/* -*- 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 . */ #ifndef DBACCESS_CORE_API_ROWSETCACHE_HXX #define DBACCESS_CORE_API_ROWSETCACHE_HXX #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "RowSetRow.hxx" #include "RowSetCacheIterator.hxx" namespace connectivity { class OSQLParseNode; } namespace dbaccess { class OCacheSet; class ORowSetCache { friend class ORowSetBase; friend class ORowSet; friend class ORowSetClone; friend class ORowSetCacheIterator; typedef ::std::vector< TORowSetOldRowHelperRef > TOldRowSetRows; ::std::map m_aKeyColumns; //the set can be static, bookmarkable or keyset ::com::sun::star::uno::WeakReference< ::com::sun::star::sdbc::XResultSet> m_xSet; ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetMetaData > m_xMetaData; // must be before m_aInsertRow ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext> m_aContext; ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XRow> m_xCacheSet; OCacheSet* m_pCacheSet; // is a bookmarkable, keyset or static resultset ORowSetMatrix* m_pMatrix; // represent the table struct ORowSetMatrix::iterator m_aMatrixIter; // represent a row of the table ORowSetMatrix::iterator m_aMatrixEnd; // present the row behind the last row of the table ORowSetCacheMap m_aCacheIterators; TOldRowSetRows m_aOldRows; ORowSetMatrix* m_pInsertMatrix; // represent the rows which should be inserted normally this is only one ORowSetMatrix::iterator m_aInsertRow; // represent a insert row sal_Int32 m_nLastColumnIndex; // the last column ask for, used for wasNull() connectivity::OSQLTable m_aUpdateTable; // used for updates/deletes and inserts sal_Int32 m_nFetchSize; sal_Int32 m_nRowCount; sal_Int32 m_nPrivileges; sal_Int32 m_nPosition; // 0 means before first (i.e. 1-based) sal_Int32 m_nStartPos; // start pos of the window zero based (inclusive) sal_Int32 m_nEndPos; // end pos of the window zero based (exclusive) sal_Bool m_bRowCountFinal ; sal_Bool m_bBeforeFirst ; sal_Bool m_bAfterLast ; sal_Bool m_bUpdated ; sal_Bool& m_bModified ; // points to the rowset member m_bModified sal_Bool& m_bNew ; // points to the rowset member m_bNew sal_Bool fill(ORowSetMatrix::iterator& _aIter,const ORowSetMatrix::const_iterator& _aEnd,sal_Int32& _nPos,sal_Bool _bCheck); sal_Bool reFillMatrix(sal_Int32 _nNewStartPos,sal_Int32 nNewEndPos); sal_Bool fillMatrix(sal_Int32 &_nNewStartPos,sal_Int32 &_nNewEndPos); sal_Bool moveWindow(); // returns true when a keyset needs to be created. sal_Bool impl_createBookmarkSet_nothrow(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& _xRs); void firePropertyChange(sal_Int32 _nColumnIndex,const ::connectivity::ORowSetValue& _rOldValue); void rotateCacheIterator(ORowSetMatrix::difference_type _nDist); void updateValue(sal_Int32 columnIndex ,const connectivity::ORowSetValue& x ,ORowSetValueVector::Vector& io_aRow ,::std::vector& o_ChangedColumns ); void impl_updateRowFromCache_throw(ORowSetValueVector::Vector& io_aRow ,::std::vector& o_ChangedColumns ); // checks and set the flags isAfterLast isLast and position when afterlast is true void checkPositionFlags(); void checkUpdateConditions(sal_Int32 columnIndex); sal_Bool checkJoin( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection>& _xConnection, const ::com::sun::star::uno::Reference< ::com::sun::star::sdb::XSingleSelectQueryAnalyzer >& _xComposer, const OUString& _sUpdateTableName); sal_Bool checkInnerJoin(const ::connectivity::OSQLParseNode *pNode ,const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection>& _xConnection ,const OUString& _sUpdateTableName); // clears the insert row void clearInsertRow(); ORowSetMatrix::iterator calcPosition() const; protected: const ORowSetMatrix::iterator& getEnd() const { return m_aMatrixEnd;} // is called when after a moveToInsertRow a movement (next, etc) was called void cancelRowModification(); public: ORowSetCache(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet >& _xRs, const ::com::sun::star::uno::Reference< ::com::sun::star::sdb::XSingleSelectQueryAnalyzer >& _xAnalyzer, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rContext, const OUString& _rUpdateTableName, sal_Bool& _bModified, sal_Bool& _bNew, const ORowSetValueVector& _aParameterValueForCache, const OUString& i_sRowSetFilter, sal_Int32 i_nMaxRows); ~ORowSetCache(); // called from the rowset when a updateXXX was called for the first time void setUpdateIterator(const ORowSetMatrix::iterator& _rOriginalRow); ORowSetCacheIterator createIterator(ORowSetBase* _pRowSet); void deleteIterator(const ORowSetBase* _pRowSet); // sets the size of the matrix void setFetchSize(sal_Int32 _nSize); TORowSetOldRowHelperRef registerOldRow(); void deregisterOldRow(const TORowSetOldRowHelperRef& _rRow); // ::com::sun::star::sdbc::XResultSetMetaDataSupplier ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSetMetaData > getMetaData( ); // ::com::sun::star::sdbcx::XRowLocate ::com::sun::star::uno::Any getBookmark( ); sal_Bool moveToBookmark( const ::com::sun::star::uno::Any& bookmark ); sal_Bool moveRelativeToBookmark( const ::com::sun::star::uno::Any& bookmark, sal_Int32 rows ); sal_Int32 compareBookmarks( const ::com::sun::star::uno::Any& first, const ::com::sun::star::uno::Any& second ); sal_Bool hasOrderedBookmarks( ); sal_Int32 hashBookmark( const ::com::sun::star::uno::Any& bookmark ); // ::com::sun::star::sdbc::XRowUpdate void updateCharacterStream( sal_Int32 columnIndex, const ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream >& x, sal_Int32 length,ORowSetValueVector::Vector& io_aRow,::std::vector& o_ChangedColumns ); void updateObject( sal_Int32 columnIndex, const ::com::sun::star::uno::Any& x,ORowSetValueVector::Vector& io_aRow ,::std::vector& o_ChangedColumns); void updateNumericObject( sal_Int32 columnIndex, const ::com::sun::star::uno::Any& x, sal_Int32 scale,ORowSetValueVector::Vector& io_aRow ,::std::vector& o_ChangedColumns); void updateNull(sal_Int32 columnIndex ,ORowSetValueVector::Vector& io_aRow ,::std::vector& o_ChangedColumns ); // ::com::sun::star::sdbc::XResultSet sal_Bool next( ); sal_Bool isBeforeFirst( ); sal_Bool isAfterLast( ); sal_Bool isFirst( ); sal_Bool isLast( ); sal_Bool beforeFirst( ); sal_Bool afterLast( ); sal_Bool first( ); sal_Bool last( ); sal_Int32 getRow( ); sal_Bool absolute( sal_Int32 row ); sal_Bool relative( sal_Int32 rows ); sal_Bool previous( ); void refreshRow( ); sal_Bool rowUpdated( ); sal_Bool rowInserted( ); // ::com::sun::star::sdbc::XResultSetUpdate sal_Bool insertRow(::std::vector< ::com::sun::star::uno::Any >& o_aBookmarks); void resetInsertRow(sal_Bool _bClearInsertRow); void updateRow( ORowSetMatrix::iterator& _rUpdateRow,::std::vector< ::com::sun::star::uno::Any >& o_aBookmarks ); bool deleteRow(); void cancelRowUpdates( ); void moveToInsertRow( ); const ::std::map& getKeyColumns() const { return m_aKeyColumns; } bool isResultSetChanged() const; void reset(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XResultSet>& _xDriverSet); }; } #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */