* @note Implementations may throw NS_ERROR_NOT_IMPLEMENTED for
* this method, but in this case RDF serializations of this
* datasource will not be possible.
*/
void visitAllSubjects(in rdfITripleVisitor aVisitor);
/**
* Visit all the triples in the datasource. The order is
* intederminate and may change from one invocation to the next.
* @note Implementations may throw NS_ERROR_NOT_IMPLEMENTED for
* this method, but in this case RDF serializations of this
* datasource will not be possible.
*/
void visitAllTriples(in rdfITripleVisitor aVisitor);
};