Factory.hh

//********************************************************************
//*** ResourcePool/oracle/Factory.hh
//*** Copyright (c) 2003-2009 by Markus Winand <mws@fatalmind.com>
//*** $Id: Factory.hh,v 1.25 2009-03-02 14:16:45 mws Exp $
//********************************************************************
/*
This file is part of ResourcePool.

ResourcePool is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2 of 
the License, or (at your option) any later version.

ResourcePool 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with ResourcePool; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307  USA */

#ifndef RESOURCEPOOL_ORACLE_FACTORY_HH
#define RESOURCEPOOL_ORACLE_FACTORY_HH

#ifndef RESOURCEPOOL_ORACLE_RESOURCEFWD_HH
#include "ResourceFwd.hh"
#endif

#ifndef RESOURCEPOOL_ORACLE_OCIENVHANDLEFWD_HH
#include "OCIEnvHandleFwd.hh"
#endif

#ifndef INCLUDED_GC_PTR_HH
#include "mm/gc_ptr.hh"
#endif

#include "ResourcePool/SQL/SQLFactoryInterface.hh"
#include "ResourcePool/ResourcePoolStreamLogger.hh"

#include <string>
#include <memory>

namespace fatalmind {

template<class TM /* a Threading model */
, template<class> class SLMDC = oracle::SelectListMetaDataCache 
 /* Alternatively you could use oracle::SelectListMetaDataNopCache */
> class oracleFactory : public SQL::SQLFactoryInterface {
        typedef SQL::SQLFactoryInterface super;
    public:
        oracleFactory(const std::string& service_name
            , const std::string& user
            , const std::string& pass
            , ResourcePoolEventObserver& e = ResourcePoolStreamLogger::defaultLogger
        );
        oracleFactory(const std::string& logon, ResourcePoolEventObserver& e = ResourcePoolStreamLogger::defaultLogger);
        oracleFactory(const oracleFactory<TM,SLMDC>&);
        ~oracleFactory();

        oracleResource<TM>* create_resource() const;
    
        using super::databaseType_t;
        databaseType_t getDatabaseType() const {
            return OCI;
        };

    protected:
        virtual Clone* DoClone() const;

    private:
        std::string _service_name;
        std::string _user;
        std::string _pass;

        const unsigned int _mode;
        mutable std::auto_ptr<oracle::OCIEnvHandle> _env;
        gc_ptr<typename oracle::SelectListMetaDataCacheInterface<TM>::type, TM> _slmdc;
};

} // namespace fatalmind
#endif

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