/************************************************************************* * * OpenOffice.org - a multi-platform office productivity suite * * $RCSfile: ZConnectionPool.hxx,v $ * * $Revision: 1.9 $ * * last change: $Author: hr $ $Date: 2006-06-20 01:07:02 $ * * The Contents of this file are made available subject to * the terms of GNU Lesser General Public License Version 2.1. * * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2005 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * ************************************************************************/ #ifndef _CONNECTIVITY_ZCONNECTIONPOOL_HXX_ #define _CONNECTIVITY_ZCONNECTIONPOOL_HXX_ #ifndef _COM_SUN_STAR_LANG_XEVENTLISTENER_HPP_ #include #endif #ifndef _COM_SUN_STAR_SDBC_XPOOLEDCONNECTION_HPP_ #include #endif #ifndef _COM_SUN_STAR_SDBC_XDRIVER_HPP_ #include #endif #ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_ #include #endif #ifndef _COM_SUN_STAR_BEANS_XPROPERTYCHANGELISTENER_HPP_ #include #endif #ifndef _COM_SUN_STAR_REFLECTION_XPROXYFACTORY_HPP_ #include #endif #ifndef _CPPUHELPER_WEAKREF_HXX_ #include #endif #ifndef _CPPUHELPER_IMPLBASE1_HXX_ #include #endif #ifndef _COMPHELPER_STLTYPES_HXX_ #include #endif #ifndef _OSL_MUTEX_HXX_ #include #endif #ifndef _VOS_TIMER_HXX_ #include #endif #ifndef _VOS_REF_HXX_ #include #endif #ifndef _RTL_DIGEST_H_ #include #endif namespace connectivity { class OConnectionPool; //========================================================================== /// OPoolTimer - Invalidates the connection pool //========================================================================== class OPoolTimer : public ::vos::OTimer { OConnectionPool* m_pPool; public: OPoolTimer(OConnectionPool* _pPool,const ::vos::TTimeValue& _Time) : ::vos::OTimer(_Time) ,m_pPool(_pPool) {} protected: virtual void SAL_CALL onShot(); }; //========================================================================== //= OConnectionPool - the one-instance service for PooledConnections //= manages the active connections and the connections in the pool //========================================================================== typedef ::cppu::WeakImplHelper1< ::com::sun::star::beans::XPropertyChangeListener> OConnectionPool_Base; // typedef for the interanl structure typedef ::std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XPooledConnection> > TPooledConnections; // contains the currently pooled connections typedef struct { TPooledConnections aConnections; sal_Int32 nALiveCount; // will be decremented everytime a time says to, when will reach zero the pool will be deleted } TConnectionPool; struct TDigestHolder { sal_uInt8 m_pBuffer[RTL_DIGEST_LENGTH_SHA1]; TDigestHolder() { m_pBuffer[0] = 0; } }; // typedef TDigestHolder struct TDigestLess : public ::std::binary_function< TDigestHolder, TDigestHolder, bool> { bool operator() (const TDigestHolder& x, const TDigestHolder& y) const { sal_uInt32 i; for(i=0;i < RTL_DIGEST_LENGTH_SHA1 && (x.m_pBuffer[i] >= y.m_pBuffer[i]); ++i) ; return i < RTL_DIGEST_LENGTH_SHA1; } }; typedef ::std::map< TDigestHolder,TConnectionPool,TDigestLess> TConnectionMap; // contains additional information about a activeconnection which is needed to put it back to the pool typedef struct { TConnectionMap::iterator aPos; ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XPooledConnection> xPooledConnection; } TActiveConnectionInfo; typedef ::std::map< ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection>, TActiveConnectionInfo> TActiveConnectionMap; class OConnectionPool : public OConnectionPool_Base { TConnectionMap m_aPool; // the pooled connections TActiveConnectionMap m_aActiveConnections; // the currently active connections ::osl::Mutex m_aMutex; ::vos::ORef m_xInvalidator; // invalidates the conntection pool when shot ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XDriver > m_xDriver; // the one and only driver for this connectionpool ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xDriverNode; // config node entry ::com::sun::star::uno::Reference< ::com::sun::star::reflection::XProxyFactory > m_xProxyFactory; sal_Int32 m_nTimeOut; sal_Int32 m_nALiveCount; private: ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection> createNewConnection(const ::rtl::OUString& _rURL, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& _rInfo); ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection> getPooledConnection(TConnectionMap::iterator& _rIter); // calculate the timeout and the corresponding ALiveCount void calculateTimeOuts(); protected: // the dtor will be called from the last instance (last release call) virtual ~OConnectionPool(); public: OConnectionPool(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XDriver >& _xDriver, const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xDriverNode, const ::com::sun::star::uno::Reference< ::com::sun::star::reflection::XProxyFactory >& _rxProxyFactory); // delete all refs void clear(sal_Bool _bDispose); ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection > SAL_CALL getConnectionWithInfo( const ::rtl::OUString& url, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& info ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); // XEventListener virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException); // XPropertyChangeListener virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw (::com::sun::star::uno::RuntimeException); void invalidatePooledConnections(); }; } #endif // _CONNECTIVITY_ZCONNECTIONPOOL_HXX_