AOO410/main/connectivity/source/cpool/ZDriverWrapper.cxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_connectivity.hxx"
#include "ZDriverWrapper.hxx"
#include "ZConnectionPool.hxx"
#include <osl/diagnose.h>

//........................................................................
namespace connectivity
{
//........................................................................

	using namespace ::com::sun::star::uno;
	using namespace ::com::sun::star::sdbc;
	using namespace ::com::sun::star::beans;

	//====================================================================
	//= ODriverWrapper
	//====================================================================
	//--------------------------------------------------------------------
	ODriverWrapper::ODriverWrapper( Reference< XAggregation >& _rxAggregateDriver, OConnectionPool* _pPool )
		:m_pConnectionPool(_pPool)
	{
		OSL_ENSURE(_rxAggregateDriver.is(), "ODriverWrapper::ODriverWrapper: invalid aggregate!");
		OSL_ENSURE(m_pConnectionPool, "ODriverWrapper::ODriverWrapper: invalid connection pool!");

		if (m_pConnectionPool)
			m_pConnectionPool->acquire();

		osl_incrementInterlockedCount( &m_refCount );
		if (_rxAggregateDriver.is())
		{
			// transfer the (one and only) real ref to the aggregate to our member
			m_xDriverAggregate = _rxAggregateDriver;
			_rxAggregateDriver = NULL;

			// a second "real" reference
			m_xDriver = Reference< XDriver >(m_xDriverAggregate, UNO_QUERY);
			OSL_ENSURE(m_xDriver.is(), "ODriverWrapper::ODriverWrapper: invalid aggregate (no XDriver)!");

			// set ourself as delegator
			m_xDriverAggregate->setDelegator( static_cast< XWeak* >( this ) );
		}
		osl_decrementInterlockedCount( &m_refCount );
	}

	//--------------------------------------------------------------------
	ODriverWrapper::~ODriverWrapper()
	{
		if (m_xDriverAggregate.is())
			m_xDriverAggregate->setDelegator(NULL);

		if (m_pConnectionPool)
			m_pConnectionPool->release();
		m_pConnectionPool = NULL;
	}

	//--------------------------------------------------------------------
	Any SAL_CALL ODriverWrapper::queryInterface( const Type& _rType ) throw (RuntimeException)
	{
		Any aReturn = ODriverWrapper_BASE::queryInterface(_rType);
		return aReturn.hasValue() ? aReturn : (m_xDriverAggregate.is() ? m_xDriverAggregate->queryAggregation(_rType) : aReturn);
	}

	//--------------------------------------------------------------------
	Reference< XConnection > SAL_CALL ODriverWrapper::connect( const ::rtl::OUString& url, const Sequence< PropertyValue >& info ) throw (SQLException, RuntimeException)
	{
		Reference< XConnection > xConnection;
		if (m_pConnectionPool)
			// route this through the pool
			xConnection = m_pConnectionPool->getConnectionWithInfo( url, info );
		else if (m_xDriver.is())
			xConnection = m_xDriver->connect( url, info );

		return xConnection;
	}

	//--------------------------------------------------------------------
	sal_Bool SAL_CALL ODriverWrapper::acceptsURL( const ::rtl::OUString& url ) throw (SQLException, RuntimeException)
	{
		return m_xDriver.is() && m_xDriver->acceptsURL(url);
	}

	//--------------------------------------------------------------------
	Sequence< DriverPropertyInfo > SAL_CALL ODriverWrapper::getPropertyInfo( const ::rtl::OUString& url, const Sequence< PropertyValue >& info ) throw (SQLException, RuntimeException)
	{
		Sequence< DriverPropertyInfo > aInfo;
		if (m_xDriver.is())
			aInfo = m_xDriver->getPropertyInfo(url, info);
		return aInfo;
	}

	//--------------------------------------------------------------------
	sal_Int32 SAL_CALL ODriverWrapper::getMajorVersion(  ) throw (RuntimeException)
	{
		return m_xDriver.is() ? m_xDriver->getMajorVersion() : 0;
	}

	//--------------------------------------------------------------------
	sal_Int32 SAL_CALL ODriverWrapper::getMinorVersion(  ) throw (RuntimeException)
	{
		return m_xDriver.is() ? m_xDriver->getMinorVersion() : 0;
	}

//........................................................................
}	// namespace connectivity
//........................................................................