libreoffice/connectivity/source/inc/mysql/YDriver.hxx

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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 *
 * 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
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 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
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#ifndef INCLUDED_CONNECTIVITY_SOURCE_INC_MYSQL_YDRIVER_HXX
#define INCLUDED_CONNECTIVITY_SOURCE_INC_MYSQL_YDRIVER_HXX

#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/XMultiServiceFactory.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>


namespace connectivity
{


    class OMetaConnection;

    namespace mysql
    {
        /// @throws css::uno::Exception
        css::uno::Reference< css::uno::XInterface > ODriverDelegator_CreateInstance(const css::uno::Reference< css::lang::XMultiServiceFactory >& _rxMSF);

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

        typedef std::pair< css::uno::WeakReferenceHelper,OMetaConnection*> TWeakConnectionPair;
        typedef std::pair< css::uno::WeakReferenceHelper,TWeakConnectionPair> TWeakPair;
        typedef std::vector< TWeakPair > TWeakPairVector;
        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
            TWeakPairVector                                           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( const OUString& 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();
            /// @throws css::uno::RuntimeException
            static OUString getImplementationName_Static(  );
            /// @throws css::uno::RuntimeException
            static css::uno::Sequence< OUString > getSupportedServiceNames_Static(  );

            // XDriver
            virtual css::uno::Reference< css::sdbc::XConnection > SAL_CALL connect( const OUString& 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

#endif // INCLUDED_CONNECTIVITY_SOURCE_INC_MYSQL_YDRIVER_HXX

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