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Diffstat (limited to 'dbaccess/source/core/api/RowSetBase.cxx')
| -rw-r--r-- | dbaccess/source/core/api/RowSetBase.cxx | 1437 |
1 files changed, 1437 insertions, 0 deletions
diff --git a/dbaccess/source/core/api/RowSetBase.cxx b/dbaccess/source/core/api/RowSetBase.cxx new file mode 100644 index 000000000..df8c46a72 --- /dev/null +++ b/dbaccess/source/core/api/RowSetBase.cxx @@ -0,0 +1,1437 @@ +/* -*- 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 <connectivity/sdbcx/VCollection.hxx> +#include "RowSetCache.hxx" +#include <stringconstants.hxx> +#include <sal/log.hxx> +#include <core_resource.hxx> +#include <strings.hrc> +#include <strings.hxx> +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <com/sun/star/sdbcx/CompareBookmark.hpp> +#include <com/sun/star/sdbc/ResultSetConcurrency.hpp> +#include <com/sun/star/sdbc/ResultSetType.hpp> +#include <comphelper/sequence.hxx> +#include <comphelper/seqstream.hxx> +#include <connectivity/dbexception.hxx> +#include <o3tl/safeint.hxx> + +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<XComponentContext>& _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<sal_Int32>::get(), css::uno::makeAny<sal_Int32>(0) ); + registerPropertyNoMember( PROPERTY_ISROWCOUNTFINAL, PROPERTY_ID_ISROWCOUNTFINAL, nRBT, cppu::UnoType<bool>::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<void*>(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); +} + +sal_Bool SAL_CALL ORowSetBase::getBoolean( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return bool(getValue(columnIndex)); +} + +sal_Int8 SAL_CALL ORowSetBase::getByte( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +sal_Int16 SAL_CALL ORowSetBase::getShort( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +sal_Int32 SAL_CALL ORowSetBase::getInt( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +sal_Int64 SAL_CALL ORowSetBase::getLong( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +float SAL_CALL ORowSetBase::getFloat( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +double SAL_CALL ORowSetBase::getDouble( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +Sequence< sal_Int8 > SAL_CALL ORowSetBase::getBytes( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +css::util::Date SAL_CALL ORowSetBase::getDate( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +css::util::Time SAL_CALL ORowSetBase::getTime( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +css::util::DateTime SAL_CALL ORowSetBase::getTimestamp( sal_Int32 columnIndex ) +{ + ::osl::MutexGuard aGuard( *m_pMutex ); + return getValue(columnIndex); +} + +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<bool(ORowSetBase *)> const & _aCheckFunctor, + std::function<bool(ORowSetCache *)> 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&) + { + SAL_WARN("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<sal_Int32>(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 = css::uno::makeAny( _bNew ); + Any aOld = css::uno::makeAny( _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<sal_Int32> 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,const 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 = 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<sal_Int32>& 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: */ |