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/*************************************************************************
*
* 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 <com/sun/star/lang/XEventListener.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XPOOLEDCONNECTION_HPP_
#include <com/sun/star/sdbc/XPooledConnection.hpp>
#endif
#ifndef _COM_SUN_STAR_SDBC_XDRIVER_HPP_
#include <com/sun/star/sdbc/XDriver.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_PROPERTYVALUE_HPP_
#include <com/sun/star/beans/PropertyValue.hpp>
#endif
#ifndef _COM_SUN_STAR_BEANS_XPROPERTYCHANGELISTENER_HPP_
#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#endif
#ifndef _COM_SUN_STAR_REFLECTION_XPROXYFACTORY_HPP_
#include <com/sun/star/reflection/XProxyFactory.hpp>
#endif
#ifndef _CPPUHELPER_WEAKREF_HXX_
#include <cppuhelper/weakref.hxx>
#endif
#ifndef _CPPUHELPER_IMPLBASE1_HXX_
#include <cppuhelper/implbase1.hxx>
#endif
#ifndef _COMPHELPER_STLTYPES_HXX_
#include <comphelper/stl_types.hxx>
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#ifndef _VOS_TIMER_HXX_
#include <vos/timer.hxx>
#endif
#ifndef _VOS_REF_HXX_
#include <vos/ref.hxx>
#endif
#ifndef _RTL_DIGEST_H_
#include <rtl/digest.h>
#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<OPoolTimer> 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_
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