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/* -*- 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 .
 */

#ifndef __com_sun_star_util_XLockable_idl__
#define __com_sun_star_util_XLockable_idl__

#include <com/sun/star/util/NotLockedException.idl>


module com { module sun { module star { module util {


/** allows locking a component

    <p><code>lock</code> and <code>unlock</code> calls can be nested. However, they must be in
    pairs. As long as there has been one more call to <code>lock</code> than to <code>unlock</code>, the
    component is considered locked, which is reflected by <member>isLocked</member> returning <TRUE/>.</p>
 */
interface XLockable
{
    /** locks</a> the component

        @see unlock
        @see isLocked
    */
    void    lock();

    /** unlocks the component

        @throws NotLockedException
            if the component is not currently locked.

        @see lock
        @see isLocked
    */
    void    unlock()
        raises  (   NotLockedException
                );

    /** determines whether the component is currently locked.

        @see lock
        @see unlock
    */
    boolean isLocked();
};


}; }; }; };


#endif

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