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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: IInterface.hxx,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef IINTERFACE_HXX_INCLUDED
#define IINTERFACE_HXX_INCLUDED
#include <sal/types.h>
/** The base interface
*/
class IInterface
{
public:
/** Aquire a reference to an instance. A caller shall release
the instance by calling 'release' when it is no longer needed.
'acquire' and 'release' calls need to be balanced.
@returns
the current reference count of the instance for debugging purposes.
*/
virtual sal_Int32 acquire() = 0;
/** Releases a reference to an instance. A caller has to call
'release' when a before aquired reference to an instance
is no longer needed. 'acquire' and 'release' calls need to
be balanced.
@returns
the current reference count of the instance for debugging purposes.
*/
virtual sal_Int32 release() = 0;
/** Returns the current reference count. This method should be used for
debugging purposes. Using it otherwise is a signal of a design flaw.
*/
virtual sal_Int32 getReferenceCount() const = 0;
protected:
virtual ~IInterface() {};
};
#endif // IDOCUMENT_HXX_INCLUDED
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