04073f55c9
and cid#1607211 Double unlock Change-Id: I5d26d0f225cc6ba5b3daf0d8308ddc6c590aa1e4 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/171369 Tested-by: Caolán McNamara <caolan.mcnamara@collabora.com> Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com> Tested-by: Jenkins
2032 lines
56 KiB
C++
2032 lines
56 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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#include "cachedcontentresultset.hxx"
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#include <com/sun/star/sdbc/FetchDirection.hpp>
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#include <com/sun/star/sdbc/SQLException.hpp>
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#include <com/sun/star/ucb/FetchError.hpp>
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#include <com/sun/star/beans/PropertyAttribute.hpp>
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#include <com/sun/star/script/CannotConvertException.hpp>
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#include <com/sun/star/script/Converter.hpp>
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#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
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#include <rtl/ustring.hxx>
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#include <o3tl/any.hxx>
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#include <osl/diagnose.h>
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#include <cppuhelper/exc_hlp.hxx>
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#include <cppuhelper/queryinterface.hxx>
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#include <ucbhelper/macros.hxx>
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#include <optional>
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#include <string_view>
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using namespace com::sun::star::beans;
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using namespace com::sun::star::lang;
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using namespace com::sun::star::script;
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using namespace com::sun::star::sdbc;
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using namespace com::sun::star::ucb;
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using namespace com::sun::star::uno;
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using namespace com::sun::star::util;
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using namespace cppu;
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#define COMSUNSTARUCBCCRS_DEFAULT_FETCH_SIZE 256
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#define COMSUNSTARUCBCCRS_DEFAULT_FETCH_DIRECTION FetchDirection::FORWARD
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//if you change this function template please pay attention to
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//function getObject, where this is similar implemented
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template<typename T> T CachedContentResultSet::rowOriginGet(
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T (SAL_CALL css::sdbc::XRow::* f)(sal_Int32), sal_Int32 columnIndex)
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{
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std::unique_lock aGuard(m_aMutex);
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impl_EnsureNotDisposed(aGuard);
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sal_Int32 nRow = m_nRow;
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sal_Int32 nFetchSize = m_nFetchSize;
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sal_Int32 nFetchDirection = m_nFetchDirection;
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if( !m_aCache.hasRow( nRow ) )
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{
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if( !m_aCache.hasCausedException( nRow ) )
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{
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if( !m_xFetchProvider.is() )
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{
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OSL_FAIL( "broadcaster was disposed already" );
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throw SQLException();
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}
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if( impl_isForwardOnly(aGuard) )
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applyPositionToOrigin( aGuard, nRow );
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impl_fetchData( aGuard, nRow, nFetchSize, nFetchDirection );
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}
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if( !m_aCache.hasRow( nRow ) )
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{
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m_bLastReadWasFromCache = false;
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applyPositionToOrigin( aGuard, nRow );
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impl_init_xRowOrigin(aGuard);
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aGuard.unlock();
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return (m_xRowOrigin.get()->*f)( columnIndex );
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}
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}
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const Any& rValue = m_aCache.getAny( nRow, columnIndex );
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T aRet = T();
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m_bLastReadWasFromCache = true;
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m_bLastCachedReadWasNull = !( rValue >>= aRet );
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/* Last chance. Try type converter service... */
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if ( m_bLastCachedReadWasNull && rValue.hasValue() )
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{
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Reference< XTypeConverter > xConverter = getTypeConverter(aGuard);
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if ( xConverter.is() )
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{
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try
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{
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Any aConvAny = xConverter->convertTo(
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rValue,
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cppu::UnoType<T>::get() );
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m_bLastCachedReadWasNull = !( aConvAny >>= aRet );
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}
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catch (const IllegalArgumentException&)
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{
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}
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catch (const CannotConvertException&)
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{
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}
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}
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}
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return aRet;
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}
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// CCRS_Cache methods
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CachedContentResultSet::CCRS_Cache::CCRS_Cache(
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const Reference< XContentIdentifierMapping > & xMapping )
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: m_xContentIdentifierMapping( xMapping )
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{
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}
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CachedContentResultSet::CCRS_Cache::~CCRS_Cache()
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{
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}
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void CachedContentResultSet::CCRS_Cache
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::clear()
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{
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m_pResult.reset();
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m_pMappedReminder.reset();
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}
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void CachedContentResultSet::CCRS_Cache
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::loadData( const FetchResult& rResult )
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{
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clear();
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m_pResult = rResult;
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}
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bool CachedContentResultSet::CCRS_Cache
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::hasRow( sal_Int32 row ) const
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{
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if( !m_pResult )
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return false;
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sal_Int32 nStart = m_pResult->StartIndex;
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sal_Int32 nEnd = nStart;
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if( m_pResult->Orientation )
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nEnd += m_pResult->Rows.getLength() - 1;
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else
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nStart -= m_pResult->Rows.getLength() + 1;
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return nStart <= row && row <= nEnd;
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}
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sal_Int32 CachedContentResultSet::CCRS_Cache
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::getMaxRow() const
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{
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if( !m_pResult )
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return 0;
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sal_Int32 nEnd = m_pResult->StartIndex;
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if( m_pResult->Orientation )
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return nEnd + m_pResult->Rows.getLength() - 1;
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else
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return nEnd;
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}
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bool CachedContentResultSet::CCRS_Cache
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::hasKnownLast() const
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{
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if( !m_pResult )
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return false;
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return ( m_pResult->FetchError & FetchError::ENDOFDATA )
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&& m_pResult->Orientation
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&& m_pResult->Rows.hasElements();
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}
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bool CachedContentResultSet::CCRS_Cache
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::hasCausedException( sal_Int32 nRow ) const
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{
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if( !m_pResult )
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return false;
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if( !( m_pResult->FetchError & FetchError::EXCEPTION ) )
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return false;
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sal_Int32 nEnd = m_pResult->StartIndex;
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if( m_pResult->Orientation )
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nEnd += m_pResult->Rows.getLength();
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return nRow == nEnd+1;
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}
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Any& CachedContentResultSet::CCRS_Cache
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::getRowAny( sal_Int32 nRow )
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{
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if( !nRow )
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throw SQLException();
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if( !m_pResult )
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throw SQLException();
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if( !hasRow( nRow ) )
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throw SQLException();
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sal_Int32 nDiff = nRow - m_pResult->StartIndex;
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if( nDiff < 0 )
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nDiff *= -1;
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return m_pResult->Rows.getArray()[nDiff];
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}
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void CachedContentResultSet::CCRS_Cache
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::remindMapped( sal_Int32 nRow )
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{
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//remind that this row was mapped
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if( !m_pResult )
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return;
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sal_Int32 nDiff = nRow - m_pResult->StartIndex;
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if( nDiff < 0 )
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nDiff *= -1;
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Sequence< sal_Bool >& rMappedReminder = getMappedReminder();
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if( nDiff < rMappedReminder.getLength() )
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{
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sal_Bool* pMappedReminder = rMappedReminder.getArray();
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pMappedReminder[nDiff] = true;
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}
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}
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bool CachedContentResultSet::CCRS_Cache
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::isRowMapped( sal_Int32 nRow )
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{
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if( !m_pMappedReminder || !m_pResult )
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return false;
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sal_Int32 nDiff = nRow - m_pResult->StartIndex;
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if( nDiff < 0 )
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nDiff *= -1;
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if( nDiff < m_pMappedReminder->getLength() )
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return (*m_pMappedReminder)[nDiff];
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return false;
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}
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Sequence< sal_Bool >& CachedContentResultSet::CCRS_Cache
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::getMappedReminder()
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{
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if( !m_pMappedReminder )
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{
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sal_Int32 nCount = m_pResult->Rows.getLength();
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m_pMappedReminder.emplace( nCount );
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std::fill_n(m_pMappedReminder->getArray(), m_pMappedReminder->getLength(), false);
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}
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return *m_pMappedReminder;
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}
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const Any& CachedContentResultSet::CCRS_Cache
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::getAny( sal_Int32 nRow, sal_Int32 nColumnIndex )
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{
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if( !nColumnIndex )
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throw SQLException();
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if( m_xContentIdentifierMapping.is() && !isRowMapped( nRow ) )
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{
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Any& rRow = getRowAny( nRow );
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Sequence< Any > aValue;
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rRow >>= aValue;
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if( m_xContentIdentifierMapping->mapRow( aValue ) )
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{
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rRow <<= aValue;
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remindMapped( nRow );
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}
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else
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m_xContentIdentifierMapping.clear();
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}
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auto & rowAny = getRowAny(nRow);
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auto rRow = o3tl::doAccess<Sequence<Any>>(rowAny);
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if( nColumnIndex > rRow->getLength() )
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throw SQLException();
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return (*rRow)[nColumnIndex-1];
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}
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OUString const & CachedContentResultSet::CCRS_Cache
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::getContentIdentifierString( sal_Int32 nRow )
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{
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try
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{
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if( m_xContentIdentifierMapping.is() && !isRowMapped( nRow ) )
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{
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Any& rRow = getRowAny( nRow );
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OUString aValue;
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rRow >>= aValue;
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rRow <<= m_xContentIdentifierMapping->mapContentIdentifierString( aValue );
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remindMapped( nRow );
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}
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return *o3tl::doAccess<OUString>(getRowAny(nRow));
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}
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catch(const SQLException& ex)
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{
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css::uno::Any anyEx = cppu::getCaughtException();
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throw css::lang::WrappedTargetRuntimeException( ex.Message,
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css::uno::Reference< css::uno::XInterface >(),
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anyEx );
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}
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}
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Reference< XContentIdentifier > CachedContentResultSet::CCRS_Cache
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::getContentIdentifier( sal_Int32 nRow )
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{
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try
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{
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if( m_xContentIdentifierMapping.is() && !isRowMapped( nRow ) )
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{
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Any& rRow = getRowAny( nRow );
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Reference< XContentIdentifier > aValue;
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rRow >>= aValue;
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rRow <<= m_xContentIdentifierMapping->mapContentIdentifier( aValue );
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remindMapped( nRow );
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}
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return *o3tl::doAccess<Reference<XContentIdentifier>>(getRowAny(nRow));
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}
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catch(const SQLException& ex)
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{
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css::uno::Any anyEx = cppu::getCaughtException();
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throw css::lang::WrappedTargetRuntimeException( ex.Message,
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css::uno::Reference< css::uno::XInterface >(),
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anyEx );
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}
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}
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Reference< XContent > CachedContentResultSet::CCRS_Cache
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::getContent( sal_Int32 nRow )
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{
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try
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{
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if( m_xContentIdentifierMapping.is() && !isRowMapped( nRow ) )
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{
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Any& rRow = getRowAny( nRow );
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Reference< XContent > aValue;
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rRow >>= aValue;
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rRow <<= m_xContentIdentifierMapping->mapContent( aValue );
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remindMapped( nRow );
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}
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return *o3tl::doAccess<Reference<XContent>>(getRowAny(nRow));
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}
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catch (const SQLException& ex)
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{
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css::uno::Any anyEx = cppu::getCaughtException();
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throw css::lang::WrappedTargetRuntimeException( ex.Message,
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css::uno::Reference< css::uno::XInterface >(),
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anyEx );
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}
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}
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class CCRS_PropertySetInfo :
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public cppu::OWeakObject,
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public css::lang::XTypeProvider,
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public css::beans::XPropertySetInfo
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{
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friend class CachedContentResultSet;
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//my Properties
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std::optional<Sequence< css::beans::Property >>
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m_xProperties;
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sal_Int32 m_nFetchSizePropertyHandle;
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sal_Int32 m_nFetchDirectionPropertyHandle;
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private:
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sal_Int32
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impl_getRemainedHandle() const;
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bool
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impl_queryProperty(
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std::u16string_view rName
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, css::beans::Property& rProp ) const;
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sal_Int32
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impl_getPos( std::u16string_view rName ) const;
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static bool
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impl_isMyPropertyName( std::u16string_view rName );
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public:
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explicit CCRS_PropertySetInfo( Reference<
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XPropertySetInfo > const & xPropertySetInfoOrigin );
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// XInterface
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virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
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virtual void SAL_CALL acquire()
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noexcept override;
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virtual void SAL_CALL release()
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noexcept override;
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// XTypeProvider
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virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
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virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
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// XPropertySetInfo
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virtual Sequence< css::beans::Property > SAL_CALL
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getProperties() override;
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virtual css::beans::Property SAL_CALL
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getPropertyByName( const OUString& aName ) override;
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virtual sal_Bool SAL_CALL
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hasPropertyByName( const OUString& Name ) override;
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};
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//some helping variables ( names for my special properties )
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const char16_t g_sPropertyNameForCount[] = u"RowCount";
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const char16_t g_sPropertyNameForFinalCount[] = u"IsRowCountFinal";
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constexpr OUString g_sPropertyNameForFetchSize(u"FetchSize"_ustr);
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constexpr OUString g_sPropertyNameForFetchDirection(u"FetchDirection"_ustr);
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CCRS_PropertySetInfo::CCRS_PropertySetInfo(
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Reference< XPropertySetInfo > const & xInfo )
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: m_nFetchSizePropertyHandle( -1 )
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, m_nFetchDirectionPropertyHandle( -1 )
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{
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//initialize list of properties:
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// it is required, that the received xInfo contains the two
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// properties with names 'g_sPropertyNameForCount' and
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// 'g_sPropertyNameForFinalCount'
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if( xInfo.is() )
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{
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m_xProperties = xInfo->getProperties();
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}
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else
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{
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OSL_FAIL( "The received XPropertySetInfo doesn't contain required properties" );
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m_xProperties.emplace();
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}
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//ensure, that we haven't got the Properties 'FetchSize' and 'Direction' twice:
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sal_Int32 nFetchSize = impl_getPos( g_sPropertyNameForFetchSize );
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sal_Int32 nFetchDirection = impl_getPos( g_sPropertyNameForFetchDirection );
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sal_Int32 nDeleted = 0;
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if( nFetchSize != -1 )
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nDeleted++;
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if( nFetchDirection != -1 )
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nDeleted++;
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Sequence< Property > aOrigProps( *m_xProperties );
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sal_Int32 nOrigProps = aOrigProps.getLength();
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m_xProperties->realloc( nOrigProps + 2 - nDeleted );//note that nDeleted is <= 2
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auto pProperties = m_xProperties->getArray();
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for( sal_Int32 n = 0, m = 0; n < nOrigProps; n++, m++ )
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{
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if( n == nFetchSize || n == nFetchDirection )
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m--;
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else
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pProperties[ m ] = aOrigProps[ n ];
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}
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{
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Property& rMyProp = pProperties[ nOrigProps - nDeleted ];
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rMyProp.Name = g_sPropertyNameForFetchSize;
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rMyProp.Type = cppu::UnoType<sal_Int32>::get();
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rMyProp.Attributes = PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT;
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if( nFetchSize != -1 )
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m_nFetchSizePropertyHandle = aOrigProps[nFetchSize].Handle;
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else
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m_nFetchSizePropertyHandle = impl_getRemainedHandle();
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rMyProp.Handle = m_nFetchSizePropertyHandle;
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}
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{
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Property& rMyProp = pProperties[ nOrigProps - nDeleted + 1 ];
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rMyProp.Name = g_sPropertyNameForFetchDirection;
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rMyProp.Type = cppu::UnoType<sal_Bool>::get();
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rMyProp.Attributes = PropertyAttribute::BOUND | PropertyAttribute::MAYBEDEFAULT;
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m_nFetchDirectionPropertyHandle = rMyProp.Handle;
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}
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}
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// XInterface methods.
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void SAL_CALL CCRS_PropertySetInfo::acquire()
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noexcept
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{
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OWeakObject::acquire();
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}
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void SAL_CALL CCRS_PropertySetInfo::release()
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noexcept
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{
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OWeakObject::release();
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}
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css::uno::Any SAL_CALL CCRS_PropertySetInfo::queryInterface( const css::uno::Type & rType )
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{
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css::uno::Any aRet = cppu::queryInterface( rType,
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static_cast< XTypeProvider* >(this),
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static_cast< XPropertySetInfo* >(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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//list all interfaces exclusive baseclasses
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XTYPEPROVIDER_IMPL_2( CCRS_PropertySetInfo
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, XTypeProvider
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, XPropertySetInfo
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);
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// XPropertySetInfo methods.
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//virtual
|
|
Sequence< Property > SAL_CALL CCRS_PropertySetInfo
|
|
::getProperties()
|
|
{
|
|
return *m_xProperties;
|
|
}
|
|
|
|
//virtual
|
|
Property SAL_CALL CCRS_PropertySetInfo
|
|
::getPropertyByName( const OUString& aName )
|
|
{
|
|
Property aProp;
|
|
if ( impl_queryProperty( aName, aProp ) )
|
|
return aProp;
|
|
|
|
throw UnknownPropertyException(aName);
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CCRS_PropertySetInfo
|
|
::hasPropertyByName( const OUString& Name )
|
|
{
|
|
return ( impl_getPos( Name ) != -1 );
|
|
}
|
|
|
|
|
|
// impl_ methods.
|
|
|
|
|
|
sal_Int32 CCRS_PropertySetInfo
|
|
::impl_getPos( std::u16string_view rName ) const
|
|
{
|
|
for( sal_Int32 nN = m_xProperties->getLength(); nN--; )
|
|
{
|
|
const Property& rMyProp = (*m_xProperties)[nN];
|
|
if( rMyProp.Name == rName )
|
|
return nN;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
bool CCRS_PropertySetInfo
|
|
::impl_queryProperty( std::u16string_view rName, Property& rProp ) const
|
|
{
|
|
for (const Property& rMyProp : *m_xProperties)
|
|
{
|
|
if( rMyProp.Name == rName )
|
|
{
|
|
rProp.Name = rMyProp.Name;
|
|
rProp.Handle = rMyProp.Handle;
|
|
rProp.Type = rMyProp.Type;
|
|
rProp.Attributes = rMyProp.Attributes;
|
|
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//static
|
|
bool CCRS_PropertySetInfo
|
|
::impl_isMyPropertyName( std::u16string_view rPropertyName )
|
|
{
|
|
return ( rPropertyName == g_sPropertyNameForCount
|
|
|| rPropertyName == g_sPropertyNameForFinalCount
|
|
|| rPropertyName == g_sPropertyNameForFetchSize
|
|
|| rPropertyName == g_sPropertyNameForFetchDirection );
|
|
}
|
|
|
|
sal_Int32 CCRS_PropertySetInfo
|
|
::impl_getRemainedHandle( ) const
|
|
{
|
|
sal_Int32 nHandle = 1;
|
|
|
|
if( !m_xProperties )
|
|
{
|
|
OSL_FAIL( "Properties not initialized yet" );
|
|
return nHandle;
|
|
}
|
|
bool bFound = true;
|
|
while( bFound )
|
|
{
|
|
bFound = false;
|
|
for (const auto& rProp : *m_xProperties)
|
|
{
|
|
if( nHandle == rProp.Handle )
|
|
{
|
|
bFound = true;
|
|
nHandle++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return nHandle;
|
|
}
|
|
|
|
|
|
|
|
|
|
CachedContentResultSet::CachedContentResultSet(
|
|
const Reference< XComponentContext > & rxContext
|
|
, const Reference< XResultSet > & xOrigin
|
|
, const Reference< XContentIdentifierMapping > &
|
|
xContentIdentifierMapping )
|
|
: ContentResultSetWrapper( xOrigin )
|
|
|
|
, m_xContext( rxContext )
|
|
|
|
, m_xContentIdentifierMapping( xContentIdentifierMapping )
|
|
, m_nRow( 0 ) // Position is one-based. Zero means: before first element.
|
|
, m_bAfterLast( false )
|
|
, m_nLastAppliedPos( 0 )
|
|
, m_bAfterLastApplied( false )
|
|
, m_nKnownCount( 0 )
|
|
, m_bFinalCount( false )
|
|
, m_nFetchSize(
|
|
COMSUNSTARUCBCCRS_DEFAULT_FETCH_SIZE )
|
|
, m_nFetchDirection(
|
|
COMSUNSTARUCBCCRS_DEFAULT_FETCH_DIRECTION )
|
|
|
|
, m_bLastReadWasFromCache( false )
|
|
, m_bLastCachedReadWasNull( true )
|
|
, m_aCache( m_xContentIdentifierMapping )
|
|
, m_aCacheContentIdentifierString( m_xContentIdentifierMapping )
|
|
, m_aCacheContentIdentifier( m_xContentIdentifierMapping )
|
|
, m_aCacheContent( m_xContentIdentifierMapping )
|
|
, m_bTriedToGetTypeConverter( false )
|
|
{
|
|
m_xFetchProvider.set( m_xResultSetOrigin, UNO_QUERY );
|
|
OSL_ENSURE( m_xFetchProvider.is(), "interface XFetchProvider is required" );
|
|
|
|
m_xFetchProviderForContentAccess.set( m_xResultSetOrigin, UNO_QUERY );
|
|
OSL_ENSURE( m_xFetchProviderForContentAccess.is(), "interface XFetchProviderForContentAccess is required" );
|
|
|
|
impl_init();
|
|
};
|
|
|
|
CachedContentResultSet::~CachedContentResultSet()
|
|
{
|
|
impl_deinit();
|
|
//do not delete m_pMyPropSetInfo, cause it is hold via reference
|
|
};
|
|
|
|
|
|
// impl_ methods.
|
|
|
|
|
|
bool CachedContentResultSet
|
|
::applyPositionToOrigin( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow )
|
|
{
|
|
impl_EnsureNotDisposed(rGuard);
|
|
|
|
/**
|
|
@returns
|
|
<TRUE/> if the cursor is on a valid row; <FALSE/> if it is off
|
|
the result set.
|
|
*/
|
|
|
|
OSL_ENSURE( nRow >= 0, "only positive values supported" );
|
|
if( !m_xResultSetOrigin.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
return false;
|
|
}
|
|
// OSL_ENSURE( nRow <= m_nKnownCount, "don't step into regions you don't know with this method" );
|
|
|
|
sal_Int32 nLastAppliedPos = m_nLastAppliedPos;
|
|
bool bAfterLastApplied = m_bAfterLastApplied;
|
|
bool bAfterLast = m_bAfterLast;
|
|
sal_Int32 nForwardOnly = m_nForwardOnly;
|
|
|
|
rGuard.unlock();
|
|
|
|
if( bAfterLastApplied || nLastAppliedPos != nRow )
|
|
{
|
|
if( nForwardOnly == 1 )
|
|
{
|
|
if( bAfterLastApplied || bAfterLast || !nRow || nRow < nLastAppliedPos )
|
|
throw SQLException();
|
|
|
|
sal_Int32 nN = nRow - nLastAppliedPos;
|
|
sal_Int32 nM;
|
|
for( nM = 0; nN--; nM++ )
|
|
{
|
|
if( !m_xResultSetOrigin->next() )
|
|
break;
|
|
}
|
|
|
|
rGuard.lock();
|
|
m_nLastAppliedPos += nM;
|
|
m_bAfterLastApplied = nRow != m_nLastAppliedPos;
|
|
return nRow == m_nLastAppliedPos;
|
|
}
|
|
|
|
if( !nRow ) //absolute( 0 ) will throw exception
|
|
{
|
|
m_xResultSetOrigin->beforeFirst();
|
|
|
|
rGuard.lock();
|
|
m_nLastAppliedPos = 0;
|
|
m_bAfterLastApplied = false;
|
|
return false;
|
|
}
|
|
try
|
|
{
|
|
//move absolute, if !nLastAppliedPos
|
|
//because move relative would throw exception
|
|
if( !nLastAppliedPos || bAfterLast || bAfterLastApplied )
|
|
{
|
|
bool bValid = m_xResultSetOrigin->absolute( nRow );
|
|
|
|
rGuard.lock();
|
|
m_nLastAppliedPos = nRow;
|
|
m_bAfterLastApplied = !bValid;
|
|
return bValid;
|
|
}
|
|
else
|
|
{
|
|
bool bValid = m_xResultSetOrigin->relative( nRow - nLastAppliedPos );
|
|
|
|
rGuard.lock();
|
|
m_nLastAppliedPos += ( nRow - nLastAppliedPos );
|
|
m_bAfterLastApplied = !bValid;
|
|
return bValid;
|
|
}
|
|
}
|
|
catch (const SQLException&)
|
|
{
|
|
rGuard.lock();
|
|
if( !bAfterLastApplied && !bAfterLast && nRow > nLastAppliedPos && impl_isForwardOnly(rGuard) )
|
|
{
|
|
sal_Int32 nN = nRow - nLastAppliedPos;
|
|
sal_Int32 nM;
|
|
for( nM = 0; nN--; nM++ )
|
|
{
|
|
if( !m_xResultSetOrigin->next() )
|
|
break;
|
|
}
|
|
|
|
m_nLastAppliedPos += nM;
|
|
m_bAfterLastApplied = nRow != m_nLastAppliedPos;
|
|
}
|
|
else
|
|
throw;
|
|
}
|
|
|
|
return nRow == m_nLastAppliedPos;
|
|
}
|
|
return true;
|
|
};
|
|
|
|
|
|
//define for fetching data
|
|
|
|
|
|
#define FETCH_XXX( aCache, fetchInterface, fetchMethod ) \
|
|
bool bDirection = !!( \
|
|
nFetchDirection != FetchDirection::REVERSE ); \
|
|
FetchResult aResult = \
|
|
fetchInterface->fetchMethod( nRow, nFetchSize, bDirection ); \
|
|
aCache.loadData( aResult ); \
|
|
sal_Int32 nMax = aCache.getMaxRow(); \
|
|
sal_Int32 nCurCount = m_nKnownCount; \
|
|
bool bIsFinalCount = aCache.hasKnownLast(); \
|
|
bool bCurIsFinalCount = m_bFinalCount; \
|
|
if( nMax > nCurCount ) \
|
|
impl_changeRowCount( rGuard, nCurCount, nMax ); \
|
|
if( bIsFinalCount && !bCurIsFinalCount ) \
|
|
impl_changeIsRowCountFinal( rGuard, bCurIsFinalCount, bIsFinalCount );
|
|
|
|
void CachedContentResultSet
|
|
::impl_fetchData( std::unique_lock<std::mutex>& rGuard, sal_Int32 nRow
|
|
, sal_Int32 nFetchSize, sal_Int32 nFetchDirection )
|
|
{
|
|
FETCH_XXX( m_aCache, m_xFetchProvider, fetch );
|
|
}
|
|
|
|
void CachedContentResultSet
|
|
::impl_changeRowCount( std::unique_lock<std::mutex>& rGuard, sal_Int32 nOld, sal_Int32 nNew )
|
|
{
|
|
OSL_ENSURE( nNew > nOld, "RowCount only can grow" );
|
|
if( nNew <= nOld )
|
|
return;
|
|
|
|
//create PropertyChangeEvent and set value
|
|
PropertyChangeEvent aEvt;
|
|
aEvt.Source = static_cast< XPropertySet * >( this );
|
|
aEvt.Further = false;
|
|
aEvt.OldValue <<= nOld;
|
|
aEvt.NewValue <<= nNew;
|
|
|
|
m_nKnownCount = nNew;
|
|
|
|
//send PropertyChangeEvent to listeners
|
|
impl_notifyPropertyChangeListeners( rGuard, aEvt );
|
|
}
|
|
|
|
void CachedContentResultSet
|
|
::impl_changeIsRowCountFinal( std::unique_lock<std::mutex>& rGuard, bool bOld, bool bNew )
|
|
{
|
|
OSL_ENSURE( !bOld && bNew, "This change is not allowed for IsRowCountFinal" );
|
|
if( bOld || !bNew )
|
|
return;
|
|
|
|
//create PropertyChangeEvent and set value
|
|
PropertyChangeEvent aEvt;
|
|
aEvt.Source = static_cast< XPropertySet * >( this );
|
|
aEvt.Further = false;
|
|
aEvt.OldValue <<= bOld;
|
|
aEvt.NewValue <<= bNew;
|
|
|
|
m_bFinalCount = bNew;
|
|
|
|
//send PropertyChangeEvent to listeners
|
|
impl_notifyPropertyChangeListeners( rGuard, aEvt );
|
|
}
|
|
|
|
bool CachedContentResultSet
|
|
::impl_isKnownValidPosition( std::unique_lock<std::mutex>& /*rGuard*/, sal_Int32 nRow ) const
|
|
{
|
|
return m_nKnownCount && nRow
|
|
&& nRow <= m_nKnownCount;
|
|
}
|
|
|
|
bool CachedContentResultSet
|
|
::impl_isKnownInvalidPosition( std::unique_lock<std::mutex>& /*rGuard*/, sal_Int32 nRow ) const
|
|
{
|
|
if( !nRow )
|
|
return true;
|
|
if( !m_bFinalCount )
|
|
return false;
|
|
return nRow > m_nKnownCount;
|
|
}
|
|
|
|
|
|
//virtual
|
|
void CachedContentResultSet
|
|
::impl_initPropertySetInfo(std::unique_lock<std::mutex>& rGuard)
|
|
{
|
|
ContentResultSetWrapper::impl_initPropertySetInfo(rGuard);
|
|
|
|
if( m_xMyPropertySetInfo.is() )
|
|
return;
|
|
m_xMyPropertySetInfo = new CCRS_PropertySetInfo( m_xPropertySetInfo );
|
|
m_xPropertySetInfo = m_xMyPropertySetInfo.get();
|
|
}
|
|
|
|
|
|
// XInterface methods.
|
|
void SAL_CALL CachedContentResultSet::acquire()
|
|
noexcept
|
|
{
|
|
OWeakObject::acquire();
|
|
}
|
|
|
|
void SAL_CALL CachedContentResultSet::release()
|
|
noexcept
|
|
{
|
|
OWeakObject::release();
|
|
}
|
|
|
|
Any SAL_CALL CachedContentResultSet
|
|
::queryInterface( const Type& rType )
|
|
{
|
|
//list all interfaces inclusive baseclasses of interfaces
|
|
|
|
Any aRet = ContentResultSetWrapper::queryInterface( rType );
|
|
if( aRet.hasValue() )
|
|
return aRet;
|
|
|
|
aRet = cppu::queryInterface( rType,
|
|
static_cast< XTypeProvider* >( this ),
|
|
static_cast< XServiceInfo* >( this ) );
|
|
|
|
return aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType );
|
|
}
|
|
|
|
|
|
// XTypeProvider methods.
|
|
|
|
//list all interfaces exclusive baseclasses
|
|
XTYPEPROVIDER_IMPL_11( CachedContentResultSet
|
|
, XTypeProvider
|
|
, XServiceInfo
|
|
, XComponent
|
|
, XCloseable
|
|
, XResultSetMetaDataSupplier
|
|
, XPropertySet
|
|
|
|
, XPropertyChangeListener
|
|
, XVetoableChangeListener
|
|
|
|
, XContentAccess
|
|
|
|
, XResultSet
|
|
, XRow );
|
|
|
|
|
|
// XServiceInfo methods.
|
|
|
|
OUString SAL_CALL CachedContentResultSet::getImplementationName()
|
|
{
|
|
return u"com.sun.star.comp.ucb.CachedContentResultSet"_ustr;
|
|
}
|
|
|
|
sal_Bool SAL_CALL CachedContentResultSet::supportsService( const OUString& ServiceName )
|
|
{
|
|
return cppu::supportsService( this, ServiceName );
|
|
}
|
|
|
|
css::uno::Sequence< OUString > SAL_CALL CachedContentResultSet::getSupportedServiceNames()
|
|
{
|
|
return { u"com.sun.star.ucb.CachedContentResultSet"_ustr };
|
|
}
|
|
|
|
|
|
|
|
// XPropertySet methods. ( inherited )
|
|
|
|
|
|
// virtual
|
|
void CachedContentResultSet
|
|
::setPropertyValueImpl( std::unique_lock<std::mutex>& rGuard, const OUString& aPropertyName, const Any& aValue )
|
|
{
|
|
impl_EnsureNotDisposed(rGuard);
|
|
|
|
if( !getPropertySetInfoImpl(rGuard).is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
throw UnknownPropertyException();
|
|
}
|
|
|
|
Property aProp = m_xMyPropertySetInfo->getPropertyByName( aPropertyName );
|
|
//throws UnknownPropertyException, if so
|
|
|
|
if( aProp.Attributes & PropertyAttribute::READONLY )
|
|
{
|
|
//It is assumed, that the properties
|
|
//'RowCount' and 'IsRowCountFinal' are readonly!
|
|
throw IllegalArgumentException();
|
|
}
|
|
if( aProp.Name == g_sPropertyNameForFetchDirection )
|
|
{
|
|
//check value
|
|
sal_Int32 nNew;
|
|
if( !( aValue >>= nNew ) )
|
|
{
|
|
throw IllegalArgumentException();
|
|
}
|
|
|
|
if( nNew == FetchDirection::UNKNOWN )
|
|
{
|
|
nNew = COMSUNSTARUCBCCRS_DEFAULT_FETCH_DIRECTION;
|
|
}
|
|
else if( nNew != FetchDirection::FORWARD && nNew != FetchDirection::REVERSE )
|
|
{
|
|
throw IllegalArgumentException();
|
|
}
|
|
|
|
//create PropertyChangeEvent and set value
|
|
PropertyChangeEvent aEvt;
|
|
aEvt.Source = static_cast< XPropertySet * >( this );
|
|
aEvt.PropertyName = aPropertyName;
|
|
aEvt.Further = false;
|
|
aEvt.PropertyHandle = m_xMyPropertySetInfo->
|
|
m_nFetchDirectionPropertyHandle;
|
|
aEvt.OldValue <<= m_nFetchDirection;
|
|
aEvt.NewValue <<= nNew;
|
|
|
|
m_nFetchDirection = nNew;
|
|
|
|
//send PropertyChangeEvent to listeners
|
|
impl_notifyPropertyChangeListeners( rGuard, aEvt );
|
|
}
|
|
else if( aProp.Name == g_sPropertyNameForFetchSize )
|
|
{
|
|
//check value
|
|
sal_Int32 nNew;
|
|
if( !( aValue >>= nNew ) )
|
|
{
|
|
throw IllegalArgumentException();
|
|
}
|
|
|
|
if( nNew < 0 )
|
|
{
|
|
nNew = COMSUNSTARUCBCCRS_DEFAULT_FETCH_SIZE;
|
|
}
|
|
|
|
//create PropertyChangeEvent and set value
|
|
PropertyChangeEvent aEvt;
|
|
aEvt.Source = static_cast< XPropertySet * >( this );
|
|
aEvt.PropertyName = aPropertyName;
|
|
aEvt.Further = false;
|
|
aEvt.PropertyHandle = m_xMyPropertySetInfo->
|
|
m_nFetchSizePropertyHandle;
|
|
aEvt.OldValue <<= m_nFetchSize;
|
|
aEvt.NewValue <<= nNew;
|
|
|
|
m_nFetchSize = nNew;
|
|
|
|
//send PropertyChangeEvent to listeners
|
|
impl_notifyPropertyChangeListeners( rGuard, aEvt );
|
|
}
|
|
else
|
|
{
|
|
impl_init_xPropertySetOrigin(rGuard);
|
|
if( !m_xPropertySetOrigin.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
return;
|
|
}
|
|
m_xPropertySetOrigin->setPropertyValue( aPropertyName, aValue );
|
|
}
|
|
}
|
|
|
|
|
|
// virtual
|
|
Any SAL_CALL CachedContentResultSet
|
|
::getPropertyValue( const OUString& rPropertyName )
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( !getPropertySetInfoImpl(aGuard).is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
throw UnknownPropertyException();
|
|
}
|
|
|
|
m_xMyPropertySetInfo->getPropertyByName( rPropertyName );
|
|
//throws UnknownPropertyException, if so
|
|
|
|
Any aValue;
|
|
if( rPropertyName == g_sPropertyNameForCount )
|
|
{
|
|
aValue <<= m_nKnownCount;
|
|
}
|
|
else if( rPropertyName == g_sPropertyNameForFinalCount )
|
|
{
|
|
aValue <<= m_bFinalCount;
|
|
}
|
|
else if( rPropertyName == g_sPropertyNameForFetchSize )
|
|
{
|
|
aValue <<= m_nFetchSize;
|
|
}
|
|
else if( rPropertyName == g_sPropertyNameForFetchDirection )
|
|
{
|
|
aValue <<= m_nFetchDirection;
|
|
}
|
|
else
|
|
{
|
|
impl_init_xPropertySetOrigin(aGuard);
|
|
if( !m_xPropertySetOrigin.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
throw UnknownPropertyException();
|
|
}
|
|
aGuard.unlock();
|
|
aValue = m_xPropertySetOrigin->getPropertyValue( rPropertyName );
|
|
}
|
|
return aValue;
|
|
}
|
|
|
|
|
|
// own methods. ( inherited )
|
|
|
|
|
|
//virtual, only called from ContentResultSetWrapperListener
|
|
void CachedContentResultSet
|
|
::impl_disposing( const EventObject& rEventObject )
|
|
{
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
//release all references to the broadcaster:
|
|
m_xFetchProvider.clear();
|
|
m_xFetchProviderForContentAccess.clear();
|
|
}
|
|
ContentResultSetWrapper::impl_disposing( rEventObject );
|
|
}
|
|
|
|
//virtual, only called from ContentResultSetWrapperListener
|
|
void CachedContentResultSet
|
|
::impl_propertyChange( const PropertyChangeEvent& rEvt )
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
PropertyChangeEvent aEvt( rEvt );
|
|
aEvt.Source = static_cast< XPropertySet * >( this );
|
|
aEvt.Further = false;
|
|
|
|
|
|
if( CCRS_PropertySetInfo
|
|
::impl_isMyPropertyName( rEvt.PropertyName ) )
|
|
{
|
|
//don't notify foreign events on fetchsize and fetchdirection
|
|
if( aEvt.PropertyName == g_sPropertyNameForFetchSize
|
|
|| aEvt.PropertyName == g_sPropertyNameForFetchDirection )
|
|
return;
|
|
|
|
//adjust my props 'RowCount' and 'IsRowCountFinal'
|
|
if( aEvt.PropertyName == g_sPropertyNameForCount )
|
|
{//RowCount changed
|
|
|
|
//check value
|
|
sal_Int32 nNew = 0;
|
|
if( !( aEvt.NewValue >>= nNew ) )
|
|
{
|
|
OSL_FAIL( "PropertyChangeEvent contains wrong data" );
|
|
return;
|
|
}
|
|
|
|
impl_changeRowCount( aGuard, m_nKnownCount, nNew );
|
|
}
|
|
else if( aEvt.PropertyName == g_sPropertyNameForFinalCount )
|
|
{//IsRowCountFinal changed
|
|
|
|
//check value
|
|
bool bNew = false;
|
|
if( !( aEvt.NewValue >>= bNew ) )
|
|
{
|
|
OSL_FAIL( "PropertyChangeEvent contains wrong data" );
|
|
return;
|
|
}
|
|
impl_changeIsRowCountFinal( aGuard, m_bFinalCount, bNew );
|
|
}
|
|
return;
|
|
}
|
|
|
|
|
|
impl_notifyPropertyChangeListeners( aGuard, aEvt );
|
|
}
|
|
|
|
|
|
//virtual, only called from ContentResultSetWrapperListener
|
|
void CachedContentResultSet
|
|
::impl_vetoableChange( const PropertyChangeEvent& rEvt )
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
//don't notify events on my properties, cause they are not vetoable
|
|
if( CCRS_PropertySetInfo
|
|
::impl_isMyPropertyName( rEvt.PropertyName ) )
|
|
{
|
|
return;
|
|
}
|
|
|
|
|
|
PropertyChangeEvent aEvt( rEvt );
|
|
aEvt.Source = static_cast< XPropertySet * >( this );
|
|
aEvt.Further = false;
|
|
|
|
impl_notifyVetoableChangeListeners( aGuard, aEvt );
|
|
}
|
|
|
|
|
|
// XContentAccess methods. ( inherited ) ( -- position dependent )
|
|
|
|
|
|
#define XCONTENTACCESS_queryXXX( queryXXX, XXX, TYPE ) \
|
|
impl_EnsureNotDisposed(rGuard); \
|
|
sal_Int32 nRow = m_nRow; \
|
|
sal_Int32 nFetchSize = m_nFetchSize; \
|
|
sal_Int32 nFetchDirection = m_nFetchDirection; \
|
|
if( !m_aCache##XXX.hasRow( nRow ) ) \
|
|
{ \
|
|
try \
|
|
{ \
|
|
if( !m_aCache##XXX.hasCausedException( nRow ) ) \
|
|
{ \
|
|
if( !m_xFetchProviderForContentAccess.is() ) \
|
|
{ \
|
|
OSL_FAIL( "broadcaster was disposed already" ); \
|
|
throw RuntimeException(); \
|
|
} \
|
|
if( impl_isForwardOnly(rGuard) ) \
|
|
applyPositionToOrigin( rGuard, nRow ); \
|
|
\
|
|
FETCH_XXX( m_aCache##XXX, m_xFetchProviderForContentAccess, fetch##XXX##s ); \
|
|
} \
|
|
if( !m_aCache##XXX.hasRow( nRow ) ) \
|
|
{ \
|
|
applyPositionToOrigin( rGuard, nRow ); \
|
|
TYPE aRet = ContentResultSetWrapper::query##XXX();\
|
|
if( m_xContentIdentifierMapping.is() ) \
|
|
return m_xContentIdentifierMapping->map##XXX( aRet );\
|
|
return aRet; \
|
|
} \
|
|
} \
|
|
catch (const RuntimeException&) \
|
|
{ \
|
|
throw; \
|
|
} \
|
|
catch (const Exception& e) \
|
|
{ \
|
|
Any a(cppu::getCaughtException()); \
|
|
throw WrappedTargetRuntimeException( \
|
|
"wrapped Exception " + e.Message, \
|
|
Reference<XInterface>(), a); \
|
|
} \
|
|
} \
|
|
return m_aCache##XXX.get##XXX( nRow );
|
|
|
|
// virtual
|
|
OUString CachedContentResultSet
|
|
::queryContentIdentifierStringImpl(std::unique_lock<std::mutex>& rGuard)
|
|
{
|
|
XCONTENTACCESS_queryXXX( queryContentIdentifierString, ContentIdentifierString, OUString )
|
|
}
|
|
|
|
// virtual
|
|
Reference<XContentIdentifier> CachedContentResultSet
|
|
::queryContentIdentifierImpl(std::unique_lock<std::mutex>& rGuard)
|
|
{
|
|
XCONTENTACCESS_queryXXX( queryContentIdentifier, ContentIdentifier, Reference< XContentIdentifier > )
|
|
}
|
|
|
|
// virtual
|
|
Reference<XContent> CachedContentResultSet
|
|
::queryContentImpl(std::unique_lock<std::mutex>& rGuard)
|
|
{
|
|
XCONTENTACCESS_queryXXX( queryContent, Content, Reference< XContent > )
|
|
}
|
|
|
|
// XResultSet methods. ( inherited )
|
|
|
|
//virtual
|
|
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::next()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
//after last
|
|
if( m_bAfterLast )
|
|
return false;
|
|
//last
|
|
aGuard.unlock();
|
|
if( isLast() )
|
|
{
|
|
aGuard.lock();
|
|
m_nRow++;
|
|
m_bAfterLast = true;
|
|
return false;
|
|
}
|
|
aGuard.lock();
|
|
//known valid position
|
|
if( impl_isKnownValidPosition( aGuard, m_nRow + 1 ) )
|
|
{
|
|
m_nRow++;
|
|
return true;
|
|
}
|
|
|
|
//unknown position
|
|
sal_Int32 nRow = m_nRow;
|
|
|
|
bool bValid = applyPositionToOrigin( aGuard, nRow + 1 );
|
|
|
|
m_nRow = nRow + 1;
|
|
m_bAfterLast = !bValid;
|
|
return bValid;
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::previous()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( impl_isForwardOnly(aGuard) )
|
|
throw SQLException();
|
|
|
|
//before first ?:
|
|
if( !m_bAfterLast && !m_nRow )
|
|
return false;
|
|
//first ?:
|
|
if( !m_bAfterLast && m_nKnownCount && m_nRow == 1 )
|
|
{
|
|
m_nRow--;
|
|
m_bAfterLast = false;
|
|
return false;
|
|
}
|
|
//known valid position ?:
|
|
if( impl_isKnownValidPosition( aGuard, m_nRow - 1 ) )
|
|
{
|
|
m_nRow--;
|
|
m_bAfterLast = false;
|
|
return true;
|
|
}
|
|
//unknown position:
|
|
sal_Int32 nRow = m_nRow;
|
|
|
|
bool bValid = applyPositionToOrigin( aGuard, nRow - 1 );
|
|
|
|
m_nRow = nRow - 1;
|
|
m_bAfterLast = false;
|
|
return bValid;
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::absolute( sal_Int32 row )
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( !row )
|
|
throw SQLException();
|
|
|
|
if( impl_isForwardOnly(aGuard) )
|
|
throw SQLException();
|
|
|
|
if( !m_xResultSetOrigin.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
return false;
|
|
}
|
|
if( row < 0 )
|
|
{
|
|
if( m_bFinalCount )
|
|
{
|
|
sal_Int32 nNewRow = m_nKnownCount + 1 + row;
|
|
bool bValid = true;
|
|
if( nNewRow <= 0 )
|
|
{
|
|
nNewRow = 0;
|
|
bValid = false;
|
|
}
|
|
m_nRow = nNewRow;
|
|
m_bAfterLast = false;
|
|
return bValid;
|
|
}
|
|
//unknown final count:
|
|
aGuard.unlock();
|
|
|
|
bool bValid = m_xResultSetOrigin->absolute( row );
|
|
|
|
aGuard.lock();
|
|
if( m_bFinalCount )
|
|
{
|
|
sal_Int32 nNewRow = m_nKnownCount + 1 + row;
|
|
if( nNewRow < 0 )
|
|
nNewRow = 0;
|
|
m_nLastAppliedPos = nNewRow;
|
|
m_nRow = nNewRow;
|
|
m_bAfterLastApplied = m_bAfterLast = false;
|
|
return bValid;
|
|
}
|
|
aGuard.unlock();
|
|
|
|
sal_Int32 nCurRow = m_xResultSetOrigin->getRow();
|
|
|
|
aGuard.lock();
|
|
m_nLastAppliedPos = nCurRow;
|
|
m_nRow = nCurRow;
|
|
m_bAfterLast = false;
|
|
return nCurRow != 0;
|
|
}
|
|
//row > 0:
|
|
if( m_bFinalCount )
|
|
{
|
|
if( row > m_nKnownCount )
|
|
{
|
|
m_nRow = m_nKnownCount + 1;
|
|
m_bAfterLast = true;
|
|
return false;
|
|
}
|
|
m_nRow = row;
|
|
m_bAfterLast = false;
|
|
return true;
|
|
}
|
|
//unknown new position:
|
|
aGuard.unlock();
|
|
|
|
bool bValid = m_xResultSetOrigin->absolute( row );
|
|
|
|
aGuard.lock();
|
|
if( m_bFinalCount )
|
|
{
|
|
sal_Int32 nNewRow = row;
|
|
if( nNewRow > m_nKnownCount )
|
|
{
|
|
nNewRow = m_nKnownCount + 1;
|
|
m_bAfterLastApplied = m_bAfterLast = true;
|
|
}
|
|
else
|
|
m_bAfterLastApplied = m_bAfterLast = false;
|
|
|
|
m_nLastAppliedPos = nNewRow;
|
|
m_nRow = nNewRow;
|
|
return bValid;
|
|
}
|
|
aGuard.unlock();
|
|
|
|
sal_Int32 nCurRow = m_xResultSetOrigin->getRow();
|
|
bool bIsAfterLast = m_xResultSetOrigin->isAfterLast();
|
|
|
|
aGuard.lock();
|
|
m_nLastAppliedPos = nCurRow;
|
|
m_nRow = nCurRow;
|
|
m_bAfterLastApplied = m_bAfterLast = bIsAfterLast;
|
|
return nCurRow && !bIsAfterLast;
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::relative( sal_Int32 rows )
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( impl_isForwardOnly(aGuard) )
|
|
throw SQLException();
|
|
|
|
if( m_bAfterLast || impl_isKnownInvalidPosition( aGuard, m_nRow ) )
|
|
throw SQLException();
|
|
|
|
if( !rows )
|
|
return true;
|
|
|
|
sal_Int32 nNewRow = m_nRow + rows;
|
|
if( nNewRow < 0 )
|
|
nNewRow = 0;
|
|
|
|
if( impl_isKnownValidPosition( aGuard, nNewRow ) )
|
|
{
|
|
m_nRow = nNewRow;
|
|
m_bAfterLast = false;
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
//known invalid new position:
|
|
if( nNewRow == 0 )
|
|
{
|
|
m_bAfterLast = false;
|
|
m_nRow = 0;
|
|
return false;
|
|
}
|
|
if( m_bFinalCount && nNewRow > m_nKnownCount )
|
|
{
|
|
m_bAfterLast = true;
|
|
m_nRow = m_nKnownCount + 1;
|
|
return false;
|
|
}
|
|
//unknown new position:
|
|
bool bValid = applyPositionToOrigin( aGuard, nNewRow );
|
|
m_nRow = nNewRow;
|
|
m_bAfterLast = !bValid; // only nNewRow > 0 possible here
|
|
return bValid;
|
|
}
|
|
}
|
|
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::first()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( impl_isForwardOnly(aGuard) )
|
|
throw SQLException();
|
|
|
|
if( impl_isKnownValidPosition( aGuard, 1 ) )
|
|
{
|
|
m_nRow = 1;
|
|
m_bAfterLast = false;
|
|
return true;
|
|
}
|
|
if( impl_isKnownInvalidPosition( aGuard, 1 ) )
|
|
{
|
|
m_nRow = 1;
|
|
m_bAfterLast = false;
|
|
return false;
|
|
}
|
|
//unknown position
|
|
bool bValid = applyPositionToOrigin( aGuard, 1 );
|
|
m_nRow = 1;
|
|
m_bAfterLast = false;
|
|
return bValid;
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::last()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( impl_isForwardOnly(aGuard) )
|
|
throw SQLException();
|
|
|
|
if( m_bFinalCount )
|
|
{
|
|
m_nRow = m_nKnownCount;
|
|
m_bAfterLast = false;
|
|
return m_nKnownCount != 0;
|
|
}
|
|
//unknown position
|
|
if( !m_xResultSetOrigin.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
return false;
|
|
}
|
|
aGuard.unlock();
|
|
|
|
bool bValid = m_xResultSetOrigin->last();
|
|
|
|
aGuard.lock();
|
|
m_bAfterLastApplied = m_bAfterLast = false;
|
|
if( m_bFinalCount )
|
|
{
|
|
m_nLastAppliedPos = m_nKnownCount;
|
|
m_nRow = m_nKnownCount;
|
|
return bValid;
|
|
}
|
|
aGuard.unlock();
|
|
|
|
sal_Int32 nCurRow = m_xResultSetOrigin->getRow();
|
|
|
|
aGuard.lock();
|
|
m_nLastAppliedPos = nCurRow;
|
|
m_nRow = nCurRow;
|
|
OSL_ENSURE( nCurRow >= m_nKnownCount, "position of last row < known Count, that could not be" );
|
|
m_nKnownCount = nCurRow;
|
|
m_bFinalCount = true;
|
|
return nCurRow != 0;
|
|
}
|
|
|
|
//virtual
|
|
void SAL_CALL CachedContentResultSet
|
|
::beforeFirst()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( impl_isForwardOnly(aGuard) )
|
|
throw SQLException();
|
|
|
|
m_nRow = 0;
|
|
m_bAfterLast = false;
|
|
}
|
|
|
|
//virtual
|
|
void SAL_CALL CachedContentResultSet
|
|
::afterLast()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( impl_isForwardOnly(aGuard) )
|
|
throw SQLException();
|
|
|
|
m_nRow = 1;
|
|
m_bAfterLast = true;
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::isAfterLast()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( !m_bAfterLast )
|
|
return false;
|
|
if( m_nKnownCount )
|
|
return m_bAfterLast;
|
|
if( m_bFinalCount )
|
|
return false;
|
|
|
|
if( !m_xResultSetOrigin.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
return false;
|
|
}
|
|
aGuard.unlock();
|
|
|
|
//find out whether the original resultset contains rows or not
|
|
m_xResultSetOrigin->afterLast();
|
|
|
|
aGuard.lock();
|
|
m_bAfterLastApplied = true;
|
|
aGuard.unlock();
|
|
|
|
return m_xResultSetOrigin->isAfterLast();
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::isBeforeFirst()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( m_bAfterLast )
|
|
return false;
|
|
if( m_nRow )
|
|
return false;
|
|
if( m_nKnownCount )
|
|
return true;
|
|
if( m_bFinalCount )
|
|
return false;
|
|
|
|
if( !m_xResultSetOrigin.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
return false;
|
|
}
|
|
aGuard.unlock();
|
|
|
|
//find out whether the original resultset contains rows or not
|
|
m_xResultSetOrigin->beforeFirst();
|
|
|
|
aGuard.lock();
|
|
m_bAfterLastApplied = false;
|
|
m_nLastAppliedPos = 0;
|
|
aGuard.unlock();
|
|
|
|
return m_xResultSetOrigin->isBeforeFirst();
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::isFirst()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
sal_Int32 nRow = 0;
|
|
Reference< XResultSet > xResultSetOrigin;
|
|
|
|
if( m_bAfterLast )
|
|
return false;
|
|
if( m_nRow != 1 )
|
|
return false;
|
|
if( m_nKnownCount )
|
|
return true;
|
|
if( m_bFinalCount )
|
|
return false;
|
|
|
|
nRow = m_nRow;
|
|
xResultSetOrigin = m_xResultSetOrigin;
|
|
|
|
//need to ask origin
|
|
if( !applyPositionToOrigin( aGuard, nRow ) )
|
|
return false;
|
|
aGuard.unlock();
|
|
return xResultSetOrigin->isFirst();
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::isLast()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
sal_Int32 nRow = 0;
|
|
Reference< XResultSet > xResultSetOrigin;
|
|
if( m_bAfterLast )
|
|
return false;
|
|
if( m_nRow < m_nKnownCount )
|
|
return false;
|
|
if( m_bFinalCount )
|
|
return m_nKnownCount && m_nRow == m_nKnownCount;
|
|
|
|
nRow = m_nRow;
|
|
xResultSetOrigin = m_xResultSetOrigin;
|
|
|
|
//need to ask origin
|
|
if( !applyPositionToOrigin( aGuard, nRow ) )
|
|
return false;
|
|
aGuard.unlock();
|
|
return xResultSetOrigin->isLast();
|
|
}
|
|
|
|
|
|
//virtual
|
|
sal_Int32 SAL_CALL CachedContentResultSet
|
|
::getRow()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
if( m_bAfterLast )
|
|
return 0;
|
|
return m_nRow;
|
|
}
|
|
|
|
//virtual
|
|
void SAL_CALL CachedContentResultSet
|
|
::refreshRow()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
//the ContentResultSet is static and will not change
|
|
//therefore we don't need to reload anything
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::rowUpdated()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
//the ContentResultSet is static and will not change
|
|
return false;
|
|
}
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::rowInserted()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
//the ContentResultSet is static and will not change
|
|
return false;
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::rowDeleted()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
|
|
//the ContentResultSet is static and will not change
|
|
return false;
|
|
}
|
|
|
|
//virtual
|
|
Reference< XInterface > SAL_CALL CachedContentResultSet
|
|
::getStatement()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
//@todo ?return anything
|
|
return Reference< XInterface >();
|
|
}
|
|
|
|
|
|
// XRow methods. ( inherited )
|
|
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::wasNull()
|
|
{
|
|
std::unique_lock aGuard(m_aMutex);
|
|
impl_EnsureNotDisposed(aGuard);
|
|
impl_init_xRowOrigin(aGuard);
|
|
if( m_bLastReadWasFromCache )
|
|
return m_bLastCachedReadWasNull;
|
|
if( !m_xRowOrigin.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
return false;
|
|
}
|
|
aGuard.unlock();
|
|
return m_xRowOrigin->wasNull();
|
|
}
|
|
|
|
//virtual
|
|
OUString SAL_CALL CachedContentResultSet
|
|
::getString( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<OUString>(&css::sdbc::XRow::getString, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
sal_Bool SAL_CALL CachedContentResultSet
|
|
::getBoolean( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<sal_Bool>(&css::sdbc::XRow::getBoolean, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
sal_Int8 SAL_CALL CachedContentResultSet
|
|
::getByte( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<sal_Int8>(&css::sdbc::XRow::getByte, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
sal_Int16 SAL_CALL CachedContentResultSet
|
|
::getShort( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<sal_Int16>(&css::sdbc::XRow::getShort, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
sal_Int32 SAL_CALL CachedContentResultSet
|
|
::getInt( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<sal_Int32>(&css::sdbc::XRow::getInt, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
sal_Int64 SAL_CALL CachedContentResultSet
|
|
::getLong( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<sal_Int64>(&css::sdbc::XRow::getLong, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
float SAL_CALL CachedContentResultSet
|
|
::getFloat( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<float>(&css::sdbc::XRow::getFloat, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
double SAL_CALL CachedContentResultSet
|
|
::getDouble( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<double>(&css::sdbc::XRow::getDouble, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Sequence< sal_Int8 > SAL_CALL CachedContentResultSet
|
|
::getBytes( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet< css::uno::Sequence<sal_Int8> >(
|
|
&css::sdbc::XRow::getBytes, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Date SAL_CALL CachedContentResultSet
|
|
::getDate( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<css::util::Date>(
|
|
&css::sdbc::XRow::getDate, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Time SAL_CALL CachedContentResultSet
|
|
::getTime( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<css::util::Time>(
|
|
&css::sdbc::XRow::getTime, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
DateTime SAL_CALL CachedContentResultSet
|
|
::getTimestamp( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet<css::util::DateTime>(
|
|
&css::sdbc::XRow::getTimestamp, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Reference< css::io::XInputStream >
|
|
SAL_CALL CachedContentResultSet
|
|
::getBinaryStream( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet< css::uno::Reference<css::io::XInputStream> >(
|
|
&css::sdbc::XRow::getBinaryStream, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Reference< css::io::XInputStream >
|
|
SAL_CALL CachedContentResultSet
|
|
::getCharacterStream( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet< css::uno::Reference<css::io::XInputStream> >(
|
|
&css::sdbc::XRow::getCharacterStream, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Any SAL_CALL CachedContentResultSet
|
|
::getObject( sal_Int32 columnIndex,
|
|
const Reference<
|
|
css::container::XNameAccess >& typeMap )
|
|
{
|
|
//if you change this function please pay attention to
|
|
//function template rowOriginGet, where this is similar implemented
|
|
|
|
std::unique_lock aGuard(m_aMutex);
|
|
sal_Int32 nRow = m_nRow;
|
|
sal_Int32 nFetchSize = m_nFetchSize;
|
|
sal_Int32 nFetchDirection = m_nFetchDirection;
|
|
if( !m_aCache.hasRow( nRow ) )
|
|
{
|
|
if( !m_aCache.hasCausedException( nRow ) )
|
|
{
|
|
if( !m_xFetchProvider.is() )
|
|
{
|
|
OSL_FAIL( "broadcaster was disposed already" );
|
|
return Any();
|
|
}
|
|
impl_fetchData( aGuard, nRow, nFetchSize, nFetchDirection );
|
|
}
|
|
if( !m_aCache.hasRow( nRow ) )
|
|
{
|
|
m_bLastReadWasFromCache = false;
|
|
applyPositionToOrigin( aGuard, nRow );
|
|
impl_init_xRowOrigin(aGuard);
|
|
aGuard.unlock();
|
|
return m_xRowOrigin->getObject( columnIndex, typeMap );
|
|
}
|
|
}
|
|
//@todo: pay attention to typeMap
|
|
const Any& rValue = m_aCache.getAny( nRow, columnIndex );
|
|
m_bLastReadWasFromCache = true;
|
|
m_bLastCachedReadWasNull = !rValue.hasValue();
|
|
return rValue;
|
|
}
|
|
|
|
//virtual
|
|
Reference< XRef > SAL_CALL CachedContentResultSet
|
|
::getRef( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet< css::uno::Reference<css::sdbc::XRef> >(
|
|
&css::sdbc::XRow::getRef, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Reference< XBlob > SAL_CALL CachedContentResultSet
|
|
::getBlob( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet< css::uno::Reference<css::sdbc::XBlob> >(
|
|
&css::sdbc::XRow::getBlob, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Reference< XClob > SAL_CALL CachedContentResultSet
|
|
::getClob( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet< css::uno::Reference<css::sdbc::XClob> >(
|
|
&css::sdbc::XRow::getClob, columnIndex);
|
|
}
|
|
|
|
//virtual
|
|
Reference< XArray > SAL_CALL CachedContentResultSet
|
|
::getArray( sal_Int32 columnIndex )
|
|
{
|
|
return rowOriginGet< css::uno::Reference<css::sdbc::XArray> >(
|
|
&css::sdbc::XRow::getArray, columnIndex);
|
|
}
|
|
|
|
|
|
// Type Converter Support
|
|
|
|
|
|
const Reference< XTypeConverter >& CachedContentResultSet::getTypeConverter(std::unique_lock<std::mutex>& )
|
|
{
|
|
if ( !m_bTriedToGetTypeConverter && !m_xTypeConverter.is() )
|
|
{
|
|
m_bTriedToGetTypeConverter = true;
|
|
m_xTypeConverter.set( Converter::create(m_xContext) );
|
|
|
|
OSL_ENSURE( m_xTypeConverter.is(),
|
|
"PropertyValueSet::getTypeConverter() - "
|
|
"Service 'com.sun.star.script.Converter' n/a!" );
|
|
}
|
|
return m_xTypeConverter;
|
|
}
|
|
|
|
|
|
|
|
|
|
CachedContentResultSetFactory::CachedContentResultSetFactory(
|
|
const Reference< XComponentContext > & rxContext )
|
|
{
|
|
m_xContext = rxContext;
|
|
}
|
|
|
|
CachedContentResultSetFactory::~CachedContentResultSetFactory()
|
|
{
|
|
}
|
|
|
|
// CachedContentResultSetFactory XServiceInfo methods.
|
|
|
|
OUString SAL_CALL CachedContentResultSetFactory::getImplementationName()
|
|
{
|
|
return u"com.sun.star.comp.ucb.CachedContentResultSetFactory"_ustr;
|
|
}
|
|
sal_Bool SAL_CALL CachedContentResultSetFactory::supportsService( const OUString& ServiceName )
|
|
{
|
|
return cppu::supportsService( this, ServiceName );
|
|
}
|
|
css::uno::Sequence< OUString > SAL_CALL CachedContentResultSetFactory::getSupportedServiceNames()
|
|
{
|
|
return { u"com.sun.star.ucb.CachedContentResultSetFactory"_ustr };
|
|
}
|
|
|
|
// Service factory implementation.
|
|
|
|
|
|
|
|
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
|
|
ucb_CachedContentResultSetFactory_get_implementation(
|
|
css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
|
|
{
|
|
return cppu::acquire(new CachedContentResultSetFactory(context));
|
|
}
|
|
|
|
|
|
// CachedContentResultSetFactory XCachedContentResultSetFactory methods.
|
|
|
|
|
|
//virtual
|
|
Reference< XResultSet > SAL_CALL CachedContentResultSetFactory
|
|
::createCachedContentResultSet(
|
|
const Reference< XResultSet > & xSource,
|
|
const Reference< XContentIdentifierMapping > & xMapping )
|
|
{
|
|
Reference< XResultSet > xRet = new CachedContentResultSet( m_xContext, xSource, xMapping );
|
|
return xRet;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|