OptimisticSet.hxx

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#pragma once
 
#include "KeySet.hxx"
 
#include <connectivity/sqlparse.hxx>
#include <connectivity/sqliterator.hxx>
 
#include <com/sun/star/sdb/XSingleSelectQueryAnalyzer.hpp>
 
namespace dbaccess
{
     // is used when the source supports keys
    class OptimisticSet : public OKeySet
    {
        ::connectivity::OSQLParser                              m_aSqlParser;
        ::connectivity::OSQLParseTreeIterator                   m_aSqlIterator;
 
        std::map<sal_Int32,sal_Int32>                         m_aJoinedColumns;
        std::map<sal_Int32,sal_Int32>                         m_aJoinedKeyColumns;
 
        mutable bool m_bResultSetChanged;
 
        void executeDelete(const ORowSetRow& _rDeleteRow,const OUString& i_sSQL,std::u16string_view i_sTableName);
        void fillJoinedColumns_throw(const std::vector< ::connectivity::TNodePair>& i_aJoinColumns);
        void fillJoinedColumns_throw(const OUString& i_sLeftColumn,const OUString& i_sRightColumn);
    protected:
        virtual void makeNewStatement( ) override;
        virtual ~OptimisticSet() override;
    public:
        OptimisticSet(const css::uno::Reference< css::uno::XComponentContext>& _rContext,
                      const css::uno::Reference< css::sdbc::XConnection>& i_xConnection,
                      const css::uno::Reference< css::sdb::XSingleSelectQueryAnalyzer >& _xComposer,
                      const ORowSetValueVector& _aParameterValueForCache,
                      sal_Int32 i_nMaxRows,
                      sal_Int32& o_nRowCount);
 
        // late ctor which can throw exceptions
        virtual void construct(const css::uno::Reference< css::sdbc::XResultSet>& _xDriverSet,const OUString& i_sRowSetFilter) override;
 
        // css::sdbc::XResultSetUpdate
        virtual void updateRow(const ORowSetRow& _rInsertRow,const ORowSetRow& _rOriginalRow,const connectivity::OSQLTable& _xTable   ) override;
        virtual void deleteRow(const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& _xTable   ) override;
        virtual void insertRow( const ORowSetRow& _rInsertRow,const connectivity::OSQLTable& _xTable ) override;
 
        // CacheSet
        virtual bool isResultSetChanged() const override;
        virtual void mergeColumnValues(sal_Int32 i_nColumnIndex,ORowSetValueVector::Vector& io_aInsertRow,ORowSetValueVector::Vector& io_aRow,std::vector<sal_Int32>& o_aChangedColumns) override;
        virtual bool columnValuesUpdated(ORowSetValueVector::Vector& o_aCachedRow,const ORowSetValueVector::Vector& i_aRow) override;
        virtual bool updateColumnValues(const ORowSetValueVector::Vector& io_aCachedRow,ORowSetValueVector::Vector& io_aRow,const std::vector<sal_Int32>& i_aChangedColumns) override;
        virtual void fillMissingValues(ORowSetValueVector::Vector& io_aRow) const override;
 
        bool isReadOnly() const { return m_aJoinedKeyColumns.empty(); }
        const std::map<sal_Int32,sal_Int32>& getJoinedKeyColumns() const { return m_aJoinedKeyColumns; }
    };
}
 
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