2002-03-15 04:50:25 -06:00
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/*************************************************************************
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*
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2008-04-11 07:36:21 -05:00
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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2008-04-11 07:36:21 -05:00
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* OpenOffice.org - a multi-platform office productivity suite
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*
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2008-04-11 07:36:21 -05:00
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* $RCSfile: cacheaccess.cxx,v $
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* $Revision: 1.11 $
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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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2002-03-15 04:50:25 -06:00
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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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2002-03-15 04:50:25 -06:00
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*
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************************************************************************/
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2006-09-16 09:24:36 -05:00
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_configmgr.hxx"
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2002-03-15 04:50:25 -06:00
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#include "cacheaccess.hxx"
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#include "nodeaccess.hxx"
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#include "tracer.hxx"
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#include "configpath.hxx"
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namespace configmgr
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{
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using namespace configuration;
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// -------------------------------------------------------------------------
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2007-11-23 07:34:37 -06:00
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CacheClientAccess::CacheClientAccess(ConfigChangeBroadcastHelper * _pBroadcastHelper)
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: m_pBroadcastHelper( _pBroadcastHelper )
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{
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}
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// -------------------------------------------------------------------------
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CacheClientAccess::~CacheClientAccess()
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{
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OSL_ENSURE(!m_pBroadcastHelper, "Forgot to dispose broadcast helper");
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}
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// -------------------------------------------------------------------------
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ConfigChangeBroadcastHelper * CacheClientAccess::releaseBroadcaster()
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{
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ConfigChangeBroadcastHelper * pRet = m_pBroadcastHelper;
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m_pBroadcastHelper = NULL;
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return pRet;
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}
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// -------------------------------------------------------------------------
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bool CacheClientAccess::hasModule(const CacheLine::Path& _aLocation)
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{
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return this->m_aData.hasModule(_aLocation.getModuleName());
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}
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// -------------------------------------------------------------------------
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bool CacheClientAccess::hasModuleDefaults(CacheLine::Path const& _aLocation)
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{
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return this->m_aData.hasModuleDefaults(_aLocation.getModuleName());
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}
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// -------------------------------------------------------------------------
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void CacheClientAccess::attachModule(data::TreeAddress _aLocation, CacheLine::Name const & _aModule)
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{
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this->m_aData.attachModule(_aLocation, _aModule);
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}
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// -------------------------------------------------------------------------
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data::NodeAddress CacheClientAccess::acquireNode(CacheLine::Path const& rLocation )
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{
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CFG_TRACE_INFO("CacheClientAccess: Requesting data for path '%s'", OUSTRING2ASCII(rLocation.toString()) );
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data::NodeAddress aResult = this->m_aData.acquireNode(rLocation);
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if (aResult != NULL)
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{
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CFG_TRACE_INFO_NI("- Data is available - returning Subtree");
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}
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else
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CFG_TRACE_INFO_NI("- Data is not available - returning NULL");
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return aResult;
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}
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// -------------------------------------------------------------------------
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oslInterlockedCount CacheClientAccess::releaseNode( CacheLine::Path const& rLocation )
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{
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CFG_TRACE_INFO("Tree Info: Releasing subtree data for path '%s'", OUSTRING2ASCII(rLocation.toString()) );
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oslInterlockedCount nRet = this->m_aData.releaseModule(rLocation.getModuleName(),false);
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return nRet;
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}
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// -----------------------------------------------------------------------------
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void CacheClientAccess::applyUpdate(backend::UpdateInstance & _aUpdate) CFG_UNO_THROW_RTE( )
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{
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CFG_TRACE_INFO("CacheClientAccess: Merging changes into subtree '%s'", OUSTRING2ASCII(_aUpdate.root().toString()) );
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this->m_aData.applyUpdate(_aUpdate );
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}
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// -----------------------------------------------------------------------------
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data::NodeAddress CacheClientAccess::findInnerNode( CacheLine::Path const& aComponentName )
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{
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data::NodeAddress aNode = this->m_aData.getNode(aComponentName);
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if (aNode != NULL && data::NodeAccess(aNode)->isValue() )
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aNode = data::NodeAddress();
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return aNode;
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}
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// -------------------------------------------------------------------------
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bool CacheClientAccess::insertDefaults( backend::NodeInstance const & _aDefaultData ) CFG_UNO_THROW_RTE( )
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{
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CFG_TRACE_INFO("Tree Info: Adding default data for path '%s'", OUSTRING2ASCII(_aDefaultData.root().toString()) );
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return this->m_aData.insertDefaults(_aDefaultData);
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}
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// -------------------------------------------------------------------------
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bool CacheClientAccess::isEmpty()
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{
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CacheData::ModuleList& rModules = this->m_aData.accessModuleList();
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bool bRet = rModules.empty();
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return bRet;
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}
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// -------------------------------------------------------------------------
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// -------------------------------------------------------------------------
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// -------------------------------------------------------------------------
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2007-11-23 07:34:37 -06:00
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CacheLoadingAccess::CacheLoadingAccess()
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: m_aDeadModules()
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{
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}
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// -------------------------------------------------------------------------
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CacheLoadingAccess::~CacheLoadingAccess()
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{
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}
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2002-03-15 04:50:25 -06:00
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// -------------------------------------------------------------------------
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2007-11-23 07:34:37 -06:00
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/// gets a tree reference for the given path if exists
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data::TreeAddress CacheLoadingAccess::getTreeAddress(CacheLine::Name const & _aModule)
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{
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return this->m_aData.getTreeAddress(_aModule);
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}
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// -------------------------------------------------------------------------
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void CacheLoadingAccess::createModule(CacheLine::Name const & _aModule)
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{
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this->m_aData.createModule(_aModule);
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}
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// -------------------------------------------------------------------------
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bool CacheLoadingAccess::hasModule(CacheLine::Name const & _aModule)
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{
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return this->m_aData.hasModule(_aModule);
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}
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// -------------------------------------------------------------------------
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2007-11-23 07:34:37 -06:00
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bool CacheLoadingAccess::acquireModule(CacheLine::Name const & _aModule)
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{
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CFG_TRACE_INFO("Tree Info: Requesting data for module '%s'", OUSTRING2ASCII(_aModule.toString()));
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2007-11-23 07:34:37 -06:00
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if (this->m_aData.acquireModule(_aModule))
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{
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m_aDeadModules.erase( _aModule );
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CFG_TRACE_INFO_NI("- Data is available - returning Subtree");
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return true;
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}
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else
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{
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CFG_TRACE_INFO_NI("- Data is not available - returning NULL");
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return false;
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}
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2002-03-15 04:50:25 -06:00
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}
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// -------------------------------------------------------------------------
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2007-11-23 07:34:37 -06:00
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oslInterlockedCount CacheLoadingAccess::releaseModule( CacheLine::Name const & _aModule )
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{
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CFG_TRACE_INFO("Tree Info: Releasing data for module '%s'", OUSTRING2ASCII(_aModule.toString()) );
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2007-11-23 07:34:37 -06:00
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oslInterlockedCount nRet = this->m_aData.releaseModule(_aModule,true); // keep
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if (nRet == 0)
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{
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m_aDeadModules[ _aModule ] = TimeStamp::getCurrentTime();
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CFG_TRACE_INFO_NI("- Last reference released - marking data for cleanup");
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}
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return nRet;
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}
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// -----------------------------------------------------------------------------
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2007-11-23 07:34:37 -06:00
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void CacheLoadingAccess::applyUpdate(backend::UpdateInstance & _aUpdate) CFG_UNO_THROW_RTE( )
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{
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CFG_TRACE_INFO("CacheLoadingAccess: Merging changes into subtree '%s'", OUSTRING2ASCII(_aUpdate.root().toString()) );
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2007-11-23 07:34:37 -06:00
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this->m_aData.applyUpdate(_aUpdate);
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}
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// -----------------------------------------------------------------------------
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data::NodeAddress CacheLoadingAccess::findNode( CacheLine::Path const& aComponentName )
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{
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data::NodeAddress aNode = this->m_aData.getNode(aComponentName);
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return aNode;
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}
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// -------------------------------------------------------------------------
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bool CacheLoadingAccess::isEmpty()
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{
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ExtendedCacheData::ModuleList& rModules = this->m_aData.accessModuleList();
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bool bRet = rModules.empty();
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if (bRet) // while we are at it - clean up
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m_aDeadModules.clear();
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return bRet;
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}
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// -------------------------------------------------------------------------
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2007-11-23 07:34:37 -06:00
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data::TreeAddress CacheLoadingAccess::addComponentData( backend::ComponentInstance const & _aComponentInstance,
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bool _bIncludesDefaults
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) CFG_UNO_THROW_RTE()
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{
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CFG_TRACE_INFO("CacheLoadingAccess: Adding component data for module '%s' : %s",
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OUSTRING2ASCII(_aComponentInstance.component().toString()),
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_bIncludesDefaults ? "Data includes defaults." : "Data does not include defaults." );
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2007-11-23 07:34:37 -06:00
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data::TreeAddress aResult = this->m_aData.addComponentData(_aComponentInstance, _bIncludesDefaults);
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if (aResult != NULL)
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{
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m_aDeadModules.erase( _aComponentInstance.component() );
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CFG_TRACE_INFO_NI("- Data added successfully - returning Subtree");
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}
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else
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CFG_TRACE_INFO_NI("- Data not added - returning NULL");
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return aResult;
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}
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// -------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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2002-03-28 02:08:05 -06:00
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void CacheLoadingAccess::addChangesToPending( backend::ConstUpdateInstance const& _anUpdate ) CFG_UNO_THROW_RTE( )
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{
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// NICE: m_pPending[_rLocation] += pSubtreeChange;
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CFG_TRACE_INFO("CacheLoadingAccess: Adding pending changes for subtree '%s'", OUSTRING2ASCII(_anUpdate.root().toString()) );
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this->m_aData.addPending(_anUpdate);
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}
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// -----------------------------------------------------------------------------
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std::auto_ptr<SubtreeChange> CacheLoadingAccess::releasePendingChanges(CacheLine::Name const& _aComponentName)
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2002-03-15 04:50:25 -06:00
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{
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CFG_TRACE_INFO("Tree Info: extract pending changes from subtree '%s'", OUSTRING2ASCII(_aComponentName.toString()) );
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return this->m_aData.releasePending(_aComponentName);
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}
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// -----------------------------------------------------------------------------
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2007-11-23 07:34:37 -06:00
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bool CacheLoadingAccess::findPendingChangedModules( ExtendedCacheData::PendingModuleList & _rPendingList )
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2002-03-15 04:50:25 -06:00
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{
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this->m_aData.findPendingModules(_rPendingList);
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return !_rPendingList.empty();
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}
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// -----------------------------------------------------------------------------
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void CacheLoadingAccess::clearData(DisposeList& _rList) CFG_NOTHROW()
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{
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CFG_TRACE_INFO("Tree Info: Removing all module trees for cleanup" );
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2007-11-23 07:34:37 -06:00
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typedef ExtendedCacheData::ModuleList ModuleList;
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2002-03-15 04:50:25 -06:00
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ModuleList& rModules = this->m_aData.accessModuleList();
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for(ModuleList::iterator it = rModules.begin();
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it != rModules.end();
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++it)
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{
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if (it->second.is())
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_rList.push_back(it->second);
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}
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rModules.clear();
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m_aDeadModules.clear();
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}
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// -------------------------------------------------------------------------
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2002-03-28 02:08:05 -06:00
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TimeStamp CacheLoadingAccess::collectDisposeList(CacheLoadingAccess::DisposeList & _rList, TimeStamp const & _aLimitTime, TimeInterval const & _aDelay)
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{
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TimeStamp aRetTime = TimeStamp::never();
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CFG_TRACE_INFO("Tree Info: Collecting disposable module trees for cleanup" );
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2007-11-23 07:34:37 -06:00
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ExtendedCacheData::ModuleList& rActiveModules = this->m_aData.accessModuleList();
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2002-03-28 02:08:05 -06:00
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DeadModuleList::iterator it = m_aDeadModules.begin();
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while (it != m_aDeadModules.end())
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{
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DeadModuleList::iterator current = it;
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// increment here, as we may later erase(current)
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++it;
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2003-04-15 11:18:29 -05:00
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#if (OSL_DEBUG_LEVEL > 0) || defined _DBG_UTIL || defined CFG_TRACE_ENABLE
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2002-03-28 02:08:05 -06:00
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OUString sCurrentName( current->first.toString() );
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#endif
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TimeStamp aExpireTime = current->second + _aDelay;
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if (aExpireTime <= _aLimitTime)
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{
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2007-11-23 07:34:37 -06:00
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ExtendedCacheData::ModuleList::iterator itModule = rActiveModules.find( current->first );
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2002-03-28 02:08:05 -06:00
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if (itModule != rActiveModules.end())
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{
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2007-11-23 07:34:37 -06:00
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CacheLineRef xModule = itModule->second;
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2002-03-28 02:08:05 -06:00
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bool bHandled = false;
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if (!xModule.is())
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{
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CFG_TRACE_ERROR_NI("- Unexpected: Module '%s' is NULL in active module list", OUSTRING2ASCII(sCurrentName) );
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bHandled = true;
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}
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else if (xModule->clientReferences() != 0)// at least in temporary use
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{
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OSL_ENSURE( false, "Referenced entry in dead module list");
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CFG_TRACE_WARNING_NI("- Module '%s' in (temporary ?) use - rescheduling", OUSTRING2ASCII(sCurrentName) );
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bHandled = false; // still remove from the lists
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}
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else if (m_aData.hasPending(current->first))
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{
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CFG_TRACE_WARNING_NI("- Module '%s' has pending changes - rescheduling disposal", OUSTRING2ASCII(sCurrentName) );
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bHandled = false;
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}
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else // now this really can be disposed
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{
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CFG_TRACE_INFO_NI("- Removing module '%s' for disposal", OUSTRING2ASCII(sCurrentName) );
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// It really is ok to dispose this entry
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_rList.push_back(xModule);
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bHandled = true;
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}
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if (bHandled)
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{
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// really remove
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rActiveModules.erase(itModule);
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m_aDeadModules.erase(current);
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}
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else
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{
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// reschedule
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TimeStamp aRetryTime = _aLimitTime + _aDelay;
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OSL_ASSERT(aRetryTime > _aLimitTime);
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current->second = _aLimitTime; // ?
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if (aRetryTime < aRetTime)
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aRetTime = aRetryTime;
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}
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}
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else
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{
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// obsolete dispose list entry - discard
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OSL_ENSURE( false, "Obsolete entry in dead module list");
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CFG_TRACE_WARNING_NI("- Module '%s' not found any more - obsolete entry in dead module list", OUSTRING2ASCII(sCurrentName) );
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m_aDeadModules.erase(current);
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}
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}
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else // consider for restart time
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{
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CFG_TRACE_INFO_NI("- Module '%s' has not expired yet - rescheduling", OUSTRING2ASCII(sCurrentName) );
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if (aExpireTime < aRetTime)
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aRetTime = aExpireTime;
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}
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}
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OSL_ASSERT(aRetTime > _aLimitTime);
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return aRetTime;
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}
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// -------------------------------------------------------------------------
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2002-03-15 04:50:25 -06:00
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} // namespace configmgr
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