dbaccess/source/core/api/OptimisticSet.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include "KeySet.hxx"
  23
  24 #include <connectivity/sqlparse.hxx>
  25 #include <connectivity/sqliterator.hxx>
  26
  27 #include <com/sun/star/sdb/XSingleSelectQueryAnalyzer.hpp>
  28
  29 namespace dbaccess
  30 {
  31      // is used when the source supports keys
  32     class OptimisticSet : public OKeySet
  33     {
  34         ::connectivity::OSQLParser                              m_aSqlParser;
  35         ::connectivity::OSQLParseTreeIterator                   m_aSqlIterator;
  36
  37         std::map<sal_Int32,sal_Int32>                         m_aJoinedColumns;
  38         std::map<sal_Int32,sal_Int32>                         m_aJoinedKeyColumns;
  39
  40         mutable bool m_bResultSetChanged;
  41
  42         void executeDelete(const ORowSetRow& _rDeleteRow,const OUString& i_sSQL,const OUString& i_sTableName);
  43         void fillJoinedColumns_throw(const std::vector< ::connectivity::TNodePair>& i_aJoinColumns);
  44         void fillJoinedColumns_throw(const OUString& i_sLeftColumn,const OUString& i_sRightColumn);
  45     protected:
  46         virtual void makeNewStatement( ) override;
  47         virtual ~OptimisticSet() override;
  48     public:
  49         OptimisticSet(const css::uno::Reference< css::uno::XComponentContext>& _rContext,
  50                       const css::uno::Reference< css::sdbc::XConnection>& i_xConnection,
  51                       const css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer >& _xComposer,
  52                       const ORowSetValueVector& _aParameterValueForCache,
  53                       sal_Int32 i_nMaxRows,
  54                       sal_Int32& o_nRowCount);
  55
  56         // late ctor which can throw exceptions
  57         virtual void construct(const css::uno::Reference< css::sdbc::XResultSet>& _xDriverSet,const OUString& i_sRowSetFilter) override;
  58
  59         // css::sdbc::XResultSetUpdate
  60         virtual void updateRow(const ORowSetRow& _rInsertRow,const ORowSetRow& _rOriginalRow,const connectivity::OSQLTable& _xTable   ) override;
  61         virtual void deleteRow(const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& _xTable   ) override;
  62         virtual void insertRow( const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& _xTable ) override;
  63
  64         // CacheSet
  65         virtual bool isResultSetChanged() const override;
  66         virtual void mergeColumnValues(sal_Int32 i_nColumnIndex,ORowSetValueVector::Vector& io_aInsertRow,ORowSetValueVector::Vector& io_aRow,std::vector<sal_Int32>& o_aChangedColumns) override;
  67         virtual bool columnValuesUpdated(ORowSetValueVector::Vector& o_aCachedRow,const ORowSetValueVector::Vector& i_aRow) override;
  68         virtual bool updateColumnValues(const ORowSetValueVector::Vector& io_aCachedRow,ORowSetValueVector::Vector& io_aRow,const std::vector<sal_Int32>& i_aChangedColumns) override;
  69         virtual void fillMissingValues(ORowSetValueVector::Vector& io_aRow) const override;
  70
  71         bool isReadOnly() const { return m_aJoinedKeyColumns.empty(); }
  72         const std::map<sal_Int32,sal_Int32>& getJoinedKeyColumns() const { return m_aJoinedKeyColumns; }
  73     };
  74 }
  75
  76 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */