/data/refman/pasoursint/CMSSW_5_3_0/src/OnlineDB/EcalCondDB/interface/DateHandler.h

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#ifndef DATEHANDLER_H
#define DATEHANDLER_H

#include "OnlineDB/Oracle/interface/Oracle.h"
#include "OnlineDB/EcalCondDB/interface/Tm.h"


class DateHandler {
 public:

  DateHandler(oracle::occi::Environment* env, oracle::occi::Connection* conn);
  ~DateHandler();
  
  inline Tm getNegInfTm() const { return NEG_INF; }
  inline Tm getPlusInfTm() const { return PLUS_INF; }
  inline oracle::occi::Date getNegInfDate() const { return NEG_INF_DATE; }
  inline oracle::occi::Date getPlusInfDate() const { return PLUS_INF_DATE; }

  inline oracle::occi::Date getCurrentDate()
    {
      return oracle::occi::Date(oracle::occi::Date::getSystemDate(m_env));
    }

  inline oracle::occi::Date minDate()
    { 
      return oracle::occi::Date(m_env, 1970, 1, 1, 0, 0, 0); 
    }
  
  inline oracle::occi::Date maxDate()
    {
      return oracle::occi::Date(m_env, 9999, 12, 31, 23, 59, 59);
    }

  oracle::occi::Date tmToDate(const Tm& inTm) const;
  
  Tm dateToTm(oracle::occi::Date& date) const;
  
 private:
  DateHandler();  // hide the default constructor
  oracle::occi::Connection* m_conn;
  oracle::occi::Environment* m_env;

  Tm PLUS_INF;
  Tm NEG_INF;
  oracle::occi::Date PLUS_INF_DATE;
  oracle::occi::Date NEG_INF_DATE;
};

#endif