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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: roottree.hxx,v $
* $Revision: 1.15 $
*
* 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_ROOTTREE_HXX_
#define CONFIGMGR_ROOTTREE_HXX_
#include "sal/config.h"
#include <memory>
#include "boost/utility.hpp"
#include "rtl/ref.hxx"
#include "utility.hxx"
namespace configmgr
{
//-----------------------------------------------------------------------------
namespace sharable { union Node; }
class SubtreeChange;
struct TreeChangeList;
namespace configuration
{
//-----------------------------------------------------------------------------
class Tree;
class NodeRef;
class NodeChangesInformation;
class AbsolutePath;
class TemplateProvider;
//-----------------------------------------------------------------------------
rtl::Reference< Tree > createReadOnlyTree( AbsolutePath const& aRootPath,
sharable::Node * _aCacheNode,
unsigned int nDepth,
TemplateProvider const& aTemplateProvider);
rtl::Reference< Tree > createUpdatableTree( AbsolutePath const& aRootPath,
sharable::Node * _aCacheNode,
unsigned int nDepth,
TemplateProvider const& aTemplateProvider);
//-----------------------------------------------------------------------------
class CommitHelper: private boost::noncopyable
{
struct Data;
std::auto_ptr<Data> m_pData;
Tree* m_pTree;
public:
CommitHelper(rtl::Reference< Tree > const& aTree);
~CommitHelper();
// collect all changes into rChangeList
bool prepareCommit(TreeChangeList& rChangeList);
// finish and clean up the changes in rChangeList after they are integrated
void finishCommit(TreeChangeList& rChangeList);
// throw away and clean up the changes in rChangeList after a commit failed
void failedCommit(TreeChangeList& rChangeList);
};
//-----------------------------------------------------------------------------
/** adjusts <var>aTree</var> tree to the (externally produced) changes under <var>aExternalChanges</var>
and collects the changes this induces locally.
@param rLocalChanges
a collection that will hold the changes induced by <var>aExternalChanges</var>.
@param aExternalChanges
a structured change that has already been applied to the master tree.
@param aBaseTree
the tree that contains (directly) the affected node of <var>aExternalChanges</var>.
@param aBaseNode
a NodeRef referring to the (directly) affected node of <var>aExternalChanges</var>.
@return
<TRUE/> if any changes occur in this tree (so rLocalChanges is not empty), <FALSE/> otherwise.
*/
bool adjustToChanges( NodeChangesInformation& rLocalChanges,
rtl::Reference< Tree > const& aBaseTree, NodeRef const& aBaseNode,
SubtreeChange const& aExternalChange) ;
//-----------------------------------------------------------------------------
}
}
#endif // CONFIGMGR_ROOTTREE_HXX_
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