/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/DataFormats/Provenance/interface/EventAuxiliary.h

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#ifndef DataFormats_Provenance_EventAuxiliary_h
#define DataFormats_Provenance_EventAuxiliary_h

#include <iosfwd>

#include "DataFormats/Provenance/interface/EventID.h"
#include "DataFormats/Provenance/interface/ProcessHistoryID.h"
#include "DataFormats/Provenance/interface/Timestamp.h"

// Auxiliary event data that is persistent

namespace edm {
  class EventAux;
  class EventAuxiliary {
  public:
    friend void conversion(EventAux const&, EventAuxiliary&);
    // Updated on 9 Feb. '09 on a request from Emelio Meschi
    enum ExperimentType {
      Undefined          =  0,
      PhysicsTrigger     =  1,
      CalibrationTrigger =  2,
      RandomTrigger      =  3,
      Reserved           =  4, 
      TracedEvent        =  5,
      TestTrigger        =  6,
      ErrorTrigger       = 15
    };
    static int const invalidBunchXing = -1;
    static int const invalidStoreNumber = 0;
    EventAuxiliary() :
        processHistoryID_(),
        id_(),
        processGUID_(),
        time_(),
        luminosityBlock_(0U),
        isRealData_(false), 
        experimentType_(Undefined),
        bunchCrossing_(invalidBunchXing),
        orbitNumber_(invalidBunchXing),
        storeNumber_(invalidStoreNumber) {}
    EventAuxiliary(EventID const& theId, std::string const& theProcessGUID, Timestamp const& theTime,
                   bool isReal, ExperimentType eType = Undefined,
                   int bunchXing = invalidBunchXing, int storeNum = invalidStoreNumber,
                   int orbitNum = invalidBunchXing) :
        processHistoryID_(),
        id_(theId),
        processGUID_(theProcessGUID),
        time_(theTime),
        luminosityBlock_(0U),
        isRealData_(isReal),
        experimentType_(eType),
        bunchCrossing_(bunchXing),
        orbitNumber_(orbitNum),
        storeNumber_(storeNum) {}
    ~EventAuxiliary() {}
    void write(std::ostream& os) const;
    ProcessHistoryID const& processHistoryID() const {return processHistoryID_;}
    void setProcessHistoryID(ProcessHistoryID const& phid) {processHistoryID_ = phid;}
    EventID const& id() const {return id_;}
    EventID& id() {return id_;}
    std::string const& processGUID() const {return processGUID_;}
    Timestamp const& time() const {return time_;}
    LuminosityBlockNumber_t luminosityBlock() const {return id_.luminosityBlock() != 0U ? id_.luminosityBlock() : luminosityBlock_;}
    LuminosityBlockNumber_t oldLuminosityBlock() const {return luminosityBlock_;}
    void resetObsoleteInfo() {luminosityBlock_ = 0;}
    EventNumber_t event() const {return id_.event();}
    RunNumber_t run() const {return id_.run();}
    bool isRealData() const {return isRealData_;}
    ExperimentType experimentType() const {return experimentType_;}
    int bunchCrossing() const {return bunchCrossing_;}
    int orbitNumber() const {return orbitNumber_;}
    int storeNumber() const {return storeNumber_;}

  private:
    // Process history ID of the full process history (not the reduced process history)
    ProcessHistoryID processHistoryID_;
    // Event ID
    EventID id_;
    // Globally unique process ID of process that created event.
    std::string processGUID_;
    // Time from DAQ
    Timestamp time_;
    // Associated Luminosity Block identifier (obsolete. for backward compatibility only)
    LuminosityBlockNumber_t luminosityBlock_;
    // Is this real data (i.e. not simulated)
    bool isRealData_;
    // Something descriptive of the source of the data
    ExperimentType experimentType_;
    //  The bunch crossing number
    int bunchCrossing_;
    // The orbit number
    int orbitNumber_;
    //  The LHC store number
    int storeNumber_;
  };

  bool
  isSameEvent(EventAuxiliary const& a, EventAuxiliary const& b);

  inline
  std::ostream&
  operator<<(std::ostream& os, const EventAuxiliary& p) {
    p.write(os);
    return os;
  }

}

#endif