483 lines
18 KiB
C++
483 lines
18 KiB
C++
/*************************************************************************
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*
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* $RCSfile: databasecontext.cxx,v $
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*
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* $Revision: 1.10 $
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*
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* last change: $Author: oj $ $Date: 2000-11-03 14:42:50 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _DBA_COREDATAACCESS_DATABASECONTEXT_HXX_
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#include "databasecontext.hxx"
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#endif
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#ifndef _DBA_COREDATAACCESS_DATASOURCE_HXX_
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#include "datasource.hxx"
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#endif
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#ifndef _DBA_CORE_RESOURCE_HRC_
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#include "core_resource.hrc"
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#endif
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#ifndef _DBA_CORE_RESOURCE_HXX_
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#include "core_resource.hxx"
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#endif
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#ifndef DBACCESS_SHARED_DBASTRINGS_HRC
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#include "dbastrings.hrc"
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#endif
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#ifndef _DBA_CORE_REGISTRYHELPER_HXX_
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#include "registryhelper.hxx"
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#endif
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#ifndef _DBASHARED_APITOOLS_HXX_
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#include "apitools.hxx"
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#endif
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#ifndef _COM_SUN_STAR_FRAME_XCONFIGMANAGER_HPP_
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#include <com/sun/star/frame/XConfigManager.hpp>
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#endif
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#ifndef _COM_SUN_STAR_BEANS_PROPERTYATTRIBUTE_HPP_
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#include <com/sun/star/beans/PropertyAttribute.hpp>
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#endif
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#ifndef _COM_SUN_STAR_BEANS_XPROPERTYSET_HPP_
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#include <com/sun/star/beans/XPropertySet.hpp>
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#endif
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#ifndef _COM_SUN_STAR_SDBC_XDATASOURCE_HPP_
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#include <com/sun/star/sdbc/XDataSource.hpp>
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#endif
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#ifndef _COM_SUN_STAR_LANG_DISPOSEDEXCEPTION_HPP_
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#include <com/sun/star/lang/DisposedException.hpp>
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#endif
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#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
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#include <cppuhelper/typeprovider.hxx>
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#endif
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#ifndef _CPPUHELPER_IMPLBASE1_HXX_
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#include <cppuhelper/implbase1.hxx>
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#endif
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#ifndef _COMPHELPER_PROCESSFACTORY_HXX_
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#include <comphelper/processfactory.hxx>
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#endif
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#ifndef _COMPHELPER_ENUMHELPER_HXX_
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#include <comphelper/enumhelper.hxx>
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#endif
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#ifndef _TOOLS_DEBUG_HXX //autogen
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#include <tools/debug.hxx>
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#endif
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#ifndef _FSYS_HXX
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#include <tools/fsys.hxx>
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#endif
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#ifndef _URLOBJ_HXX
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#include <tools/urlobj.hxx>
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#endif
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#ifndef _COMPHELPER_SEQUENCE_HXX_
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#include <comphelper/sequence.hxx>
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#endif
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using namespace ::com::sun::star::sdbc;
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using namespace ::com::sun::star::sdb;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::util;
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using namespace ::com::sun::star::registry;
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using namespace ::cppu;
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using namespace ::osl;
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using namespace dbaccess;
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#define REGISTRYFILE "dbaccess.rdb"
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//==========================================================================
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extern "C" void SAL_CALL createRegistryInfo_ODatabaseContext()
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{
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static OOneInstanceAutoRegistration< dbaccess::ODatabaseContext > aODatabaseContext_AutoRegistration;
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}
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//........................................................................
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namespace dbaccess
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{
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//........................................................................
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//============================================================
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//= ODatabaseContext
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//==========================================================================
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DBG_NAME(ODatabaseContext)
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//--------------------------------------------------------------------------
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Reference< XInterface >
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ODatabaseContext_CreateInstance(const Reference< XMultiServiceFactory > & xServiceManager)
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{
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return (*new ODatabaseContext(xServiceManager));
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}
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//--------------------------------------------------------------------------
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ODatabaseContext::ODatabaseContext(const Reference< XMultiServiceFactory > & xServiceManager)
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:DatabaseAccessContext_Base(m_aMutex)
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,m_xServiceManager(xServiceManager)
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{
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DBG_CTOR(ODatabaseContext,NULL);
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// get our the configuration root node
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m_aRootNode = OConfigurationTreeRoot::createWithServiceFactory(m_xServiceManager,
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("org.openoffice.Office.DataAccess/DataSources")), -1, OConfigurationTreeRoot::CM_PREFER_UPDATABLE);
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DBG_ASSERT(m_aRootNode.isSetNode(), "ODatabaseContext::ODatabaseContext: our node should be a set!");
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// enable auto name encoding
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m_aRootNode.setEscape(m_aRootNode.isSetNode());
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}
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//--------------------------------------------------------------------------
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ODatabaseContext::~ODatabaseContext()
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{
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DBG_DTOR(ODatabaseContext,NULL);
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}
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// Helper
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//------------------------------------------------------------------------------
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rtl::OUString ODatabaseContext::getImplementationName_Static() throw( RuntimeException )
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{
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return rtl::OUString::createFromAscii("com.sun.star.sdb.ODatabaseContext");
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}
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//------------------------------------------------------------------------------
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Reference< XInterface > ODatabaseContext::Create(const Reference< XMultiServiceFactory >& _rxFactory)
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{
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return ODatabaseContext_CreateInstance(_rxFactory);
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}
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//------------------------------------------------------------------------------
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Sequence< rtl::OUString > ODatabaseContext::getSupportedServiceNames_Static(void) throw( RuntimeException )
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{
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Sequence< ::rtl::OUString > aSNS( 1 );
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aSNS[0] = SERVICE_SDB_DATABASECONTEXT;
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return aSNS;
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}
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// XServiceInfo
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//------------------------------------------------------------------------------
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rtl::OUString ODatabaseContext::getImplementationName( ) throw(RuntimeException)
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{
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return getImplementationName_Static();
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}
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//------------------------------------------------------------------------------
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sal_Bool ODatabaseContext::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
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{
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return ::comphelper::findValue(getSupportedServiceNames(), _rServiceName, sal_True).getLength() != 0;
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}
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//------------------------------------------------------------------------------
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Sequence< ::rtl::OUString > ODatabaseContext::getSupportedServiceNames( ) throw (RuntimeException)
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{
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return getSupportedServiceNames_Static();
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}
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// ::com::sun::star::lang::XUnoTunnel
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//--------------------------------------------------------------------------
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Sequence< sal_Int8 > ODatabaseContext::getUnoTunnelImplementationId() throw (RuntimeException)
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{
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static OImplementationId * pId = 0;
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if (! pId)
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{
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MutexGuard aGuard( Mutex::getGlobalMutex() );
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if (! pId)
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{
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static OImplementationId aId;
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pId = &aId;
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}
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}
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return pId->getImplementationId();
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}
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//--------------------------------------------------------------------------
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sal_Int64 SAL_CALL ODatabaseContext::getSomething(const Sequence<sal_Int8>& _rIdentifier) throw( RuntimeException )
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{
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if (_rIdentifier.getLength() == 16 && 0 == rtl_compareMemory(getImplementationId().getConstArray(), _rIdentifier.getConstArray(), 16 ) )
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return (sal_Int64)this;
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return 0;
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}
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// DatabaseAccessContext_Base
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//------------------------------------------------------------------------------
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void ODatabaseContext::disposing()
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{
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for ( ObjectCache::iterator aIter = m_aDatabaseObjects.begin();
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aIter != m_aDatabaseObjects.end();
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++aIter
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)
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{
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Reference< XComponent > xComp(aIter->second.get(), UNO_QUERY);
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if (xComp.is())
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xComp->dispose();
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}
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m_aDatabaseObjects.clear();
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}
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// XNamingService
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//------------------------------------------------------------------------------
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Reference< XInterface > ODatabaseContext::getRegisteredObject(const rtl::OUString& _rName) throw( Exception, RuntimeException )
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{
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MutexGuard aGuard(m_aMutex);
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if (DatabaseAccessContext_Base::rBHelper.bDisposed)
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throw DisposedException();
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if(!_rName.getLength())
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throw IllegalArgumentException(_rName, Reference<XNamingService>(this),1);
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ObjectCacheIterator aExistent = m_aDatabaseObjects.find(_rName);
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if (aExistent != m_aDatabaseObjects.end())
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{
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Reference< XInterface > xExistent = aExistent->second.get();
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if (xExistent.is())
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return xExistent;
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// the adapter still exists, but the object is already dead
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m_aDatabaseObjects.erase(aExistent);
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}
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OConfigurationNode aObjectBase = getObjectNode(_rName, sal_False);
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if (!aObjectBase.isValid())
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throw NoSuchElementException((::rtl::OUString::createFromAscii("There is no object named ") += _rName) += ::rtl::OUString::createFromAscii("."), Reference<XNamingService>(this));
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Reference< XInterface > xNewObject = *(new ODatabaseSource(*this, aObjectBase, _rName, m_xServiceManager));
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m_aDatabaseObjects[_rName] = WeakReferenceHelper(xNewObject);
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return xNewObject;
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}
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//--------------------------------------------------------------------------
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OConfigurationNode ODatabaseContext::getObjectNode(const ::rtl::OUString& _rTitle, sal_Bool _bCreate) throw()
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{
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DBG_ASSERT(m_aRootNode.isValid(), "ODatabaseContext::getObjectNode : don't call without a configuration node!");
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if (!m_aRootNode.isValid())
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return OConfigurationNode();
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// if the node exists, just return it
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if (m_aRootNode.hasByName(_rTitle))
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return m_aRootNode.openNode(_rTitle);
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// if we're not allowed to create it -> outta here
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if (!_bCreate)
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return OConfigurationNode();
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// create the node
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DBG_ASSERT(m_aRootNode.isSetNode(), "ODatabaseContext::getObjectNode: the top-level context node is no set node!");
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// the configuration does not support different types of operations in one transaction, so we must commit
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// before and after we create the new node, to ensure, that every transaction we ever do contains only
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// one type of operation (insert, remove, update)
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OSL_VERIFY(m_aRootNode.commit());
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OConfigurationNode aReturn = m_aRootNode.createNode(_rTitle);
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OSL_VERIFY(m_aRootNode.commit());
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return aReturn;
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}
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//------------------------------------------------------------------------------
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void ODatabaseContext::registerObject(const rtl::OUString& _rName, const Reference< XInterface > & _rxObject) throw( Exception, RuntimeException )
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{
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MutexGuard aGuard(m_aMutex);
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if (!m_aRootNode.isValid() || DatabaseAccessContext_Base::rBHelper.bDisposed)
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throw DisposedException();
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// solaris compiler needs a construct like this and can't work with comphelper::getImplementation ...
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Reference< XUnoTunnel > xTunnel(_rxObject, UNO_QUERY);
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ODatabaseSource* pObjectImpl = NULL;
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if (xTunnel.is())
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pObjectImpl = reinterpret_cast<ODatabaseSource*> (xTunnel->getSomething(ODatabaseSource::getUnoTunnelImplementationId()));
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if (!pObjectImpl)
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throw IllegalArgumentException();
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if (pObjectImpl->isContainerElement())
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// we do not allow to change an object's registration name in this way
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throw IllegalArgumentException();
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if (!_rName.getLength())
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throw IllegalArgumentException();
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if (m_aRootNode.hasByName(_rName))
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throw ElementExistException();
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sal_Bool bSuccess = sal_False;
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OConfigurationNode aObjectNode = getObjectNode(_rName, sal_True);
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if (!aObjectNode.isValid())
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// TODO: a better error message
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throw InvalidRegistryException();
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pObjectImpl->inserted(*this, _rName, aObjectNode.cloneAsRoot());
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pObjectImpl->flush();
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// add the object to our bag
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m_aDatabaseObjects[_rName] = WeakReferenceHelper(_rxObject);
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}
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//------------------------------------------------------------------------------
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void ODatabaseContext::revokeObject(const rtl::OUString& _rName) throw( Exception, RuntimeException )
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{
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MutexGuard aGuard(m_aMutex);
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if (!m_aRootNode.isValid() || DatabaseAccessContext_Base::rBHelper.bDisposed)
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throw DisposedException();
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OConfigurationNode aObjectNode = getObjectNode(_rName, sal_False);
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if (!aObjectNode.isValid())
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throw NoSuchElementException();
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ObjectCacheIterator aExistent = m_aDatabaseObjects.find(_rName);
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if (aExistent != m_aDatabaseObjects.end())
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{
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Reference< XInterface > xExistent = aExistent->second.get();
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if (xExistent.is())
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{
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// solaris compiler needs a construct like this and can't work with comphelper::getImplementation ...
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Reference< XUnoTunnel > xTunnel(xExistent, UNO_QUERY);
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ODatabaseSource* pObjectImpl = NULL;
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if (xTunnel.is())
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pObjectImpl = reinterpret_cast<ODatabaseSource*> (xTunnel->getSomething(ODatabaseSource::getUnoTunnelImplementationId()));
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DBG_ASSERT(pObjectImpl, "ODatabaseContext::revokeObject : there is an object which is no ODatabaseSource !");
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if (pObjectImpl)
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pObjectImpl->removed();
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}
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m_aDatabaseObjects.erase(aExistent);
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// the configuration does not support different types of operations in one transaction, so we must commit
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// before and after we create the new node, to ensure, that every transaction we ever do contains only
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// one type of operation (insert, remove, update)
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OSL_VERIFY(m_aRootNode.commit());
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if (!m_aRootNode.removeNode(_rName))
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throw Exception(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("An unexpected und unknown error occured.")), static_cast<XNamingService*>(this));
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OSL_VERIFY(m_aRootNode.commit());
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}
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else
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DBG_ERROR("ODatabaseContext::revokeObject: inconsistent state!");
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}
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// ::com::sun::star::container::XElementAccess
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//------------------------------------------------------------------------------
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Type ODatabaseContext::getElementType( ) throw(RuntimeException)
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{
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return::getCppuType(static_cast<Reference<XDataSource>*>(NULL));
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}
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//------------------------------------------------------------------------------
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sal_Bool ODatabaseContext::hasElements(void) throw( RuntimeException )
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{
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MutexGuard aGuard(m_aMutex);
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if (!m_aRootNode.isValid() || DatabaseAccessContext_Base::rBHelper.bDisposed)
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throw DisposedException();
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return 0 != getElementNames().getLength();
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}
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// ::com::sun::star::container::XEnumerationAccess
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//------------------------------------------------------------------------------
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Reference< ::com::sun::star::container::XEnumeration > ODatabaseContext::createEnumeration(void) throw( RuntimeException )
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{
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MutexGuard aGuard(m_aMutex);
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return new ::comphelper::OEnumerationByName(static_cast<XNameAccess*>(this));
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}
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// ::com::sun::star::container::XNameAccess
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//------------------------------------------------------------------------------
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Any ODatabaseContext::getByName(const rtl::OUString& _rName) throw( NoSuchElementException,
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WrappedTargetException, RuntimeException )
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{
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MutexGuard aGuard(m_aMutex);
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try
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{
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Reference< XDataSource > xObject(getRegisteredObject(_rName), UNO_QUERY);
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// will throw an NoSuchElementException if neccessary
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return makeAny(xObject);
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}
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catch (NoSuchElementException&)
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{ // let these exceptions through
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throw;
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}
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catch (WrappedTargetException&)
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{ // let these exceptions through
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throw;
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}
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catch (RuntimeException&)
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{ // let these exceptions through
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throw;
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}
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catch (Exception& e)
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{ // exceptions other than the speciafied ones -> wrap
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throw WrappedTargetException(rtl::OUString(), *this, makeAny(e));
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}
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}
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//------------------------------------------------------------------------------
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Sequence< rtl::OUString > ODatabaseContext::getElementNames(void) throw( RuntimeException )
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{
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MutexGuard aGuard(m_aMutex);
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if (!m_aRootNode.isValid() || DatabaseAccessContext_Base::rBHelper.bDisposed)
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throw DisposedException();
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return m_aRootNode.getNodeNames();
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}
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//------------------------------------------------------------------------------
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sal_Bool ODatabaseContext::hasByName(const rtl::OUString& _rName) throw( RuntimeException )
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{
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MutexGuard aGuard(m_aMutex);
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if (!m_aRootNode.isValid() || DatabaseAccessContext_Base::rBHelper.bDisposed)
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throw DisposedException();
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return m_aRootNode.hasByName(_rName);
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}
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//........................................................................
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} // namespace dbaccess
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//........................................................................
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