190 lines
9 KiB
C++
190 lines
9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <connectivity/CommonTools.hxx>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <com/sun/star/sdbc/XConnection.hpp>
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#include <com/sun/star/sdb/XSingleSelectQueryAnalyzer.hpp>
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#include <com/sun/star/sdbc/XResultSetMetaData.hpp>
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#include "RowSetRow.hxx"
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#include "RowSetCacheIterator.hxx"
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namespace connectivity
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{
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class OSQLParseNode;
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}
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namespace dbaccess
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{
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class OCacheSet;
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class ORowSetCache
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{
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friend class ORowSetBase;
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friend class ORowSet;
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friend class ORowSetClone;
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friend class ORowSetCacheIterator;
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typedef std::vector< TORowSetOldRowHelperRef > TOldRowSetRows;
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std::map<sal_Int32,sal_Int32> m_aKeyColumns;
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//the set can be static, bookmarkable or keyset
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css::uno::WeakReference< css::sdbc::XResultSet> m_xSet;
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css::uno::Reference< css::sdbc::XResultSetMetaData > m_xMetaData; // must be before m_aInsertRow
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css::uno::Reference< css::uno::XComponentContext> m_aContext;
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rtl::Reference<OCacheSet> m_xCacheSet; // is a bookmarkable, keyset or static resultset
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std::unique_ptr<ORowSetMatrix> m_pMatrix; // represent the table struct
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ORowSetMatrix::iterator m_aMatrixIter; // represent a row of the table
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ORowSetMatrix::iterator m_aMatrixEnd; // present the row behind the last row of the table
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ORowSetCacheMap m_aCacheIterators;
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TOldRowSetRows m_aOldRows;
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std::unique_ptr<ORowSetMatrix> m_pInsertMatrix; // represent the rows which should be inserted normally this is only one
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ORowSetMatrix::iterator m_aInsertRow; // represent an insert row
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connectivity::OSQLTable m_aUpdateTable; // used for updates/deletes and inserts
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sal_Int32 m_nFetchSize;
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sal_Int32 m_nRowCount;
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sal_Int32 m_nPrivileges;
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sal_Int32 m_nPosition; // 0 means before first (i.e. 1-based)
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sal_Int32 m_nStartPos; // start pos of the window zero based (inclusive)
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sal_Int32 m_nEndPos; // end pos of the window zero based (exclusive)
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bool m_bRowCountFinal ;
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bool m_bBeforeFirst ;
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bool m_bAfterLast ;
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bool& m_bModified ; // points to the rowset member m_bModified
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bool& m_bNew ; // points to the rowset member m_bNew
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bool fill(ORowSetMatrix::iterator& _aIter, const ORowSetMatrix::const_iterator& _aEnd, sal_Int32& _nPos, bool _bCheck);
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bool reFillMatrix(sal_Int32 _nNewStartPos,sal_Int32 nNewEndPos);
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bool fillMatrix(sal_Int32 &_nNewStartPos,sal_Int32 &_nNewEndPos);
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void moveWindow();
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void rotateCacheIterator(ORowSetMatrix::difference_type _nDist);
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void rotateAllCacheIterators();
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void updateValue(sal_Int32 columnIndex
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,const connectivity::ORowSetValue& x
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,ORowSetValueVector::Vector& io_aRow
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,std::vector<sal_Int32>& o_ChangedColumns
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);
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void impl_updateRowFromCache_throw(ORowSetValueVector::Vector& io_aRow
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,std::vector<sal_Int32> const & o_ChangedColumns
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);
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// checks and set the flags isAfterLast isLast and position when afterlast is true
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void checkPositionFlags();
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void checkUpdateConditions(sal_Int32 columnIndex);
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bool checkJoin( const css::uno::Reference< css::sdbc::XConnection>& _xConnection,
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const css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer >& _xComposer,
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const OUString& _sUpdateTableName);
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bool checkInnerJoin(const ::connectivity::OSQLParseNode *pNode
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,const css::uno::Reference< css::sdbc::XConnection>& _xConnection
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,const OUString& _sUpdateTableName);
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// clears the insert row
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void clearInsertRow();
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ORowSetMatrix::iterator calcPosition() const;
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protected:
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const ORowSetMatrix::iterator& getEnd() const { return m_aMatrixEnd;}
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// is called when after a moveToInsertRow a movement (next, etc) was called
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void cancelRowModification();
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public:
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ORowSetCache(const css::uno::Reference< css::sdbc::XResultSet >& _xRs,
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const css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer >& _xAnalyzer,
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const css::uno::Reference< css::uno::XComponentContext >& _rContext,
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const OUString& _rUpdateTableName,
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bool& _bModified,
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bool& _bNew,
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const ORowSetValueVector& _aParameterValueForCache,
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const OUString& i_sRowSetFilter,
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sal_Int32 i_nMaxRows);
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~ORowSetCache();
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// called from the rowset when an updateXXX was called for the first time
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void setUpdateIterator(const ORowSetMatrix::iterator& _rOriginalRow);
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ORowSetCacheIterator createIterator(ORowSetBase* _pRowSet);
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void deleteIterator(const ORowSetBase* _pRowSet);
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// sets the size of the matrix
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void setFetchSize(sal_Int32 _nSize);
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TORowSetOldRowHelperRef registerOldRow();
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void deregisterOldRow(const TORowSetOldRowHelperRef& _rRow);
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// css::sdbc::XResultSetMetaDataSupplier
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const css::uno::Reference< css::sdbc::XResultSetMetaData >& getMetaData( ) const { return m_xMetaData;}
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// css::sdbcx::XRowLocate
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css::uno::Any getBookmark( );
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bool moveToBookmark( const css::uno::Any& bookmark );
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bool moveRelativeToBookmark( const css::uno::Any& bookmark, sal_Int32 rows );
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sal_Int32 compareBookmarks( const css::uno::Any& first, const css::uno::Any& second );
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bool hasOrderedBookmarks( );
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sal_Int32 hashBookmark( const css::uno::Any& bookmark );
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// css::sdbc::XRowUpdate
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void updateCharacterStream( sal_Int32 columnIndex, const css::uno::Reference< css::io::XInputStream >& x, sal_Int32 length,ORowSetValueVector::Vector& io_aRow,std::vector<sal_Int32>& o_ChangedColumns
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);
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void updateObject( sal_Int32 columnIndex, const css::uno::Any& x,ORowSetValueVector::Vector& io_aRow ,std::vector<sal_Int32>& o_ChangedColumns);
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void updateNumericObject( sal_Int32 columnIndex, const css::uno::Any& x, ORowSetValueVector::Vector& io_aRow ,std::vector<sal_Int32>& o_ChangedColumns);
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void updateNull(sal_Int32 columnIndex
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,ORowSetValueVector::Vector& io_aRow
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,std::vector<sal_Int32>& o_ChangedColumns
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);
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// css::sdbc::XResultSet
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bool next( );
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bool isBeforeFirst( ) const { return m_bBeforeFirst;}
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bool isAfterLast( ) const { return m_bAfterLast;}
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bool isFirst( ) const;
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bool isLast( ) const;
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void beforeFirst( );
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void afterLast( );
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bool first( );
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bool last( );
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sal_Int32 getRow( ) const;
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bool absolute( sal_Int32 row );
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bool relative( sal_Int32 rows );
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bool previous( );
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void refreshRow( );
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bool rowUpdated( );
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bool rowInserted( );
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// css::sdbc::XResultSetUpdate
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bool insertRow(std::vector< css::uno::Any >& o_aBookmarks);
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void resetInsertRow(bool _bClearInsertRow);
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void updateRow( ORowSetMatrix::iterator const & _rUpdateRow, std::vector< css::uno::Any >& o_aBookmarks );
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bool deleteRow();
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void cancelRowUpdates( );
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void moveToInsertRow( );
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const std::map<sal_Int32,sal_Int32>& getKeyColumns() const { return m_aKeyColumns; }
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bool isResultSetChanged() const;
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void reset(const css::uno::Reference< css::sdbc::XResultSet>& _xDriverSet);
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};
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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