/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include "RowSetBase.hxx" #include "CRowSetDataColumn.hxx" #include #include "RowSetCache.hxx" #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace dbaccess; using namespace connectivity; using namespace connectivity::sdbcx; using namespace comphelper; using namespace dbtools; using namespace ::com::sun::star::uno; using namespace ::com::sun::star::beans; using namespace ::com::sun::star::sdbc; using namespace ::com::sun::star::sdb; using namespace ::com::sun::star::sdbcx; using namespace ::com::sun::star::container; using namespace ::com::sun::star::lang; using namespace ::com::sun::star::util; using namespace ::cppu; using namespace ::osl; namespace dbaccess { // OEmptyCollection class OEmptyCollection : public sdbcx::OCollection { protected: virtual void impl_refresh() override; virtual connectivity::sdbcx::ObjectType createObject(const OUString& _rName) override; public: OEmptyCollection(::cppu::OWeakObject& _rParent,::osl::Mutex& _rMutex) : OCollection(_rParent, true, _rMutex, std::vector< OUString>()){} }; void OEmptyCollection::impl_refresh() { } connectivity::sdbcx::ObjectType OEmptyCollection::createObject(const OUString& /*_rName*/) { return connectivity::sdbcx::ObjectType(); } // ORowSetBase ORowSetBase::ORowSetBase( const Reference& _rContext, ::cppu::OBroadcastHelper& _rBHelper, ::osl::Mutex* _pMutex ) :OPropertyStateContainer(_rBHelper) ,m_pMutex(_pMutex) ,m_pMySelf(nullptr) ,m_rBHelper(_rBHelper) ,m_aContext( _rContext ) ,m_nLastColumnIndex(-1) ,m_nDeletedPosition(-1) ,m_nResultSetType( ResultSetType::FORWARD_ONLY ) ,m_nResultSetConcurrency( ResultSetConcurrency::READ_ONLY ) ,m_bClone(false) ,m_bIgnoreResult(false) ,m_bBeforeFirst(true) // changed from sal_False ,m_bAfterLast(false) ,m_bIsInsertRow(false) { sal_Int32 nRBT = PropertyAttribute::READONLY | PropertyAttribute::BOUND | PropertyAttribute::TRANSIENT; registerPropertyNoMember( PROPERTY_ROWCOUNT, PROPERTY_ID_ROWCOUNT, nRBT, cppu::UnoType::get(), css::uno::Any(sal_Int32(0)) ); registerPropertyNoMember( PROPERTY_ISROWCOUNTFINAL, PROPERTY_ID_ISROWCOUNTFINAL, nRBT, cppu::UnoType::get(), css::uno::Any(false) ); } ORowSetBase::~ORowSetBase() { if(m_pColumns) { TDataColumns().swap(m_aDataColumns); m_pColumns->acquire(); m_pColumns->disposing(); } } // css::lang::XTypeProvider Sequence< Type > ORowSetBase::getTypes() { return ::comphelper::concatSequences(ORowSetBase_BASE::getTypes(),OPropertyStateContainer::getTypes()); } // css::uno::XInterface Any ORowSetBase::queryInterface( const Type & rType ) { Any aRet = ORowSetBase_BASE::queryInterface(rType); if(!aRet.hasValue()) aRet = OPropertyStateContainer::queryInterface(rType); return aRet; } void SAL_CALL ORowSetBase::getFastPropertyValue(Any& rValue,sal_Int32 nHandle) const { if(m_pCache) { switch(nHandle) { case PROPERTY_ID_ROWCOUNT: rValue <<= impl_getRowCount(); break; case PROPERTY_ID_ISROWCOUNTFINAL: rValue <<= m_pCache->m_bRowCountFinal; break; default: OPropertyStateContainer::getFastPropertyValue(rValue,nHandle); } } else OPropertyStateContainer::getFastPropertyValue(rValue,nHandle); } // OComponentHelper void SAL_CALL ORowSetBase::disposing() { MutexGuard aGuard(*m_pMutex); if ( m_pColumns ) { TDataColumns().swap(m_aDataColumns); m_pColumns->disposing(); } if ( m_pCache ) { m_pCache->deregisterOldRow(m_aOldRow); m_pCache->deleteIterator(this); } m_pCache = nullptr; } // comphelper::OPropertyArrayUsageHelper ::cppu::IPropertyArrayHelper* ORowSetBase::createArrayHelper( ) const { Sequence< Property > aProps; describeProperties(aProps); return new ::cppu::OPropertyArrayHelper(aProps); } // cppu::OPropertySetHelper ::cppu::IPropertyArrayHelper& SAL_CALL ORowSetBase::getInfoHelper() { return *getArrayHelper(); } // XRow sal_Bool SAL_CALL ORowSetBase::wasNull( ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); return !((m_nLastColumnIndex != -1) && !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is()) || (**m_aCurrentRow)[m_nLastColumnIndex].isNull(); } const ORowSetValue& ORowSetBase::getValue(sal_Int32 columnIndex) { checkCache(); return impl_getValue(columnIndex); } const ORowSetValue& ORowSetBase::impl_getValue(sal_Int32 columnIndex) { if ( m_bBeforeFirst || m_bAfterLast ) { SAL_WARN("dbaccess", "ORowSetBase::getValue: Illegal call here (we're before first or after last)!"); ::dbtools::throwSQLException( DBA_RES( RID_STR_CURSOR_BEFORE_OR_AFTER ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf ); } if ( impl_rowDeleted() ) { return m_aEmptyValue; } bool bValidCurrentRow = ( !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is() ); if ( !bValidCurrentRow ) { // currentrow is null when the clone moves the window positionCache( MOVE_NONE ); m_aCurrentRow = m_pCache->m_aMatrixIter; m_bIsInsertRow = false; OSL_ENSURE(!m_aCurrentRow.isNull(),"ORowSetBase::getValue: we don't stand on a valid row! Row is null."); bValidCurrentRow = ( !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is() ); } if ( bValidCurrentRow ) { #if OSL_DEBUG_LEVEL > 0 ORowSetMatrix::const_iterator aCacheEnd; ORowSetMatrix::iterator aCurrentRow; aCacheEnd = m_pCache->getEnd(); aCurrentRow = m_aCurrentRow; ORowSetCacheMap::const_iterator aCacheIter = m_aCurrentRow.getIter(); ORowSetCacheIterator_Helper aHelper = aCacheIter->second; ORowSetMatrix::const_iterator k = aHelper.aIterator; for (; k != m_pCache->getEnd(); ++k) { ORowSetValueVector* pTemp = k->get(); OSL_ENSURE( pTemp != reinterpret_cast(0xfeeefeee),"HALT!" ); } OSL_ENSURE(!m_aCurrentRow.isNull() && m_aCurrentRow < m_pCache->getEnd() && aCacheIter != m_pCache->m_aCacheIterators.end(),"Invalid iterator set for currentrow!"); #endif ORowSetRow rRow = *m_aCurrentRow; bool bValidPosition = rRow.is() && o3tl::make_unsigned(columnIndex) < rRow->size(); if (!bValidPosition) { SAL_WARN("dbaccess", "ORowSetBase::getValue: Invalid size of vector!"); ::dbtools::throwSQLException( DBA_RES( RID_STR_CURSOR_BEFORE_OR_AFTER ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf ); } m_nLastColumnIndex = columnIndex; return (*rRow)[m_nLastColumnIndex]; } // we should normally never reach this return m_aEmptyValue; } OUString SAL_CALL ORowSetBase::getString( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getString(); } sal_Bool SAL_CALL ORowSetBase::getBoolean( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getBool(); } sal_Int8 SAL_CALL ORowSetBase::getByte( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getInt8(); } sal_Int16 SAL_CALL ORowSetBase::getShort( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getInt16(); } sal_Int32 SAL_CALL ORowSetBase::getInt( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getInt32(); } sal_Int64 SAL_CALL ORowSetBase::getLong( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getLong(); } float SAL_CALL ORowSetBase::getFloat( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getFloat(); } double SAL_CALL ORowSetBase::getDouble( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getDouble(); } Sequence< sal_Int8 > SAL_CALL ORowSetBase::getBytes( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getSequence(); } css::util::Date SAL_CALL ORowSetBase::getDate( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getDate(); } css::util::Time SAL_CALL ORowSetBase::getTime( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getTime(); } css::util::DateTime SAL_CALL ORowSetBase::getTimestamp( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); return getValue(columnIndex).getDateTime(); } Reference< css::io::XInputStream > SAL_CALL ORowSetBase::getBinaryStream( sal_Int32 columnIndex ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); if ( m_bBeforeFirst || m_bAfterLast ) { SAL_WARN("dbaccess", "ORowSetBase::getBinaryStream: Illegal call here (we're before first or after last)!"); ::dbtools::throwSQLException( DBA_RES( RID_STR_CURSOR_BEFORE_OR_AFTER ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf ); } if ( impl_rowDeleted() ) { return nullptr; } bool bValidCurrentRow = ( !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is() ); if ( !bValidCurrentRow ) { positionCache( MOVE_NONE ); m_aCurrentRow = m_pCache->m_aMatrixIter; m_bIsInsertRow = false; OSL_ENSURE(!m_aCurrentRow.isNull(),"ORowSetBase::getBinaryStream: we don't stand on a valid row! Row is null."); bValidCurrentRow = ( !m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd() && m_aCurrentRow->is() ); } if ( bValidCurrentRow ) { m_nLastColumnIndex = columnIndex; return new ::comphelper::SequenceInputStream((**m_aCurrentRow)[m_nLastColumnIndex].getSequence()); } // we should normally never reach this return Reference< css::io::XInputStream >(); } Reference< css::io::XInputStream > SAL_CALL ORowSetBase::getCharacterStream( sal_Int32 columnIndex ) { return getBinaryStream(columnIndex); } Any SAL_CALL ORowSetBase::getObject( sal_Int32 columnIndex, const Reference< XNameAccess >& /*typeMap*/ ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); return getValue(columnIndex).makeAny(); } Reference< XRef > SAL_CALL ORowSetBase::getRef( sal_Int32 /*columnIndex*/ ) { ::dbtools::throwFeatureNotImplementedSQLException( "XRow::getRef", *m_pMySelf ); return nullptr; } Reference< XBlob > SAL_CALL ORowSetBase::getBlob( sal_Int32 columnIndex ) { return Reference< XBlob >(getValue(columnIndex).makeAny(),UNO_QUERY); } Reference< XClob > SAL_CALL ORowSetBase::getClob( sal_Int32 columnIndex ) { return Reference< XClob >(getValue(columnIndex).makeAny(),UNO_QUERY); } Reference< XArray > SAL_CALL ORowSetBase::getArray( sal_Int32 /*columnIndex*/ ) { ::dbtools::throwFeatureNotImplementedSQLException( "XRow::getArray", *m_pMySelf ); return nullptr; } // css::sdbcx::XRowLocate Any SAL_CALL ORowSetBase::getBookmark( ) { SAL_INFO("dbaccess", "ORowSetBase::getBookmark() Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); if ( m_bBeforeFirst || m_bAfterLast ) ::dbtools::throwSQLException( DBA_RES( RID_STR_NO_BOOKMARK_BEFORE_OR_AFTER ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf ); if ( impl_rowDeleted() ) ::dbtools::throwSQLException( DBA_RES( RID_STR_NO_BOOKMARK_DELETED ), StandardSQLState::INVALID_CURSOR_POSITION, *m_pMySelf ); OSL_ENSURE( m_aBookmark.hasValue(), "ORowSetBase::getBookmark: bookmark has no value!" ); return m_aBookmark; } sal_Bool SAL_CALL ORowSetBase::moveToBookmark( const Any& bookmark ) { SAL_INFO("dbaccess", "ORowSetBase::moveToBookmark(Any) Clone = " << m_bClone); OSL_ENSURE(bookmark.hasValue(),"ORowSetBase::moveToBookmark bookmark has no value!"); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); if(!bookmark.hasValue() || m_nResultSetType == ResultSetType::FORWARD_ONLY) { if(bookmark.hasValue()) SAL_WARN("dbaccess", "MoveToBookmark is not possible when we are only forward"); else SAL_WARN("dbaccess", "Bookmark is not valid"); throwFunctionSequenceException(*m_pMySelf); } checkCache(); bool bRet( notifyAllListenersCursorBeforeMove( aGuard ) ); if ( bRet ) { // check if we are inserting a row bool bWasNew = m_pCache->m_bNew || impl_rowDeleted(); ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary ORowSetRow aOldValues = getOldRow(bWasNew); bRet = m_pCache->moveToBookmark(bookmark); doCancelModification( ); if(bRet) { // notification order // - column values // - cursorMoved setCurrentRow( true, true, aOldValues, aGuard ); } else { movementFailed(); } // - IsModified // - IsNew aNotifier.fire( ); } SAL_INFO("dbaccess", "ORowSetBase::moveToBookmark(Any) = " << bRet << " Clone = " << m_bClone); return bRet; } sal_Bool SAL_CALL ORowSetBase::moveRelativeToBookmark( const Any& bookmark, sal_Int32 rows ) { SAL_INFO("dbaccess", "ORowSetBase::moveRelativeToBookmark(Any," << rows << ") Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); checkPositioningAllowed(); bool bRet( notifyAllListenersCursorBeforeMove( aGuard ) ); if ( bRet ) { // check if we are inserting a row bool bWasNew = m_pCache->m_bNew || rowDeleted(); ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary ORowSetRow aOldValues = getOldRow(bWasNew); bRet = m_pCache->moveRelativeToBookmark(bookmark,rows); doCancelModification( ); if(bRet) { // notification order // - column values // - cursorMoved setCurrentRow( true, true, aOldValues, aGuard ); } else movementFailed(); // - IsModified // - IsNew aNotifier.fire( ); // RowCount/IsRowCountFinal fireRowcount(); } SAL_INFO("dbaccess", "ORowSetBase::moveRelativeToBookmark(Any," << rows << ") = " << bRet << " Clone = " << m_bClone); return bRet; } sal_Int32 SAL_CALL ORowSetBase::compareBookmarks( const Any& _first, const Any& _second ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); return m_pCache->compareBookmarks(_first,_second); } sal_Bool SAL_CALL ORowSetBase::hasOrderedBookmarks( ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); return m_pCache->hasOrderedBookmarks(); } sal_Int32 SAL_CALL ORowSetBase::hashBookmark( const Any& bookmark ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); return m_pCache->hashBookmark(bookmark); } // XResultSetMetaDataSupplier Reference< XResultSetMetaData > SAL_CALL ORowSetBase::getMetaData( ) { ::connectivity::checkDisposed(m_rBHelper.bDisposed); Reference< XResultSetMetaData > xMeta; if(m_pCache) xMeta = m_pCache->getMetaData(); return xMeta; } // XColumnLocate sal_Int32 SAL_CALL ORowSetBase::findColumn( const OUString& columnName ) { ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::MutexGuard aGuard( m_aColumnsMutex ); // it is possible to save some time here when we remember the names - position relation in a map return m_pColumns ? m_pColumns->findColumn(columnName) : sal_Int32(0); } // css::sdbcx::XColumnsSupplier Reference< XNameAccess > SAL_CALL ORowSetBase::getColumns( ) { ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::MutexGuard aGuard( m_aColumnsMutex ); if(!m_pColumns) { if (!m_pEmptyCollection) m_pEmptyCollection.reset( new OEmptyCollection(*m_pMySelf,m_aColumnsMutex) ); return m_pEmptyCollection.get(); } return m_pColumns.get(); } // XResultSet sal_Bool SAL_CALL ORowSetBase::next( ) { SAL_INFO("dbaccess", "ORowSetBase::next() Clone = " << m_bClone); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); checkCache(); bool bRet( notifyAllListenersCursorBeforeMove( aGuard ) ); if ( bRet ) { // check if we are inserting a row bool bWasNew = m_pCache->m_bNew || impl_rowDeleted(); ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary ORowSetRow aOldValues = getOldRow(bWasNew); positionCache( MOVE_FORWARD ); bool bAfterLast = m_pCache->isAfterLast(); bRet = m_pCache->next(); doCancelModification( ); // if we were afterLast before next() then we still are, // i.e. bAfterLast implies m_pCache->isAfterLast() if (bAfterLast) assert(m_pCache->isAfterLast()); // so the only way bAfterLast != m_pCache->isAfterLast() // would be that we just arrived there, if (bAfterLast != m_pCache->isAfterLast()) { assert(!bAfterLast); assert(m_pCache->isAfterLast()); } // in which case we *did* move the cursor if ( bRet || bAfterLast != m_pCache->isAfterLast() ) { // notification order // - column values // - cursorMoved setCurrentRow( true, true, aOldValues, aGuard ); OSL_ENSURE(!m_bBeforeFirst,"BeforeFirst is true. I don't know why?"); } else { // moved after the last row movementFailed(); OSL_ENSURE(m_bAfterLast,"AfterLast is false. I don't know why?"); } // - IsModified // - IsNew aNotifier.fire(); // - RowCount/IsRowCountFinal fireRowcount(); } SAL_INFO("dbaccess", "ORowSetBase::next() = " << bRet << " Clone = " << m_bClone); return bRet; } sal_Bool SAL_CALL ORowSetBase::isBeforeFirst( ) { ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); SAL_INFO("dbaccess", "ORowSetBase::isBeforeFirst() = " << m_bBeforeFirst << " Clone = " << m_bClone); return m_bBeforeFirst; } sal_Bool SAL_CALL ORowSetBase::isAfterLast( ) { ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); SAL_INFO("dbaccess", "ORowSetBase::isAfterLast() = " << m_bAfterLast << " Clone = " << m_bClone); return m_bAfterLast; } bool ORowSetBase::isOnFirst() { return isFirst(); } sal_Bool SAL_CALL ORowSetBase::isFirst( ) { SAL_INFO("dbaccess", "ORowSetBase::isFirst() Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); if ( m_bBeforeFirst || m_bAfterLast ) return false; if ( impl_rowDeleted() ) return ( m_nDeletedPosition == 1 ); positionCache( MOVE_NONE ); bool bIsFirst = m_pCache->isFirst(); SAL_INFO("dbaccess", "ORowSetBase::isFirst() = " << bIsFirst << " Clone = " << m_bClone); return bIsFirst; } bool ORowSetBase::isOnLast() { return isLast(); } sal_Bool SAL_CALL ORowSetBase::isLast( ) { SAL_INFO("dbaccess", "ORowSetBase::isLast() Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); if ( m_bBeforeFirst || m_bAfterLast ) return false; if ( impl_rowDeleted() ) { if ( !m_pCache->m_bRowCountFinal ) return false; else return ( m_nDeletedPosition == impl_getRowCount() ); } positionCache( MOVE_NONE ); bool bIsLast = m_pCache->isLast(); SAL_INFO("dbaccess", "ORowSetBase::isLast() = " << bIsLast << " Clone = " << m_bClone); return bIsLast; } void SAL_CALL ORowSetBase::beforeFirst( ) { SAL_INFO("dbaccess", "ORowSetBase::beforeFirst() Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); checkPositioningAllowed(); // check if we are inserting a row bool bWasNew = m_pCache->m_bNew || impl_rowDeleted(); if((bWasNew || !m_bBeforeFirst) && notifyAllListenersCursorBeforeMove(aGuard) ) { ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary if ( !m_bBeforeFirst ) { ORowSetRow aOldValues = getOldRow(bWasNew); m_pCache->beforeFirst(); doCancelModification( ); // notification order // - column values // - cursorMoved setCurrentRow( true, true, aOldValues, aGuard ); // - IsModified // - Isnew aNotifier.fire(); // - RowCount/IsRowCountFinal fireRowcount(); } // to be done _after_ the notifications! m_aOldRow->clearRow(); } SAL_INFO("dbaccess", "ORowSetBase::beforeFirst() Clone = " << m_bClone); } void SAL_CALL ORowSetBase::afterLast( ) { SAL_INFO("dbaccess", "ORowSetBase::afterLast() Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); checkPositioningAllowed(); bool bWasNew = m_pCache->m_bNew || impl_rowDeleted(); if((bWasNew || !m_bAfterLast) && notifyAllListenersCursorBeforeMove(aGuard) ) { // check if we are inserting a row ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary if(!m_bAfterLast) { ORowSetRow aOldValues = getOldRow(bWasNew); m_pCache->afterLast(); doCancelModification( ); // notification order // - column values // - cursorMoved setCurrentRow( true, true, aOldValues, aGuard ); // - IsModified // - Isnew aNotifier.fire(); // - RowCount/IsRowCountFinal fireRowcount(); } } SAL_INFO("dbaccess", "ORowSetBase::afterLast() Clone = " << m_bClone); } bool SAL_CALL ORowSetBase::move(std::function const & _aCheckFunctor, std::function const & _aMovementFunctor) { SAL_INFO("dbaccess", "ORowSetBase::move() Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); checkPositioningAllowed(); bool bRet( notifyAllListenersCursorBeforeMove( aGuard ) ); if( bRet ) { // check if we are inserting a row bool bWasNew = m_pCache->m_bNew || rowDeleted(); ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary ORowSetRow aOldValues = getOldRow(bWasNew); bool bMoved = ( bWasNew || !_aCheckFunctor(this) ); bRet = _aMovementFunctor(m_pCache.get()); doCancelModification( ); if ( bRet ) { // notification order // - column values // - cursorMoved setCurrentRow( bMoved, true, aOldValues, aGuard ); } else { // first goes wrong so there is no row movementFailed(); } // - IsModified // - IsNew aNotifier.fire(); // - RowCount/IsRowCountFinal fireRowcount(); } SAL_INFO("dbaccess", "ORowSetBase::move() = " << bRet << " Clone = " << m_bClone); return bRet; } sal_Bool SAL_CALL ORowSetBase::first( ) { SAL_INFO("dbaccess", "ORowSetBase::first() Clone = " << m_bClone); auto ioF_tmp = std::mem_fn(&ORowSetBase::isOnFirst); auto F_tmp = std::mem_fn(&ORowSetCache::first); return move(ioF_tmp,F_tmp); } sal_Bool SAL_CALL ORowSetBase::last( ) { SAL_INFO("dbaccess", "ORowSetBase::last() Clone = " << m_bClone); auto ioL_tmp = std::mem_fn(&ORowSetBase::isOnLast); auto L_tmp = std::mem_fn(&ORowSetCache::last); return move(ioL_tmp,L_tmp); } sal_Int32 SAL_CALL ORowSetBase::getRow( ) { SAL_INFO("dbaccess", "ORowSetBase::getRow() Clone = " << m_bClone); ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); return impl_getRow(); } sal_Int32 ORowSetBase::impl_getRow() { sal_Int32 nPos = 0; if ( m_bBeforeFirst ) nPos = 0; else if ( m_bAfterLast ) nPos = impl_getRowCount() + 1; else if ( impl_rowDeleted() ) nPos = m_nDeletedPosition; else if ( !m_bClone && m_pCache->m_bNew ) nPos = 0; else { positionCache( MOVE_NONE ); nPos = m_pCache->getRow(); } SAL_INFO("dbaccess", "ORowSetBase::impl_getRow() = " << nPos << " Clone = " << m_bClone); return nPos; } sal_Bool SAL_CALL ORowSetBase::absolute( sal_Int32 row ) { SAL_INFO("dbaccess", "ORowSetBase::absolute(" << row << ") Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); checkPositioningAllowed(); bool bRet = ( row > 0 ) && notifyAllListenersCursorBeforeMove( aGuard ); if ( bRet ) { // check if we are inserting a row bool bWasNew = m_pCache->m_bNew || rowDeleted(); ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary ORowSetRow aOldValues = getOldRow(bWasNew); bRet = m_pCache->absolute(row); doCancelModification( ); if(bRet) { // notification order // - column values // - cursorMoved setCurrentRow( true, true, aOldValues, aGuard ); } else { // absolute movement goes wrong we stand left or right side of the rows movementFailed(); } // - IsModified // - IsNew aNotifier.fire(); // - RowCount/IsRowCountFinal fireRowcount(); } SAL_INFO("dbaccess", "ORowSetBase::absolute(" << row << ") = " << bRet << " Clone = " << m_bClone); return bRet; } sal_Bool SAL_CALL ORowSetBase::relative( sal_Int32 rows ) { SAL_INFO("dbaccess", "ORowSetBase::relative(" << rows << ") Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); if(!rows) return true; // in this case do nothing checkPositioningAllowed(); bool bRet = ( ( !m_bAfterLast || rows <= 0 ) && ( !m_bBeforeFirst || rows >= 0 ) && notifyAllListenersCursorBeforeMove( aGuard ) ); if ( bRet ) { // check if we are inserting a row bool bWasNew = m_pCache->m_bNew || rowDeleted(); ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary ORowSetRow aOldValues = getOldRow(bWasNew); positionCache( rows > 0 ? MOVE_FORWARD : MOVE_BACKWARD ); bRet = m_pCache->relative(rows); doCancelModification( ); if(bRet) { // notification order // - column values // - cursorMoved setCurrentRow( true, true, aOldValues, aGuard ); } else { movementFailed(); } // - IsModified // - IsNew aNotifier.fire(); // - RowCount/IsRowCountFinal fireRowcount(); } SAL_INFO("dbaccess", "ORowSetBase::relative(" << rows << ") = " << bRet << " Clone = " << m_bClone); return bRet; } sal_Bool SAL_CALL ORowSetBase::previous( ) { SAL_INFO("dbaccess", "ORowSetBase::previous() Clone = " << m_bClone); ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::ResettableMutexGuard aGuard( *m_pMutex ); checkPositioningAllowed(); bool bRet = !m_bBeforeFirst && notifyAllListenersCursorBeforeMove(aGuard); if ( bRet ) { // check if we are inserting a row bool bWasNew = m_pCache->m_bNew || rowDeleted(); ORowSetNotifier aNotifier( this ); // this will call cancelRowModification on the cache if necessary ORowSetRow aOldValues = getOldRow(bWasNew); positionCache( MOVE_BACKWARD ); bRet = m_pCache->previous(); doCancelModification( ); // if m_bBeforeFirst is false and bRet is false then we stood on the first row if(!m_bBeforeFirst || bRet) { // notification order // - column values // - cursorMoved setCurrentRow( true, true, aOldValues, aGuard ); } else { SAL_WARN("dbaccess", "ORowSetBase::previous: inconsistency!" ); // we should never reach this place, as we should not get into this whole branch if m_bBeforeFirst // was |true| from the beginning movementFailed(); } // - IsModified // - IsNew aNotifier.fire(); // - RowCount/IsRowCountFinal fireRowcount(); } SAL_INFO("dbaccess", "ORowSetBase::previous() = " << bRet << " Clone = " << m_bClone); return bRet; } void ORowSetBase::setCurrentRow( bool _bMoved, bool _bDoNotify, const ORowSetRow& _rOldValues, ::osl::ResettableMutexGuard& _rGuard ) { SAL_INFO("dbaccess", "ORowSetBase::setCurrentRow() Clone = " << m_bClone); m_bBeforeFirst = m_pCache->isBeforeFirst(); m_bAfterLast = m_pCache->isAfterLast(); if(!(m_bBeforeFirst || m_bAfterLast)) { m_aBookmark = m_pCache->getBookmark(); OSL_ENSURE(m_aBookmark.hasValue(),"Bookmark has no value!"); m_aCurrentRow = m_pCache->m_aMatrixIter; m_bIsInsertRow = false; OSL_ENSURE(!m_aCurrentRow.isNull(),"CurrentRow is null!"); OSL_ENSURE(!m_aCurrentRow.isNull() && m_aCurrentRow != m_pCache->getEnd(),"Position of matrix iterator isn't valid!"); OSL_ENSURE(m_aCurrentRow->is(),"Currentrow isn't valid"); OSL_ENSURE(m_aBookmark.hasValue(),"Bookmark has no value!"); m_aCurrentRow = m_pCache->m_aMatrixIter; m_bIsInsertRow = false; OSL_ENSURE(!m_aCurrentRow.isNull(),"CurrentRow is nul after positionCache!"); #if OSL_DEBUG_LEVEL > 0 ORowSetRow rRow = *m_aCurrentRow; OSL_ENSURE(rRow.is() ,"Invalid size of vector!"); #endif // notification order // - column values if ( _bDoNotify ) firePropertyChange(_rOldValues); } else { m_aOldRow->clearRow(); m_aCurrentRow = m_pCache->getEnd(); m_aBookmark = Any(); } // TODO: can this be done before the notifications? if(!(m_bBeforeFirst || m_bAfterLast) && !m_aCurrentRow.isNull() && m_aCurrentRow->is() && m_aCurrentRow != m_pCache->getEnd()) m_aOldRow->setRow(new ORowSetValueVector( *(*m_aCurrentRow) )); if ( _bMoved && _bDoNotify ) // - cursorMoved notifyAllListenersCursorMoved( _rGuard ); SAL_INFO("dbaccess", "ORowSetBase::setCurrentRow() Clone = " << m_bClone); } void ORowSetBase::checkPositioningAllowed() { if(!m_pCache || m_nResultSetType == ResultSetType::FORWARD_ONLY) throwFunctionSequenceException(*m_pMySelf); } Reference< XInterface > ORowSetBase::getStatement() { return nullptr; } void SAL_CALL ORowSetBase::refreshRow( ) { ::connectivity::checkDisposed(m_rBHelper.bDisposed); ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); if ( impl_rowDeleted() ) throwSQLException( "The current row is deleted", StandardSQLState::INVALID_CURSOR_STATE, Reference< XRowSet >( this ) ); if(!(m_bBeforeFirst || m_bAfterLast)) { bool bWasNew = m_pCache->m_bNew || impl_rowDeleted(); ORowSetRow aOldValues = getOldRow(bWasNew); positionCache( MOVE_NONE ); m_pCache->refreshRow(); firePropertyChange(aOldValues); } } sal_Bool SAL_CALL ORowSetBase::rowUpdated( ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); if ( impl_rowDeleted() ) return false; return m_pCache->rowUpdated(); } sal_Bool SAL_CALL ORowSetBase::rowInserted( ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); if ( impl_rowDeleted() ) return false; return m_pCache->rowInserted(); } sal_Bool SAL_CALL ORowSetBase::rowDeleted( ) { ::osl::MutexGuard aGuard( *m_pMutex ); checkCache(); return impl_rowDeleted(); } bool ORowSetBase::impl_rowDeleted( ) { return !m_aBookmark.hasValue() && !m_bBeforeFirst && !m_bAfterLast; } // XWarningsSupplier Any SAL_CALL ORowSetBase::getWarnings( ) { ::osl::MutexGuard aGuard( *m_pMutex ); if ( m_pCache ) { Reference< XWarningsSupplier > xWarnings( m_pCache->m_xSet.get(), UNO_QUERY ); if ( xWarnings.is() ) return xWarnings->getWarnings(); } return Any(); } void SAL_CALL ORowSetBase::clearWarnings( ) { ::osl::MutexGuard aGuard( *m_pMutex ); if ( m_pCache ) { Reference< XWarningsSupplier > xWarnings( m_pCache->m_xSet.get(), UNO_QUERY ); if ( xWarnings.is() ) xWarnings->clearWarnings(); } } void ORowSetBase::firePropertyChange(const ORowSetRow& _rOldRow) { if (!isPropertyChangeNotificationEnabled()) return; SAL_INFO("dbaccess", "ORowSetBase::firePropertyChange" ); SAL_INFO("dbaccess", "ORowSetBase::firePropertyChange() Clone = " << m_bClone); OSL_ENSURE(m_pColumns,"Columns can not be NULL here!"); sal_Int32 i=0; for (auto const& dataColumn : m_aDataColumns) { try { dataColumn->fireValueChange(_rOldRow.is() ? (*_rOldRow)[i+1] : ::connectivity::ORowSetValue()); } catch (const Exception&) { TOOLS_WARN_EXCEPTION("dbaccess", "firePropertyChange: Exception on column " << i); } ++i; } SAL_INFO("dbaccess", "ORowSetBase::firePropertyChange() Clone = " << m_bClone); } void ORowSetBase::firePropertyChange(sal_Int32 _nPos,const ::connectivity::ORowSetValue& _rOldValue) { OSL_ENSURE(_nPos < static_cast(m_aDataColumns.size()),"nPos is invalid!"); m_aDataColumns[_nPos]->fireValueChange(_rOldValue); } void ORowSetBase::fireRowcount() { } bool ORowSetBase::notifyAllListenersCursorBeforeMove(::osl::ResettableMutexGuard& /*_rGuard*/) { return true; } void ORowSetBase::notifyAllListenersCursorMoved(::osl::ResettableMutexGuard& /*_rGuard*/) { } bool ORowSetBase::isPropertyChangeNotificationEnabled() const { return true; } void ORowSetBase::fireProperty( sal_Int32 _nProperty, bool _bNew, bool _bOld ) { Any aNew( _bNew ); Any aOld( _bOld ); fire( &_nProperty, &aNew, &aOld, 1, false ); } void ORowSetBase::positionCache( CursorMoveDirection _ePrepareForDirection ) { SAL_INFO("dbaccess", "ORowSetBase::positionCache() Clone = " << m_bClone); bool bSuccess = false; if ( m_aBookmark.hasValue() ) { if (_ePrepareForDirection == MOVE_NONE_REFRESH || (m_pCache->isAfterLast() != bool(isAfterLast())) || ( m_pCache->isBeforeFirst() != bool(isBeforeFirst()) ) || m_pCache->compareBookmarks( m_aBookmark, m_pCache->getBookmark() ) != CompareBookmark::EQUAL ) bSuccess = m_pCache->moveToBookmark( m_aBookmark ); else bSuccess = true; } else { if ( m_bBeforeFirst ) { m_pCache->beforeFirst(); bSuccess = true; } else if ( m_bAfterLast ) { m_pCache->afterLast(); bSuccess = true; } else { OSL_ENSURE( m_nDeletedPosition >= 1, "ORowSetBase::positionCache: no bookmark, and no valid 'deleted position'!" ); switch ( _ePrepareForDirection ) { case MOVE_FORWARD: if ( m_nDeletedPosition > 1 ) bSuccess = m_pCache->absolute( m_nDeletedPosition - 1 ); else { m_pCache->beforeFirst(); bSuccess = true; } break; case MOVE_BACKWARD: if ( m_pCache->m_bRowCountFinal && ( m_nDeletedPosition == impl_getRowCount() ) ) { m_pCache->afterLast(); bSuccess = true; } else bSuccess = m_pCache->absolute( m_nDeletedPosition ); break; case MOVE_NONE: case MOVE_NONE_REFRESH: bSuccess = false; // will be asserted below break; } } } OSL_ENSURE( bSuccess, "ORowSetBase::positionCache: failed!" ); SAL_INFO("dbaccess", "ORowSetBase::positionCache() Clone = " << m_bClone); } void ORowSetBase::checkCache() { ::connectivity::checkDisposed(m_rBHelper.bDisposed); if(!m_pCache) throwFunctionSequenceException(*m_pMySelf); } void ORowSetBase::movementFailed() { SAL_INFO("dbaccess", "ORowSetBase::movementFailed() Clone = " << m_bClone); m_aOldRow->clearRow(); m_aCurrentRow = m_pCache->getEnd(); m_bBeforeFirst = m_pCache->isBeforeFirst(); m_bAfterLast = m_pCache->isAfterLast(); m_aBookmark = Any(); OSL_ENSURE(m_bBeforeFirst || m_bAfterLast,"BeforeFirst or AfterLast is wrong!"); SAL_INFO("dbaccess", "ORowSetBase::movementFailed() Clone = " << m_bClone); } ORowSetRow ORowSetBase::getOldRow(bool _bWasNew) { OSL_ENSURE(m_aOldRow.is(),"RowSetRowHElper isn't valid!"); ORowSetRow aOldValues; if ( !_bWasNew && m_aOldRow->getRow().is() ) aOldValues = new ORowSetValueVector( *(m_aOldRow->getRow())); // remember the old values return aOldValues; } void ORowSetBase::getPropertyDefaultByHandle( sal_Int32 /*_nHandle*/, Any& _rDefault ) const { _rDefault.clear(); } void ORowSetBase::onDeleteRow( const Any& _rBookmark ) { if ( rowDeleted() ) // not interested in return; ::osl::MutexGuard aGuard( *m_pMutex ); //OSL_ENSURE( m_aBookmark.hasValue(), "ORowSetBase::onDeleteRow: Bookmark isn't valid!" ); if ( compareBookmarks( _rBookmark, m_aBookmark ) == CompareBookmark::EQUAL ) { positionCache( MOVE_NONE ); m_nDeletedPosition = m_pCache->getRow(); } } void ORowSetBase::onDeletedRow( const Any& _rBookmark, sal_Int32 _nPos ) { if ( rowDeleted() ) { // if we're a clone, and on a deleted row, and the main RowSet deleted another // row (only the main RowSet can, clones can't), which is *before* our // deleted position, then we have to adjust this position if ( m_bClone && ( _nPos < m_nDeletedPosition ) ) --m_nDeletedPosition; return; } ::osl::MutexGuard aGuard( *m_pMutex ); if ( compareBookmarks( _rBookmark, m_aBookmark ) == CompareBookmark::EQUAL ) { m_aOldRow->clearRow(); m_aCurrentRow = m_pCache->getEnd(); m_aBookmark = Any(); } } sal_Int32 ORowSetBase::impl_getRowCount() const { sal_Int32 nRowCount( m_pCache->m_nRowCount ); if ( const_cast< ORowSetBase* >( this )->rowDeleted() && !m_pCache->m_bNew ) ++nRowCount; return nRowCount; } struct ORowSetNotifierImpl { std::vector aChangedColumns; ORowSetValueVector::Vector aRow; }; ORowSetNotifier::ORowSetNotifier( ORowSetBase* _pRowSet ) :m_pRowSet( _pRowSet ) ,m_bWasNew( false ) ,m_bWasModified( false ) { OSL_ENSURE( m_pRowSet, "ORowSetNotifier::ORowSetNotifier: invalid row set. This will crash." ); // remember the "inserted" and "modified" state for later firing m_bWasNew = m_pRowSet->isNew( ORowSetBase::GrantNotifierAccess() ); m_bWasModified = m_pRowSet->isModified( ORowSetBase::GrantNotifierAccess() ); // if the row set is on the insert row, then we need to cancel this if ( m_pRowSet->isModification( ORowSetBase::GrantNotifierAccess() ) ) m_pRowSet->doCancelModification( ORowSetBase::GrantNotifierAccess() ); } ORowSetNotifier::ORowSetNotifier( ORowSetBase* _pRowSet, ORowSetValueVector::Vector&& i_aRow ) :m_pImpl(new ORowSetNotifierImpl) ,m_pRowSet( _pRowSet ) ,m_bWasNew( false ) ,m_bWasModified( false ) { OSL_ENSURE( m_pRowSet, "ORowSetNotifier::ORowSetNotifier: invalid row set. This will crash." ); m_pImpl->aRow = std::move(i_aRow); // yes, create a copy to store the old values } ORowSetNotifier::~ORowSetNotifier( ) { } void ORowSetNotifier::fire() { // we're not interested in firing changes FALSE->TRUE, only TRUE->FALSE. // (the former would be quite pathological, e.g. after a failed movement) if ( m_bWasModified && ( m_bWasModified != m_pRowSet->isModified( ORowSetBase::GrantNotifierAccess() ) ) ) m_pRowSet->fireProperty( PROPERTY_ID_ISMODIFIED, false, true, ORowSetBase::GrantNotifierAccess() ); if ( m_bWasNew && ( m_bWasNew != m_pRowSet->isNew( ORowSetBase::GrantNotifierAccess() ) ) ) m_pRowSet->fireProperty( PROPERTY_ID_ISNEW, false, true, ORowSetBase::GrantNotifierAccess() ); } std::vector& ORowSetNotifier::getChangedColumns() const { OSL_ENSURE(m_pImpl, "Illegal CTor call, use the other one!"); return m_pImpl->aChangedColumns; } void ORowSetNotifier::firePropertyChange() { OSL_ENSURE(m_pImpl, "Illegal CTor call, use the other one!"); if (m_pImpl) { for (auto const& changedColumn : m_pImpl->aChangedColumns) { m_pRowSet->firePropertyChange(changedColumn-1 ,m_pImpl->aRow[changedColumn-1], ORowSetBase::GrantNotifierAccess()); } if ( !m_pImpl->aChangedColumns.empty() ) m_pRowSet->fireProperty(PROPERTY_ID_ISMODIFIED,true,false, ORowSetBase::GrantNotifierAccess()); } } } // namespace dbaccess /* vim:set shiftwidth=4 softtabstop=4 expandtab: */