Quelle  FStatement.hxx   Sprache: C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#pragma once

#include <com/sun/star/sdbc/XStatement.hpp>
#include <com/sun/star/sdbc/XWarningsSupplier.hpp>
#include <com/sun/star/sdbc/XCloseable.hpp>
#include <com/sun/star/sdbc/SQLWarning.hpp>
#include <com/sun/star/util/XCancellable.hpp>
#include <comphelper/proparrhlp.hxx>
#include <cppuhelper/compbase.hxx>
#include <cppuhelper/implbase2.hxx>
#include <cppuhelper/basemutex.hxx>
#include <connectivity/CommonTools.hxx>
#include <connectivity/sqlparse.hxx>
#include <file/FConnection.hxx>
#include <file/filedllapi.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <comphelper/propertycontainer.hxx>
#include <file/fanalyzer.hxx>
#include <TSortIndex.hxx>
#include <unotools/weakref.hxx>

namespace connectivity::file
{
    class OResultSet;
    class OFileTable;
    typedef ::cppu::WeakComponentImplHelper<   css::sdbc::XWarningsSupplier,
                                               css::util::XCancellable,
                                               css::sdbc::XCloseable> OStatement_BASE;


    //************ Class: java.sql.Statement

    class OOO_DLLPUBLIC_FILE OStatement_Base :
                                    public  cppu::BaseMutex,
                                    public  OStatement_BASE,
                                    public  ::comphelper::OPropertyContainer,
                                    public  ::comphelper::OPropertyArrayUsageHelper<OStatement_Base>

    {
    protected:
        std::vector<sal_Int32>                    m_aColMapping; // pos 0 is unused so we don't have to decrement 1 every time
        std::vector<sal_Int32>                    m_aParameterIndexes; // maps the parameter index to column index
        std::vector<sal_Int32>                    m_aOrderbyColumnNumber;
        std::vector<TAscendingOrder>              m_aOrderbyAscending;

        css::sdbc::SQLWarning                              m_aLastWarning;
        unotools::WeakReference< OResultSet>               m_xResultSet;   // The last ResultSet created
        css::uno::Reference< css::sdbc::XDatabaseMetaData> m_xDBMetaData;
        css::uno::Reference< css::container::XNameAccess>  m_xColNames; // table columns                                                          //  for this Statement


        connectivity::OSQLParser                    m_aParser;
        connectivity::OSQLParseTreeIterator         m_aSQLIterator;

        rtl::Reference<OConnection>                 m_pConnection;// The owning Connection object
        connectivity::OSQLParseNode*                m_pParseTree;
        std::unique_ptr<OSQLAnalyzer>               m_pSQLAnalyzer; //the sql analyzer used by the resultset

        rtl::Reference<OFileTable>                  m_pTable;       // the current table
        OValueRefRow                                m_aSelectRow;
        OValueRefRow                                m_aRow;
        OValueRefRow                                m_aEvaluateRow; // contains all values of a row
        ORefAssignValues                            m_aAssignValues; // needed for insert,update and parameters
                                                                // to compare with the restrictions

        OUString                                    m_aCursorName;
        sal_Int32                                   m_nMaxFieldSize;
        sal_Int32                                   m_nMaxRows;
        sal_Int32                                   m_nQueryTimeOut;
        sal_Int32                                   m_nFetchSize;
        sal_Int32                                   m_nResultSetType;
        sal_Int32                                   m_nFetchDirection;
        sal_Int32                                   m_nResultSetConcurrency;
        bool                                        m_bEscapeProcessing;

    protected:
        // initialize the column index map (mapping select columns to table columns)
        void createColumnMapping();
        // searches the statement for sort criteria
        void analyzeSQL();
        void setOrderbyColumn( connectivity::OSQLParseNode const * pColumnRef,
                               connectivity::OSQLParseNode const * pAscendingDescending);

        virtual void initializeResultSet(OResultSet* _pResult);

        /// @throws css::sdbc::SQLException
        /// @throws css::uno::RuntimeException
        void closeResultSet();

        void disposeResultSet();
        void GetAssignValues();
        void SetAssignValue(const OUString& aColumnName,
                               const OUString& aValue,
                               bool bSetNull = false,
                               sal_uInt32 nParameter=SQL_NO_PARAMETER);
        void ParseAssignValues( const std::vector< OUString>& aColumnNameList,
                                connectivity::OSQLParseNode* pRow_Value_Constructor_Elem, sal_Int32 nIndex);

        virtual void parseParamterElem(const OUString& _sColumnName,OSQLParseNode* pRow_Value_Constructor_Elem);
        // factory method for resultset's
        virtual rtl::Reference<OResultSet> createResultSet() = 0;
        // OPropertyArrayUsageHelper
        virtual ::cppu::IPropertyArrayHelper* createArrayHelper( ) const override;
        // OPropertySetHelper
        virtual ::cppu::IPropertyArrayHelper & SAL_CALL getInfoHelper() override;
        virtual ~OStatement_Base() override;
    public:
        connectivity::OSQLParseNode* getParseTree() const { return m_pParseTree;}

        OStatement_Base(OConnection* _pConnection );

        OConnection* getOwnConnection() const { return m_pConnection.get(); }

        using OStatement_BASE::operator css::uno::Reference< css::uno::XInterface >;

        /// @throws css::sdbc::SQLException
        /// @throws css::uno::RuntimeException
        virtual void construct(const OUString& sql);

        // OComponentHelper
        virtual void SAL_CALL disposing() override;
        // XInterface
        //      virtual void SAL_CALL release() throw(css::uno::RuntimeException) = 0;
        virtual void SAL_CALL acquire() noexcept override;
        // XInterface
        virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
        //XTypeProvider
        virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes(  ) override;

        // XPropertySet
        virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo(  ) override;
        // XWarningsSupplier
        virtual css::uno::Any SAL_CALL getWarnings(  ) override;
        virtual void SAL_CALL clearWarnings(  ) override;
        // XCancellable
        virtual void SAL_CALL cancel(  ) override;
        // XCloseable
        virtual void SAL_CALL close(  ) override;
    };

    class OOO_DLLPUBLIC_FILE OStatement_BASE2 : public OStatement_Base

    {
    public:
        OStatement_BASE2(OConnection* _pConnection ) : OStatement_Base(_pConnection ) {}
        // OComponentHelper
        virtual void SAL_CALL disposing() override;
        // XInterface
        virtual void SAL_CALL release() noexcept override;
    };

    typedef ::cppu::ImplHelper2< css::sdbc::XStatement,css::lang::XServiceInfo > OStatement_XStatement;
    class OOO_DLLPUBLIC_FILE OStatement :
                        public OStatement_BASE2,
                        public OStatement_XStatement
    {
    protected:
        // factory method for resultset's
        virtual rtl::Reference<OResultSet> createResultSet() override;
    public:
        // a Constructor, that is needed for when Returning the Object is needed:
        OStatement( OConnection* _pConnection) : OStatement_BASE2( _pConnection){}
        DECLARE_SERVICE_INFO();

        virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
        virtual void SAL_CALL acquire() noexcept override;
        virtual void SAL_CALL release() noexcept override;

        // XStatement
        virtual css::uno::Reference< css::sdbc::XResultSet > SAL_CALL executeQuery( const OUString& sql ) override ;
        virtual sal_Int32 SAL_CALL executeUpdate( const OUString& sql ) override ;
        virtual sal_Bool SAL_CALL execute( const OUString& sql ) override ;
        virtual css::uno::Reference< css::sdbc::XConnection > SAL_CALL getConnection(  ) override ;
    };

}

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