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-/*************************************************************************
- *
- * 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 CONFIGMGR_CACHELINE_HXX
-#define CONFIGMGR_CACHELINE_HXX
-
-#include "configpath.hxx"
-#include "requesttypes.hxx"
-#include "utility.hxx"
-#include "treefragment.hxx"
-#include <osl/interlck.h>
-#include <rtl/ref.hxx>
-#include <salhelper/simplereferenceobject.hxx>
-
-namespace configmgr
-{
- /** This object represents a cache line for a single configuration tree
- */
- class CacheLine: public salhelper::SimpleReferenceObject
- {
- public:
- // create a new CacheLine for the given component name
- static rtl::Reference<CacheLine>
- createNew( rtl::OUString const & _aModuleName );
-
- // create a new CacheLine attached to the given memory location
- static rtl::Reference<CacheLine>
- createAttached( rtl::OUString const & _aModuleName, sharable::TreeFragment * _aLocation );
-
- bool hasDefaults() const;
-
- bool isEmpty() const { return m_base == NULL; }
- sharable::TreeFragment * getTreeAddress() const { return m_base; }
- sharable::TreeFragment * getPartialTree(configuration::AbsolutePath const & _aTemplatePath ) const;
- sharable::Node * getNode(configuration::AbsolutePath const & _aPath) const;
-
- sharable::TreeFragment * setComponentData( backend::ComponentDataStruct const & _aComponentInstance,
- bool _bWithDefaults
- ) SAL_THROW((com::sun::star::uno::RuntimeException));
-
- sharable::TreeFragment * insertDefaults( backend::NodeInstance const & _aDefaultInstance
- ) SAL_THROW((com::sun::star::uno::RuntimeException));
-
- // get the module name for this component
- rtl::OUString getModuleName() const;
-
- /// add a client for this module's data
- oslInterlockedCount clientReferences() const { return m_nDataRefs; }
- /// add a client for this modules data
- oslInterlockedCount clientAcquire() { return osl_incrementInterlockedCount(&m_nDataRefs); }
- /// subtract a client for this modules data
- oslInterlockedCount clientRelease() { return osl_decrementInterlockedCount(&m_nDataRefs); }
-
- protected:
- // create a new CacheLine attached to the given memory location
- explicit
- CacheLine( rtl::OUString const & _aModuleName, sharable::TreeFragment * _pLocation );
-
- // create a new empty CacheLine for the given component name
- explicit
- CacheLine( rtl::OUString const & _aModuleName );
-
- sharable::Node * internalGetNode(configuration::AbsolutePath const & _rPath) const;
-
- sharable::TreeFragment * base() const { return m_base; }
- void setBase(sharable::TreeFragment * _base);
-
- private:
- sharable::TreeFragment * m_base;
- rtl::OUString m_name;
-
- oslInterlockedCount m_nDataRefs; /// the number of clients on this modules data
- };
-
-////////////////////////////////////////////////////////////////////////////////
- /** This object represents a cache line and associated data for a single configuration tree
- */
- class ExtendedCacheLine : public CacheLine
- {
- public:
- // create a new CacheLine for the given component name
- static rtl::Reference<ExtendedCacheLine>
- createNew( rtl::OUString const & _aModuleName );
-
- // create a new CacheLine attached to the given memory location
- static rtl::Reference<ExtendedCacheLine>
- createAttached( rtl::OUString const & _aModuleName,
- sharable::TreeFragment * _aLocation );
-
- // management of pending changes
- bool hasPending() const {return m_pPending.get() != NULL;}
-
- void addPending(backend::ConstUpdateInstance const & _anUpdate) SAL_THROW((com::sun::star::uno::RuntimeException));
- std::auto_ptr<SubtreeChange> releasePending() {return m_pPending;}
-
- private:
- // create a new empty CacheLine for the given component name
- explicit
- ExtendedCacheLine( rtl::OUString const & _aModuleName );
-
- // create a new CacheLine attached to the given memory location
- explicit
- ExtendedCacheLine( rtl::OUString const & _aModuleName,
- sharable::TreeFragment * _aLocation );
-
- private:
- std::auto_ptr<SubtreeChange> m_pPending;
- };
-
-} // namespace configmgr
-
-#endif
-