TTTrackTruthPair.h

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#ifndef SimDataFormats_Associations_TTrackTruthPair_h
#define SimDataFormats_Associations_TTrackTruthPair_h

#include "DataFormats/L1TrackTrigger/interface/TTTrack.h"
#include "DataFormats/L1TrackTrigger/interface/TTTypes.h"
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticleFwd.h"

//The goal of this class is to allow easier access in FWLite where references can be hard to get
//By storing a reference to the track and the tracking particle as well as the flags, it makes it much easier

template <typename T>
class TTTrackTruthPair {
public:
  struct StatusFlags {
    enum Status { IsGenuine = 0x1, IsLooselyGenuine = 0x2, IsCombinatoric = 0x4, IsUnknown = 0x8 };
  };

private:
  edm::Ref<std::vector<TTTrack<T> > > ttTrkRef_;
  edm::Ref<TrackingParticleCollection> trkPartRef_;
  char flags_;

public:
  TTTrackTruthPair() : flags_(0) {}
  TTTrackTruthPair(const edm::Ref<std::vector<TTTrack<T> > >& ttTrkRef,
                   const edm::Ref<TrackingParticleCollection>& trkPartRef,
                   int flags)
      : ttTrkRef_(ttTrkRef), trkPartRef_(trkPartRef), flags_(flags) {}

  edm::Ref<std::vector<TTTrack<T> > > ttTrk() const { return ttTrkRef_; }
  edm::Ref<TrackingParticleCollection> trkPart() const { return trkPartRef_; }
  int flags() const { return flags_; }
  bool isGenuine() const { return (flags_ & StatusFlags::IsGenuine) != 0; }
  bool isLooselyGenuine() const { return (flags_ & StatusFlags::IsLooselyGenuine) != 0; }
  bool isCombinatoric() const { return (flags_ & StatusFlags::IsCombinatoric) != 0; }
  bool isUnknown() const { return (flags_ & StatusFlags::IsUnknown) != 0; }
};

#endif