/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
 */



module com {   module sun {   module star {   module rdf {

/** represents an RDF named graph that is stored in an RDF Repository.

    <p>
    Note that this interface inherits from XResource: the
    name of the graph is the string value of the RDF node.
    This is so that you can easily make RDF statements about named graphs.
    </p>

    <p>
    Note that instances may be destroyed via
    XRepository::destroyGraph().
    If a graph is destroyed, subsequent calls to addStatement(),
    removeStatements() will fail with an
    com::sun::star::container::NoSuchElementException.
    </p>

    @since OOo 3.2

    @see XRepository
 */
interface XNamedGraph : XURI
{

    /** returns the name of the graph.

        <p>
        The name is unique within the repository.
        </p>

        @returns
            the name of the graph
     */
    XURI getName();

    /** removes all statements from the graph.

        @throws com::sun::star::container::NoSuchElementException
            if this graph does not exist in the repository any more

        @throws RepositoryException
            if an error occurs when accessing the repository.
     */
    void clear()
        raises( com::sun::star::container::NoSuchElementException,
                RepositoryException );

    /** adds a RDF statement to the graph.

        <p>
        Note that the ODF elements that can have metadata attached all
        implement the interface XMetadatable, which inherits
        from XResource, meaning that you can simply pass them
        in as arguments here, and it will magically work.
        </p>

        @param Subject
            the subject of the RDF triple.

        @param Predicate
            the predicate of the RDF triple.

        @param Object
            the object of the RDF triple.

        @throws com::sun::star::lang::IllegalArgumentException
            if any parameter is `NULL`

        @throws com::sun::star::container::NoSuchElementException
            if this graph does not exist in the repository any more

        @throws RepositoryException
            if an error occurs when accessing the repository.
     */
    void addStatement([in] XResource Subject,
            [in] XURI Predicate,
            [in] XNode Object)
        raises( com::sun::star::lang::IllegalArgumentException,
                com::sun::star::container::NoSuchElementException,
                RepositoryException );

    /** removes matching RDF statements from the graph.

        <p>
        Note that the ODF elements that can have metadata attached all
        implement the interface XMetadatable, which inherits
        from XResource, meaning that you can simply pass them
        in as arguments here, and it will magically work.
        </p>

        <p>
        Any parameter may be `NULL`, which acts as a wildcard.
        For example, to remove all statements about myURI:
        <code>removeStatement(myURI, null, null)</code>
        </p>

        @param Subject
            the subject of the RDF triple.

        @param Predicate
            the predicate of the RDF triple.

        @param Object
            the object of the RDF triple.

        @throws com::sun::star::container::NoSuchElementException
            if this graph does not exist in the repository any more

        @throws RepositoryException
            if an error occurs when accessing the repository.
     */
    void removeStatements([in] XResource Subject,
            [in] XURI Predicate,
            [in] XNode Object)
        raises( com::sun::star::container::NoSuchElementException,
                RepositoryException );

    /** gets matching RDF statements from a graph.

        <p>
        Note that the ODF elements that can have metadata attached all
        implement the interface XMetadatable, which inherits
        from XResource, meaning that you can simply pass them
        in as arguments here, and it will magically work.
        </p>

        <p>
        Any parameter may be `NULL`, which acts as a wildcard.
        For example, to get all statements about myURI:
        <code>getStatements(myURI, null, null)</code>
        </p>

        @param Subject
            the subject of the RDF triple.

        @param Predicate
            the predicate of the RDF triple.

        @param Object
            the object of the RDF triple.

        @returns
            an iterator over all RDF statements in the graph that match
            the parameters, represented as an
            enumeration of Statement

        @throws com::sun::star::container::NoSuchElementException
            if this graph does not exist in the repository any more

        @throws RepositoryException
            if an error occurs when accessing the repository.

        @see Statement
     */
    com::sun::star::container::XEnumeration/*<Statement>*/ getStatements(
            [in] XResource Subject,
            [in] XURI Predicate,
            [in] XNode Object)
        raises( com::sun::star::container::NoSuchElementException,
                RepositoryException );

//FIXME reification: addReifiedStatement(Statement)...
};


}; }; }; };

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */