UniConnection.h

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// -------------------------------------------------------------------------
// -----                       UniConnection header file               -----
// -------------------------------------------------------------------------
 
/** UniConnection.h
 *@author K.Gertsenberger <gertsen@jinr.ru>
 **
 ** Class for connection to the experiment database: Unified Condition Database
 **/
 
#ifndef UNICONNECTION_H
#define UNICONNECTION_H 1
 
#include "uni_db_settings.h"
 
#include <TSQLServer.h>
#include <iostream>
#include <map>
#include <string>
using namespace std;
 
typedef map<string, TSQLServer*> mapSQLServer;
typedef pair<string, TSQLServer*> pairSQLServer;
typedef map<string, TSQLServer*>::iterator itSQLServer;
 
class UniConnection : public TObject
{
  public:
    enum enumDBMS
    {
        MySQL,
        PgSQL
    };
 
    static UniConnection* Open();
    static UniConnection* Open(enumDBMS database_type,
                               const char* strDBHost,
                               const char* strDBName,
                               const char* strUID,
                               const char* strPassword);
    virtual ~UniConnection();   // Destructor
 
    TSQLServer* GetSQLServer() { return db_server; }
 
    static const char* DbToString() { return "UNIFIED_DB"; }
 
  protected:
    static mapSQLServer* mapConnection;
 
  private:
    TSQLServer* db_server;
 
    UniConnection(TSQLServer* pSQLServer);
    static UniConnection* OpenConnection(const TString& connect_string,
                                         const char* strDBHost,
                                         const char* strUID,
                                         const char* strPassword);
 
    ClassDef(UniConnection, 2)
};
 
#endif