a4d584554f
2008/04/01 15:08:32 thb 1.9.276.3: #i85898# Stripping all external header guards 2008/04/01 10:52:46 thb 1.9.276.2: #i85898# Stripping all external header guards 2008/03/28 15:23:22 rt 1.9.276.1: #i87441# Change license header to LPGL v3.
158 lines
6.9 KiB
C++
158 lines
6.9 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2008 by Sun Microsystems, Inc.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: ZConnectionPool.hxx,v $
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* $Revision: 1.10 $
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _CONNECTIVITY_ZCONNECTIONPOOL_HXX_
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#define _CONNECTIVITY_ZCONNECTIONPOOL_HXX_
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#include <com/sun/star/lang/XEventListener.hpp>
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#include <com/sun/star/sdbc/XPooledConnection.hpp>
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#include <com/sun/star/sdbc/XDriver.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/beans/XPropertyChangeListener.hpp>
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#include <com/sun/star/reflection/XProxyFactory.hpp>
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#include <cppuhelper/weakref.hxx>
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#include <cppuhelper/implbase1.hxx>
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#include <comphelper/stl_types.hxx>
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#include <osl/mutex.hxx>
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#include <vos/timer.hxx>
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#include <vos/ref.hxx>
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#include <rtl/digest.h>
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namespace connectivity
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{
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class OConnectionPool;
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//==========================================================================
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/// OPoolTimer - Invalidates the connection pool
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//==========================================================================
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class OPoolTimer : public ::vos::OTimer
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{
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OConnectionPool* m_pPool;
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public:
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OPoolTimer(OConnectionPool* _pPool,const ::vos::TTimeValue& _Time)
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: ::vos::OTimer(_Time)
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,m_pPool(_pPool)
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{}
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protected:
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virtual void SAL_CALL onShot();
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};
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//==========================================================================
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//= OConnectionPool - the one-instance service for PooledConnections
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//= manages the active connections and the connections in the pool
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//==========================================================================
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typedef ::cppu::WeakImplHelper1< ::com::sun::star::beans::XPropertyChangeListener> OConnectionPool_Base;
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// typedef for the interanl structure
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typedef ::std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XPooledConnection> > TPooledConnections;
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// contains the currently pooled connections
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typedef struct
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{
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TPooledConnections aConnections;
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sal_Int32 nALiveCount; // will be decremented everytime a time says to, when will reach zero the pool will be deleted
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} TConnectionPool;
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struct TDigestHolder
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{
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sal_uInt8 m_pBuffer[RTL_DIGEST_LENGTH_SHA1];
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TDigestHolder()
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{
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m_pBuffer[0] = 0;
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}
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};
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// typedef TDigestHolder
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struct TDigestLess : public ::std::binary_function< TDigestHolder, TDigestHolder, bool>
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{
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bool operator() (const TDigestHolder& x, const TDigestHolder& y) const
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{
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sal_uInt32 i;
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for(i=0;i < RTL_DIGEST_LENGTH_SHA1 && (x.m_pBuffer[i] >= y.m_pBuffer[i]); ++i)
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;
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return i < RTL_DIGEST_LENGTH_SHA1;
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}
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};
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typedef ::std::map< TDigestHolder,TConnectionPool,TDigestLess> TConnectionMap;
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// contains additional information about a activeconnection which is needed to put it back to the pool
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typedef struct
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{
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TConnectionMap::iterator aPos;
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::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XPooledConnection> xPooledConnection;
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} TActiveConnectionInfo;
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typedef ::std::map< ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection>,
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TActiveConnectionInfo> TActiveConnectionMap;
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class OConnectionPool : public OConnectionPool_Base
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{
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TConnectionMap m_aPool; // the pooled connections
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TActiveConnectionMap m_aActiveConnections; // the currently active connections
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::osl::Mutex m_aMutex;
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::vos::ORef<OPoolTimer> m_xInvalidator; // invalidates the conntection pool when shot
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::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XDriver > m_xDriver; // the one and only driver for this connectionpool
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::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xDriverNode; // config node entry
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::com::sun::star::uno::Reference< ::com::sun::star::reflection::XProxyFactory > m_xProxyFactory;
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sal_Int32 m_nTimeOut;
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sal_Int32 m_nALiveCount;
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private:
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::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection> createNewConnection(const ::rtl::OUString& _rURL,
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const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& _rInfo);
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::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection> getPooledConnection(TConnectionMap::iterator& _rIter);
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// calculate the timeout and the corresponding ALiveCount
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void calculateTimeOuts();
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protected:
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// the dtor will be called from the last instance (last release call)
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virtual ~OConnectionPool();
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public:
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OConnectionPool(const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XDriver >& _xDriver,
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const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xDriverNode,
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const ::com::sun::star::uno::Reference< ::com::sun::star::reflection::XProxyFactory >& _rxProxyFactory);
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// delete all refs
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void clear(sal_Bool _bDispose);
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::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);
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// XEventListener
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virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);
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// XPropertyChangeListener
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virtual void SAL_CALL propertyChange( const ::com::sun::star::beans::PropertyChangeEvent& evt ) throw (::com::sun::star::uno::RuntimeException);
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void invalidatePooledConnections();
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};
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}
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#endif // _CONNECTIVITY_ZCONNECTIONPOOL_HXX_
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