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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_uno_XUnloadingPreference_idl__
#define __com_sun_star_uno_XUnloadingPreference_idl__
#include <com/sun/star/uno/XInterface.idl>
module com { module sun { module star { module uno {
/** Components can implement <code>XUnloadingPreference</code> in order to indicate
how they should be treated when their hosting library is to be unloaded.
When someone calls <code>rtl_unloadUnusedModules</code> then the unloading
listeners are notified by calling previously registered callback
functions. A listener is an entity that employs, registers, and
unregisters the callback functions on its behalf. Upon notification
(the callback function is being called)
a listener may release references to UNO components. Thus, the
loaded libraries can be unloaded, if no one else keeps any
objects from the library alive. <br>
Before a listener releases references, it should ask for this interface.
If the interface is not implemented, then the listener may release the
object; otherwise, it calls <code>releaseOnNotification</code>. If the function
returns false then the listener should keep the reference, otherwise
it may release it.
*/
published interface XUnloadingPreference: com::sun::star::uno::XInterface
{
/**
The return value determines if the object wants to stay
alive in case of an unloading procedure.
@return
<FALSE/>do not release references to this object,otherwise
<TRUE/>
*/
boolean releaseOnNotification();
};
}; }; }; };
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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