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/* -*- 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 .
*/
#pragma once
#include <connectivity/CommonTools.hxx>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
#include <com/sun/star/sdb/XSingleSelectQueryAnalyzer.hpp>
#include <com/sun/star/sdbc/XResultSetMetaData.hpp>
#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<sal_Int32,sal_Int32> m_aKeyColumns;
//the set can be static, bookmarkable or keyset
css::uno::WeakReference< css::sdbc::XResultSet> m_xSet;
css::uno::Reference< css::sdbc::XResultSetMetaData > m_xMetaData; // must be before m_aInsertRow
css::uno::Reference< css::uno::XComponentContext> m_aContext;
rtl::Reference<OCacheSet> m_xCacheSet; // is a bookmarkable, keyset or static resultset
std::unique_ptr<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;
std::unique_ptr<ORowSetMatrix> m_pInsertMatrix; // represent the rows which should be inserted normally this is only one
ORowSetMatrix::iterator m_aInsertRow; // represent an insert row
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)
bool m_bRowCountFinal ;
bool m_bBeforeFirst ;
bool m_bAfterLast ;
bool& m_bModified ; // points to the rowset member m_bModified
bool& m_bNew ; // points to the rowset member m_bNew
bool fill(ORowSetMatrix::iterator& _aIter, const ORowSetMatrix::const_iterator& _aEnd, sal_Int32& _nPos, bool _bCheck);
bool reFillMatrix(sal_Int32 _nNewStartPos,sal_Int32 nNewEndPos);
bool fillMatrix(sal_Int32 &_nNewStartPos,sal_Int32 &_nNewEndPos);
void moveWindow();
void rotateCacheIterator(ORowSetMatrix::difference_type _nDist);
void rotateAllCacheIterators();
void updateValue(sal_Int32 columnIndex
,const connectivity::ORowSetValue& x
,ORowSetValueVector::Vector& io_aRow
,std::vector<sal_Int32>& o_ChangedColumns
);
void impl_updateRowFromCache_throw(ORowSetValueVector::Vector& io_aRow
,std::vector<sal_Int32> const & o_ChangedColumns
);
// checks and set the flags isAfterLast isLast and position when afterlast is true
void checkPositionFlags();
void checkUpdateConditions(sal_Int32 columnIndex);
bool checkJoin( const css::uno::Reference< css::sdbc::XConnection>& _xConnection,
const css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer >& _xComposer,
const OUString& _sUpdateTableName);
bool checkInnerJoin(const ::connectivity::OSQLParseNode *pNode
,const css::uno::Reference< css::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 css::uno::Reference< css::sdbc::XResultSet >& _xRs,
const css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer >& _xAnalyzer,
const css::uno::Reference< css::uno::XComponentContext >& _rContext,
const OUString& _rUpdateTableName,
bool& _bModified,
bool& _bNew,
const ORowSetValueVector& _aParameterValueForCache,
const OUString& i_sRowSetFilter,
sal_Int32 i_nMaxRows);
~ORowSetCache();
// called from the rowset when an 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);
// css::sdbc::XResultSetMetaDataSupplier
const css::uno::Reference< css::sdbc::XResultSetMetaData >& getMetaData( ) const { return m_xMetaData;}
// css::sdbcx::XRowLocate
css::uno::Any getBookmark( );
bool moveToBookmark( const css::uno::Any& bookmark );
bool moveRelativeToBookmark( const css::uno::Any& bookmark, sal_Int32 rows );
sal_Int32 compareBookmarks( const css::uno::Any& first, const css::uno::Any& second );
bool hasOrderedBookmarks( );
sal_Int32 hashBookmark( const css::uno::Any& bookmark );
// css::sdbc::XRowUpdate
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
);
void updateObject( sal_Int32 columnIndex, const css::uno::Any& x,ORowSetValueVector::Vector& io_aRow ,std::vector<sal_Int32>& o_ChangedColumns);
void updateNumericObject( sal_Int32 columnIndex, const css::uno::Any& x, ORowSetValueVector::Vector& io_aRow ,std::vector<sal_Int32>& o_ChangedColumns);
void updateNull(sal_Int32 columnIndex
,ORowSetValueVector::Vector& io_aRow
,std::vector<sal_Int32>& o_ChangedColumns
);
// css::sdbc::XResultSet
bool next( );
bool isBeforeFirst( ) const { return m_bBeforeFirst;}
bool isAfterLast( ) const { return m_bAfterLast;}
bool isFirst( ) const;
bool isLast( ) const;
void beforeFirst( );
void afterLast( );
bool first( );
bool last( );
sal_Int32 getRow( ) const;
bool absolute( sal_Int32 row );
bool relative( sal_Int32 rows );
bool previous( );
void refreshRow( );
bool rowUpdated( );
bool rowInserted( );
// css::sdbc::XResultSetUpdate
bool insertRow(std::vector< css::uno::Any >& o_aBookmarks);
void resetInsertRow(bool _bClearInsertRow);
void updateRow( ORowSetMatrix::iterator const & _rUpdateRow, std::vector< css::uno::Any >& o_aBookmarks );
bool deleteRow();
void cancelRowUpdates( );
void moveToInsertRow( );
const std::map<sal_Int32,sal_Int32>& getKeyColumns() const { return m_aKeyColumns; }
bool isResultSetChanged() const;
void reset(const css::uno::Reference< css::sdbc::XResultSet>& _xDriverSet);
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
