321 lines
8.9 KiB
C++
321 lines
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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/**************************************************************************
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TODO
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**************************************************************************
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- This implementation is far away from completion. It has no interface
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for changes notifications etc.
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*************************************************************************/
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#include <com/sun/star/ucb/ListActionType.hpp>
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#include <com/sun/star/ucb/WelcomeDynamicResultSetStruct.hpp>
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#include <com/sun/star/ucb/CachedDynamicResultSetStubFactory.hpp>
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#include <com/sun/star/ucb/XSourceInitialization.hpp>
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#include <cppuhelper/interfacecontainer.hxx>
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#include <ucbhelper/resultsethelper.hxx>
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#include <ucbhelper/getcomponentcontext.hxx>
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#include "osl/diagnose.h"
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using namespace com::sun::star;
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// ResultSetImplHelper Implementation.
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namespace ucbhelper {
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ResultSetImplHelper::ResultSetImplHelper(
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const uno::Reference< uno::XComponentContext >& rxContext,
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const com::sun::star::ucb::OpenCommandArgument2& rCommand )
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: m_pDisposeEventListeners( 0 ),
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m_bStatic( false ),
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m_bInitDone( false ),
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m_aCommand( rCommand ),
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m_xContext( rxContext )
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{
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}
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// virtual
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ResultSetImplHelper::~ResultSetImplHelper()
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{
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delete m_pDisposeEventListeners;
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}
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// XInterface methods.
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void SAL_CALL ResultSetImplHelper::acquire()
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throw()
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{
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OWeakObject::acquire();
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}
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void SAL_CALL ResultSetImplHelper::release()
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throw()
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{
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OWeakObject::release();
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}
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css::uno::Any SAL_CALL ResultSetImplHelper::queryInterface( const css::uno::Type & rType )
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throw( css::uno::RuntimeException, std::exception )
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{
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css::uno::Any aRet = cppu::queryInterface( rType,
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(static_cast< lang::XTypeProvider* >(this)),
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(static_cast< lang::XServiceInfo* >(this)),
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(static_cast< lang::XComponent* >(this)),
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(static_cast< css::ucb::XDynamicResultSet* >(this))
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);
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return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
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}
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// XTypeProvider methods.
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XTYPEPROVIDER_IMPL_3( ResultSetImplHelper,
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lang::XTypeProvider,
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lang::XServiceInfo,
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com::sun::star::ucb::XDynamicResultSet );
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// XServiceInfo methods.
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XSERVICEINFO_NOFACTORY_IMPL_1( ResultSetImplHelper,
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OUString(
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"ResultSetImplHelper" ),
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DYNAMICRESULTSET_SERVICE_NAME );
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// XComponent methods.
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// virtual
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void SAL_CALL ResultSetImplHelper::dispose()
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throw( uno::RuntimeException, std::exception )
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( m_pDisposeEventListeners && m_pDisposeEventListeners->getLength() )
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{
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lang::EventObject aEvt;
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aEvt.Source = static_cast< lang::XComponent * >( this );
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m_pDisposeEventListeners->disposeAndClear( aEvt );
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}
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}
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// virtual
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void SAL_CALL ResultSetImplHelper::addEventListener(
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const uno::Reference< lang::XEventListener >& Listener )
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throw( uno::RuntimeException, std::exception )
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( !m_pDisposeEventListeners )
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m_pDisposeEventListeners
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= new cppu::OInterfaceContainerHelper( m_aMutex );
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m_pDisposeEventListeners->addInterface( Listener );
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}
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// virtual
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void SAL_CALL ResultSetImplHelper::removeEventListener(
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const uno::Reference< lang::XEventListener >& Listener )
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throw( uno::RuntimeException, std::exception )
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( m_pDisposeEventListeners )
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m_pDisposeEventListeners->removeInterface( Listener );
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}
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// XDynamicResultSet methods.
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// virtual
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uno::Reference< sdbc::XResultSet > SAL_CALL
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ResultSetImplHelper::getStaticResultSet()
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throw( com::sun::star::ucb::ListenerAlreadySetException,
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uno::RuntimeException, std::exception )
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( m_xListener.is() )
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throw com::sun::star::ucb::ListenerAlreadySetException();
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init( true );
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return m_xResultSet1;
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}
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// virtual
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void SAL_CALL ResultSetImplHelper::setListener(
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const uno::Reference< com::sun::star::ucb::XDynamicResultSetListener >&
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Listener )
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throw( com::sun::star::ucb::ListenerAlreadySetException,
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uno::RuntimeException, std::exception )
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{
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osl::ClearableMutexGuard aGuard( m_aMutex );
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if ( m_bStatic || m_xListener.is() )
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throw com::sun::star::ucb::ListenerAlreadySetException();
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m_xListener = Listener;
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// Create "welcome event" and send it to listener.
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// Note: We only have the implementation for a static result set at the
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// moment (src590). The dynamic result sets passed to the listener
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// are a fake. This implementation will never call "notify" at the
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// listener to propagate any changes!!!
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init( false );
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uno::Any aInfo;
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aInfo <<= com::sun::star::ucb::WelcomeDynamicResultSetStruct(
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m_xResultSet1 /* "old" */,
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m_xResultSet2 /* "new" */ );
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uno::Sequence< com::sun::star::ucb::ListAction > aActions( 1 );
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aActions.getArray()[ 0 ]
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= com::sun::star::ucb::ListAction(
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0, // Position; not used
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0, // Count; not used
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com::sun::star::ucb::ListActionType::WELCOME,
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aInfo );
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aGuard.clear();
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Listener->notify(
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com::sun::star::ucb::ListEvent(
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static_cast< cppu::OWeakObject * >( this ), aActions ) );
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}
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// virtual
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sal_Int16 SAL_CALL ResultSetImplHelper::getCapabilities()
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throw( uno::RuntimeException, std::exception )
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{
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// ! com::sun::star::ucb::ContentResultSetCapability::SORTED
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return 0;
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}
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// virtual
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void SAL_CALL ResultSetImplHelper::connectToCache(
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const uno::Reference< com::sun::star::ucb::XDynamicResultSet > &
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xCache )
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throw( com::sun::star::ucb::ListenerAlreadySetException,
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com::sun::star::ucb::AlreadyInitializedException,
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com::sun::star::ucb::ServiceNotFoundException,
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uno::RuntimeException, std::exception )
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{
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if ( m_xListener.is() )
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throw com::sun::star::ucb::ListenerAlreadySetException();
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if ( m_bStatic )
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throw com::sun::star::ucb::ListenerAlreadySetException();
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uno::Reference< com::sun::star::ucb::XSourceInitialization >
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xTarget( xCache, uno::UNO_QUERY );
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if ( xTarget.is() )
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{
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uno::Reference<
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com::sun::star::ucb::XCachedDynamicResultSetStubFactory >
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xStubFactory;
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try
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{
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xStubFactory
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= com::sun::star::ucb::CachedDynamicResultSetStubFactory::create(
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m_xContext );
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}
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catch ( uno::Exception const & )
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{
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}
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if ( xStubFactory.is() )
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{
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xStubFactory->connectToCache(
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this, xCache, m_aCommand.SortingInfo, 0 );
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return;
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}
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}
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throw com::sun::star::ucb::ServiceNotFoundException();
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}
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// Non-interface methods.
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void ResultSetImplHelper::init( bool bStatic )
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( !m_bInitDone )
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{
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if ( bStatic )
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{
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// virtual... derived class fills m_xResultSet1
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initStatic();
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OSL_ENSURE( m_xResultSet1.is(),
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"ResultSetImplHelper::init - No 1st result set!" );
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m_bStatic = true;
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}
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else
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{
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// virtual... derived class fills m_xResultSet1 and m_xResultSet2
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initDynamic();
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OSL_ENSURE( m_xResultSet1.is(),
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"ResultSetImplHelper::init - No 1st result set!" );
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OSL_ENSURE( m_xResultSet2.is(),
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"ResultSetImplHelper::init - No 2nd result set!" );
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m_bStatic = false;
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}
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m_bInitDone = true;
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}
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}
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} // namespace ucbhelper
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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