Quelle  YDriver.hxx   Sprache: C

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

#include <sal/config.h>

#include <map>

#include <com/sun/star/sdbc/XDriver.hpp>
#include <com/sun/star/sdbcx/XDataDefinitionSupplier.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <cppuhelper/compbase.hxx>
#include <cppuhelper/basemutex.hxx>
#include <connectivity/CommonTools.hxx>
#include <unotools/weakref.hxx>


namespace connectivity
{


    class OMetaConnection;

    namespace mysql
    {
        class OMySQLCatalog;

        typedef ::cppu::WeakComponentImplHelper<   css::sdbc::XDriver
                                               ,   css::sdbcx::XDataDefinitionSupplier
                                               ,   css::lang::XServiceInfo
                                               >   ODriverDelegator_BASE;

        struct TConnectionInfo
        {
            css::uno::WeakReference<css::sdbc::XConnection> xConn;
            unotools::WeakReference<OMySQLCatalog> xCatalog;
            OMetaConnection* pMetaConn;
        };
        typedef std::map< OUString, css::uno::Reference< css::sdbc::XDriver > > TJDBCDrivers;

        /** delegates all calls to the original driver and extend the existing one with the SDBCX layer.

        */
        class ODriverDelegator : public ::cppu::BaseMutex
                                ,public ODriverDelegator_BASE
        {
            TJDBCDrivers                                              m_aJdbcDrivers; // all jdbc drivers
            std::vector<TConnectionInfo>                              m_aConnections; //  vector containing a list
                                                                                                //  of all the Connection objects
                                                                                                //  for this Driver
            css::uno::Reference< css::sdbc::XDriver >                 m_xODBCDriver;
            css::uno::Reference< css::sdbc::XDriver >                 m_xNativeDriver;
            css::uno::Reference< css::uno::XComponentContext >        m_xContext;

            /** load the driver we want to delegate.
                The <member>m_xODBCDriver</member> or <member>m_xDBCDriver</member> may be <NULL/> if the driver could not be loaded.
                @param  url
                    The URL.
                @param  info
                    The property info contains which driver we have to delegate.
                @return
                    The driver which was currently selected.
            */
            css::uno::Reference< css::sdbc::XDriver > loadDriver( std::u16string_view url, const css::uno::Sequence< css::beans::PropertyValue >& info );

        public:
            /** creates a new delegator for a mysql driver
            */
            ODriverDelegator(const css::uno::Reference< css::uno::XComponentContext >& _rxContext);

            // XServiceInfo
            DECLARE_SERVICE_INFO();

            // XDriver
            virtual css::uno::Reference< css::sdbc::XConnection > SAL_CALL connect( const OUString&&nbsp;url, const css::uno::Sequence< css::beans::PropertyValue >& info ) override;
            virtual sal_Bool SAL_CALL acceptsURL( const OUString& url ) override;
            virtual css::uno::Sequence< css::sdbc::DriverPropertyInfo > SAL_CALL getPropertyInfo( const OUString& url, const css::uno::Sequence< css::beans::PropertyValue >& info ) override;
            virtual sal_Int32 SAL_CALL getMajorVersion(  ) override;
            virtual sal_Int32 SAL_CALL getMinorVersion(  ) override;

            // XDataDefinitionSupplier
            virtual css::uno::Reference< css::sdbcx::XTablesSupplier > SAL_CALL getDataDefinitionByConnection( const css::uno::Reference< css::sdbc::XConnection >& connection ) override;
            virtual css::uno::Reference< css::sdbcx::XTablesSupplier > SAL_CALL getDataDefinitionByURL( const OUString& url, const css::uno::Sequence< css::beans::PropertyValue >& info ) override;
        protected:
            /// dtor
            virtual ~ODriverDelegator() override;
            // OComponentHelper
            virtual void SAL_CALL disposing() override;
        };
    }


}   // namespace connectivity

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