STEER/AliTimeStamp.h

   1 #ifndef ALITIMESTAMP_H
   2 #define ALITIMESTAMP_H
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 /* $Id: AliTimeStamp.h 22322 2007-11-22 11:43:14Z cvetan $ */
   8
   9 ///////////////////////////////////////////////////////////////////////////////
  10 //
  11 //  Class to define Event Timestamp from :
  12 //
  13 //               Orbit
  14 //               Period counter
  15 //               Seconds    |
  16 //                  +       | ===> Bunch cross
  17 //               Microsecs  |
  18 //
  19 //////////////////////////////////////////////////////////////////////////////
  20 #include <cmath>
  21
  22 class TObject;
  23
  24 class AliTimeStamp : public TObject {
  25
  26 public:
  27                          AliTimeStamp();
  28                          AliTimeStamp( UInt_t orbit, UInt_t period, ULong64_t bunchCross );
  29                          AliTimeStamp( UInt_t orbit, UInt_t period,
  30                                        UInt_t seconds, UInt_t microsecs );
  31               virtual   ~AliTimeStamp() {}
  32                          AliTimeStamp( const AliTimeStamp &timestamp );
  33          AliTimeStamp&   operator=(const AliTimeStamp& timestamp);
  34
  35       // Getters
  36                UInt_t    GetOrbit()      const { return fOrbit;     }
  37                UInt_t    GetPeriod()     const { return fPeriod;    }
  38             ULong64_t    GetBunchCross() const { return fBunchCross; }
  39                UInt_t    GetSeconds()    const { return (UInt_t)(fBunchCross/1000000000.*fNanosecPerBC);   }
  40                UInt_t    GetMicroSecs()  const { return (UInt_t)(fmod(fBunchCross *fNanosecPerBC, 1000000000.)/1000 ); }
  41        virtual Bool_t    IsSortable()    const { return kTRUE; }
  42      // Setters
  43                  void    SetTimeStamp( UInt_t orbit, UInt_t period, ULong64_t bunchcross );
  44                  void    SetTimeStamp( UInt_t orbit, UInt_t period,
  45                                        UInt_t seconds, UInt_t microsecs );
  46
  47
  48         virtual Int_t    Compare( const TObject* obj ) const;
  49          virtual void    Print( const Option_t* opt ="" ) const;
  50
  51    static const Int_t    fNanosecPerBC;   //! nanosecs per bunch cross
  52
  53 protected:
  54               UInt_t    fOrbit;         // Orbit
  55               UInt_t    fPeriod;        // Period counter
  56            ULong64_t    fBunchCross;    // Bunch Cross
  57 //              UInt_t    fSeconds;       // Seconds
  58 //              UInt_t    fMicroSecs;     // Microsecs
  59
  60 private:
  61
  62    ClassDef( AliTimeStamp, 1 )  // Define a timestamp
  63 };
  64
  65
  66 #endif