connectivity/source/inc/hsqldb/HDriver.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #pragma once
  20
  21 #include <com/sun/star/sdbc/XDriver.hpp>
  22 #include <com/sun/star/sdbcx/XDataDefinitionSupplier.hpp>
  23 #include <com/sun/star/sdbcx/XCreateCatalog.hpp>
  24 #include <com/sun/star/embed/XTransactionListener.hpp>
  25 #include <com/sun/star/lang/XServiceInfo.hpp>
  26 #include <com/sun/star/uno/XComponentContext.hpp>
  27 #include <cppuhelper/compbase.hxx>
  28 #include <cppuhelper/basemutex.hxx>
  29 #include <connectivity/CommonTools.hxx>
  30
  31
  32 namespace connectivity::hsqldb
  33     {
  34         typedef ::cppu::WeakComponentImplHelper<   css::sdbc::XDriver
  35                                                  , css::sdbcx::XDataDefinitionSupplier
  36                                                  , css::lang::XServiceInfo
  37                                                  , css::sdbcx::XCreateCatalog
  38                                                  , css::embed::XTransactionListener
  39                                                >   ODriverDelegator_BASE;
  40
  41         typedef std::pair< css::uno::WeakReferenceHelper,css::uno::WeakReferenceHelper> TWeakRefPair;
  42         typedef std::pair< OUString ,TWeakRefPair > TWeakConnectionPair;
  43
  44         typedef std::pair< css::uno::WeakReferenceHelper,TWeakConnectionPair> TWeakPair;
  45         typedef std::vector< TWeakPair > TWeakPairVector;
  46
  47
  48         /** delegates all calls to the original driver and extend the existing one with the SDBCX layer.
  49
  50         */
  51         class ODriverDelegator final : public ::cppu::BaseMutex
  52                                 ,public ODriverDelegator_BASE
  53         {
  54             TWeakPairVector                                           m_aConnections; //  vector containing a list
  55                                                                                       //  of all the Connection objects
  56                                                                                       //  for this Driver
  57             css::uno::Reference< css::sdbc::XDriver >                 m_xDriver;
  58             css::uno::Reference< css::uno::XComponentContext >        m_xContext;
  59             bool                                                      m_bInShutDownConnections;
  60
  61             /** load the driver we want to delegate.
  62                 The <member>m_xDriver</member> may be <NULL/> if the driver could not be loaded.
  63                 @return
  64                     The driver which was currently selected.
  65             */
  66             css::uno::Reference< css::sdbc::XDriver > const & loadDriver( );
  67
  68             /** shut down the connection and revoke the storage from the map
  69                 @param  _aIter
  70                     The connection to shut down and storage to revoke.
  71             */
  72             void shutdownConnection(const TWeakPairVector::iterator& _aIter);
  73
  74         public:
  75             /** creates a new delegator for a HSQLDB driver
  76             */
  77             ODriverDelegator(const css::uno::Reference< css::uno::XComponentContext >& _rxContext);
  78
  79             // XServiceInfo
  80             DECLARE_SERVICE_INFO();
  81
  82             // XDriver
  83             virtual css::uno::Reference< css::sdbc::XConnection > SAL_CALL connect( const OUString& url, const css::uno::Sequence< css::beans::PropertyValue >& info ) override;
  84             virtual sal_Bool SAL_CALL acceptsURL( const OUString& url ) override;
  85             virtual css::uno::Sequence< css::sdbc::DriverPropertyInfo > SAL_CALL getPropertyInfo( const OUString& url, const css::uno::Sequence< css::beans::PropertyValue >& info ) override;
  86             virtual sal_Int32 SAL_CALL getMajorVersion(  ) override;
  87             virtual sal_Int32 SAL_CALL getMinorVersion(  ) override;
  88
  89             // XDataDefinitionSupplier
  90             virtual css::uno::Reference< css::sdbcx::XTablesSupplier > SAL_CALL getDataDefinitionByConnection( const css::uno::Reference< css::sdbc::XConnection >& connection ) override;
  91             virtual css::uno::Reference< css::sdbcx::XTablesSupplier > SAL_CALL getDataDefinitionByURL( const OUString& url, const css::uno::Sequence< css::beans::PropertyValue >& info ) override;
  92
  93             // XCreateCatalog
  94             virtual void SAL_CALL createCatalog( const css::uno::Sequence< css::beans::PropertyValue >& info ) override;
  95
  96             // XEventListener
  97             virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
  98
  99             // XTransactionListener
 100             virtual void SAL_CALL preCommit( const css::lang::EventObject& aEvent ) override;
 101             virtual void SAL_CALL commited( const css::lang::EventObject& aEvent ) override;
 102             virtual void SAL_CALL preRevert( const css::lang::EventObject& aEvent ) override;
 103             virtual void SAL_CALL reverted( const css::lang::EventObject& aEvent ) override;
 104
 105             void shutdownConnections();
 106             void flushConnections();
 107         private:
 108             /// dtor
 109             virtual ~ODriverDelegator() override;
 110             // OComponentHelper
 111             virtual void SAL_CALL disposing() override;
 112
 113             /** called when we connected to a newly created embedded database
 114             */
 115             void onConnectedNewDatabase(
 116                 const css::uno::Reference< css::sdbc::XConnection >& _rxConnection
 117             );
 118         };
 119
 120
 121 }   // namespace connectivity::hsqldb
 122
 123 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */