/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file is part of the LibreOffice project.
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 * 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 ucb {

/** provides read and write access to a fragment of the hierarchy data.
*/
published service HierarchyDataReadWriteAccess
{
    /** provides read access to a fragment of the hierarchy data
     */
    service HierarchyDataReadAccess;

    /** allows adding and removing of hierarchy data nodes, replacing of
        the value of hierarchy data node members, as well as obtaining the
        value of hierarchy data node members.

        <p>Adding and removing must only be supported if the access object
        points to the "Children" data member of a node or to the root node.
        It will insert a new node or remove an existing one. If supported
        on data nodes, adding must add new data members to the node, removing
        must remove data members. However, the mandatory data members (Title,
        TargetURL, Children) must never be removable.

        <p>Replacing and getting values must be supported be every data node.
     */
    interface com::sun::star::container::XNameContainer;

    /** gives access to all contents provided by this provider.

        <p>com::sun::star::lang::XSingleServiceFactory::createInstance()
        will create a new empty hierarchy data node. After it was created
        it's data members can be filled. Last, the node can be inserted as child
        of another node using
        com::sun::star::container::XNameContainer::insertByName().

        <p>There are no special arguments that must be supported by
        com::sun::star::lang::XSingleServiceFactory::createInstanceWithArguments()
     */
    interface com::sun::star::lang::XSingleServiceFactory;

    /** allows managing changes within the hierarchy.

        <p>com::sun::star::util::XChangesBatch::getPendingChanges()
        reports all changes within the hierarchy that are done through (direct
        or indirect) descendants of this element. The same set of changes is
        committed to persistent storage and/or made visible to other objects
        accessing the same data set, when
        com::sun::star::util::XChangesBatch::commitChanges()
        is invoked.
     */
    interface com::sun::star::util::XChangesBatch;
};


}; }; }; };

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