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path: root/connectivity/source/inc/hsqldb/HDriver.hxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * 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
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
#pragma once

#include <com/sun/star/sdbc/XDriver.hpp>
#include <com/sun/star/sdbcx/XDataDefinitionSupplier.hpp>
#include <com/sun/star/sdbcx/XCreateCatalog.hpp>
#include <com/sun/star/embed/XTransactionListener.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::hsqldb
    {
        typedef ::cppu::WeakComponentImplHelper<   css::sdbc::XDriver
                                                 , css::sdbcx::XDataDefinitionSupplier
                                                 , css::lang::XServiceInfo
                                                 , css::sdbcx::XCreateCatalog
                                                 , css::embed::XTransactionListener
                                               >   ODriverDelegator_BASE;

        typedef std::pair< css::uno::WeakReferenceHelper,css::uno::WeakReferenceHelper> TWeakRefPair;
        typedef std::pair< OUString ,TWeakRefPair > TWeakConnectionPair;

        typedef std::pair< css::uno::WeakReferenceHelper,TWeakConnectionPair> TWeakPair;
        typedef std::vector< TWeakPair > TWeakPairVector;


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

        */
        class ODriverDelegator final : public ::cppu::BaseMutex
                                ,public ODriverDelegator_BASE
        {
            TWeakPairVector                                           m_aConnections; //  vector containing a list
                                                                                      //  of all the Connection objects
                                                                                      //  for this Driver
            css::uno::Reference< css::sdbc::XDriver >                 m_xDriver;
            css::uno::Reference< css::uno::XComponentContext >        m_xContext;
            bool                                                      m_bInShutDownConnections;

            /** load the driver we want to delegate.
                The <member>m_xDriver</member> may be <NULL/> if the driver could not be loaded.
                @return
                    The driver which was currently selected.
            */
            css::uno::Reference< css::sdbc::XDriver > const & loadDriver( );

            /** shut down the connection and revoke the storage from the map
                @param  _aIter
                    The connection to shut down and storage to revoke.
            */
            void shutdownConnection(const TWeakPairVector::iterator& _aIter);

        public:
            /** creates a new delegator for a HSQLDB 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& 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;

            // XCreateCatalog
            virtual void SAL_CALL createCatalog( const css::uno::Sequence< css::beans::PropertyValue >& info ) override;

            // XEventListener
            virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;

            // XTransactionListener
            virtual void SAL_CALL preCommit( const css::lang::EventObject& aEvent ) override;
            virtual void SAL_CALL commited( const css::lang::EventObject& aEvent ) override;
            virtual void SAL_CALL preRevert( const css::lang::EventObject& aEvent ) override;
            virtual void SAL_CALL reverted( const css::lang::EventObject& aEvent ) override;

            void shutdownConnections();
            void flushConnections();
        private:
            /// dtor
            virtual ~ODriverDelegator() override;
            // OComponentHelper
            virtual void SAL_CALL disposing() override;

            /** called when we connected to a newly created embedded database
            */
            void onConnectedNewDatabase(
                const css::uno::Reference< css::sdbc::XConnection >& _rxConnection
            );
        };


}   // namespace connectivity::hsqldb

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