114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _STORE_STORCACH_HXX
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#define _STORE_STORCACH_HXX
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#include "sal/types.h"
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#include "rtl/ref.hxx"
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#include "store/types.h"
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#include "storbase.hxx"
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namespace store
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{
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/*========================================================================
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*
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* PageCache interface.
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*
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*======================================================================*/
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class PageCache : public rtl::IReference
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{
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public:
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/** load.
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*/
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storeError lookupPageAt (
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PageHolder & rxPage,
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sal_uInt32 nOffset);
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/** insert.
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*/
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storeError insertPageAt (
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PageHolder const & rxPage,
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sal_uInt32 nOffset);
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/** update, or insert.
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*/
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storeError updatePageAt (
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PageHolder const & rxPage,
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sal_uInt32 nOffset);
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/** remove (invalidate).
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*/
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storeError removePageAt (
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sal_uInt32 nOffset);
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private:
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/** Implementation (abstract).
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*/
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virtual storeError lookupPageAt_Impl (
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PageHolder & rxPage,
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sal_uInt32 nOffset) = 0;
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virtual storeError insertPageAt_Impl (
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PageHolder const & rxPage,
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sal_uInt32 nOffset) = 0;
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virtual storeError updatePageAt_Impl (
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PageHolder const & rxPage,
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sal_uInt32 nOffset) = 0;
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virtual storeError removePageAt_Impl (
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sal_uInt32 nOffset) = 0;
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};
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/*========================================================================
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*
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* PageCache factory.
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*
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*======================================================================*/
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storeError
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PageCache_createInstance (
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rtl::Reference< store::PageCache > & rxCache,
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sal_uInt16 nPageSize
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);
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/*========================================================================
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*
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* The End.
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*
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*======================================================================*/
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} // namespace store
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#endif /* !_STORE_STORCACH_HXX */
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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