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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 INCLUDED_SW_INC_IINTERFACE_HXX
#define INCLUDED_SW_INC_IINTERFACE_HXX
#include <sal/types.h>
/** The base interface
*/
class IInterface
{
public:
/** Acquire 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 acquired 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 // INCLUDED_SW_INC_IINTERFACE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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