DB.h

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/*
 * DB.h
 *
 *  This file is part of the HausmiSEP project
 *
 *  Copyright (C) 2012, 2013 Marco Alvarado (malvcr@gmail.com)
 *
 *  This program 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef DB_H_
#define DB_H_

#include <HSEPData/DBBase.h>
#include <HSEPData/DBDrvLib.h>
#include <HSEPData/DBEnvironmentQueue.h>
#include <HSEP/HSEPObject.h>

#include <vector>
#include <map>

using namespace HSEP;

namespace HSEPData {

    class DB : public HSEPObject {

        typedef Dictionary<DBDrvLib> DBDrvLibDictionary;

        DBDrvLibDictionary*    aDBDrvLibraries;
        DBEnvironmentQueueMap* aEnvironments;

    protected:
        void      loadDrivers  (string& pDriverPathRef);

        ErrorCode loadInstances(string& pConfigPathRef);

        void unloadDrivers();

        void unloadInstances();

    public:

        DB(string& pConfigPathRef, string& pQueryPathRef,string& pDriverPathRef);

        ~DB();

        static DB* aInstance;   
        DBEnvironment* getEnvironmentPtr(string& pEnvironmentTypeRef);

        void releaseEnvironment(string& pEnvironmentTypeRef, DBEnvironment* pEnvironmentPtr);

    }; // DB class

} // HSEPData namespace

#endif /* DB_H_ */