connectivity/source/cpool/ZDriverWrapper.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   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
  20 #include "ZDriverWrapper.hxx"
  21 #include "ZConnectionPool.hxx"
  22 #include <osl/diagnose.h>
  23
  24
  25 namespace connectivity
  26 {
  27
  28
  29     using namespace ::com::sun::star::uno;
  30     using namespace ::com::sun::star::sdbc;
  31     using namespace ::com::sun::star::beans;
  32
  33     ODriverWrapper::ODriverWrapper( Reference< XAggregation >& _rxAggregateDriver, OConnectionPool* _pPool )
  34         :m_pConnectionPool(_pPool)
  35     {
  36         OSL_ENSURE(_rxAggregateDriver.is(), "ODriverWrapper::ODriverWrapper: invalid aggregate!");
  37         OSL_ENSURE(m_pConnectionPool, "ODriverWrapper::ODriverWrapper: invalid connection pool!");
  38
  39         if (m_pConnectionPool)
  40             m_pConnectionPool->acquire();
  41
  42         osl_atomic_increment( &m_refCount );
  43         if (_rxAggregateDriver.is())
  44         {
  45             // transfer the (one and only) real ref to the aggregate to our member
  46             m_xDriverAggregate = _rxAggregateDriver;
  47             _rxAggregateDriver = NULL;
  48
  49             // a second "real" reference
  50             m_xDriver = Reference< XDriver >(m_xDriverAggregate, UNO_QUERY);
  51             OSL_ENSURE(m_xDriver.is(), "ODriverWrapper::ODriverWrapper: invalid aggregate (no XDriver)!");
  52
  53             // set ourself as delegator
  54             m_xDriverAggregate->setDelegator( static_cast< XWeak* >( this ) );
  55         }
  56         osl_atomic_decrement( &m_refCount );
  57     }
  58
  59
  60     ODriverWrapper::~ODriverWrapper()
  61     {
  62         if (m_xDriverAggregate.is())
  63             m_xDriverAggregate->setDelegator(NULL);
  64
  65         if (m_pConnectionPool)
  66             m_pConnectionPool->release();
  67         m_pConnectionPool = NULL;
  68     }
  69
  70
  71     Any SAL_CALL ODriverWrapper::queryInterface( const Type& _rType ) throw (RuntimeException, std::exception)
  72     {
  73         Any aReturn = ODriverWrapper_BASE::queryInterface(_rType);
  74         return aReturn.hasValue() ? aReturn : (m_xDriverAggregate.is() ? m_xDriverAggregate->queryAggregation(_rType) : aReturn);
  75     }
  76
  77
  78     Reference< XConnection > SAL_CALL ODriverWrapper::connect( const OUString& url, const Sequence< PropertyValue >& info ) throw (SQLException, RuntimeException, std::exception)
  79     {
  80         Reference< XConnection > xConnection;
  81         if (m_pConnectionPool)
  82             // route this through the pool
  83             xConnection = m_pConnectionPool->getConnectionWithInfo( url, info );
  84         else if (m_xDriver.is())
  85             xConnection = m_xDriver->connect( url, info );
  86
  87         return xConnection;
  88     }
  89
  90
  91     sal_Bool SAL_CALL ODriverWrapper::acceptsURL( const OUString& url ) throw (SQLException, RuntimeException, std::exception)
  92     {
  93         return m_xDriver.is() && m_xDriver->acceptsURL(url);
  94     }
  95
  96
  97     Sequence< DriverPropertyInfo > SAL_CALL ODriverWrapper::getPropertyInfo( const OUString& url, const Sequence< PropertyValue >& info ) throw (SQLException, RuntimeException, std::exception)
  98     {
  99         Sequence< DriverPropertyInfo > aInfo;
 100         if (m_xDriver.is())
 101             aInfo = m_xDriver->getPropertyInfo(url, info);
 102         return aInfo;
 103     }
 104
 105
 106     sal_Int32 SAL_CALL ODriverWrapper::getMajorVersion(  ) throw (RuntimeException, std::exception)
 107     {
 108         return m_xDriver.is() ? m_xDriver->getMajorVersion() : 0;
 109     }
 110
 111
 112     sal_Int32 SAL_CALL ODriverWrapper::getMinorVersion(  ) throw (RuntimeException, std::exception)
 113     {
 114         return m_xDriver.is() ? m_xDriver->getMinorVersion() : 0;
 115     }
 116
 117
 118 }   // namespace connectivity
 119
 120
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */