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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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 _STORE_OBJECT_HXX_
#define _STORE_OBJECT_HXX_
#include "sal/types.h"
#include "rtl/ref.hxx"
#include "osl/interlck.h"
namespace store
{
/*========================================================================
*
* IStoreHandle interface.
*
*======================================================================*/
class IStoreHandle : public rtl::IReference
{
public:
/** Replaces dynamic_cast type checking.
*/
virtual sal_Bool SAL_CALL isKindOf (sal_uInt32 nTypeId) = 0;
protected:
~IStoreHandle() {}
};
/** Template helper function as dynamic_cast replacement.
*/
template<class store_handle_type>
store_handle_type * SAL_CALL query (
IStoreHandle * pHandle, store_handle_type *);
/*========================================================================
*
* OStoreObject interface.
*
*======================================================================*/
class OStoreObject : public store::IStoreHandle
{
/** Template function specialization as dynamic_cast replacement.
*/
friend OStoreObject*
SAL_CALL query<> (IStoreHandle *pHandle, OStoreObject*);
public:
/** Construction.
*/
OStoreObject (void);
/** Allocation.
*/
static void* operator new (size_t n);
static void operator delete (void *p);
/** IStoreHandle.
*/
virtual sal_Bool SAL_CALL isKindOf (sal_uInt32 nTypeId);
/** IReference.
*/
virtual oslInterlockedCount SAL_CALL acquire (void);
virtual oslInterlockedCount SAL_CALL release (void);
protected:
/** Destruction.
*/
virtual ~OStoreObject (void);
private:
/** The IStoreHandle TypeId.
*/
static const sal_uInt32 m_nTypeId;
/** Representation.
*/
oslInterlockedCount m_nRefCount;
/** Not implemented.
*/
OStoreObject (const OStoreObject&);
OStoreObject& operator= (const OStoreObject&);
};
/** Template function specialization as dynamic_cast replacement.
*/
template<> inline OStoreObject*
SAL_CALL query (IStoreHandle *pHandle, OStoreObject*)
{
if (pHandle && pHandle->isKindOf (OStoreObject::m_nTypeId))
{
// Handle is kind of OStoreObject.
return static_cast<OStoreObject*>(pHandle);
}
return 0;
}
/*========================================================================
*
* The End.
*
*======================================================================*/
} // namespace store
#endif /* !_STORE_OBJECT_HXX_ */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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