SimHitInfoForLinks.h

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#ifndef SimTracker_Common_SimHitInfoForLinks
#define SimTracker_Common_SimHitInfoForLinks
 
#include "SimDataFormats/TrackingHit/interface/PSimHit.h"
#include <vector>
 
// A stripped down version of PSimHit used to save memory.
// Contains only the information needed to be make DigiSimLinks.
// Include the simHit's index in the source collection, collection name suffix
// index.
 
class SimHitInfoForLinks {
public:
  explicit SimHitInfoForLinks(PSimHit const *hitp, size_t hitindex, unsigned int tofbin)
      : eventId_(hitp->eventId()), trackIds_(1, hitp->trackId()), hitIndex_(hitindex), tofBin_(tofbin) {}
 
  const EncodedEventId &eventId() const { return eventId_; }
  const std::vector<unsigned int> &trackIds() const { return trackIds_; }
  std::vector<unsigned int> &trackIds() { return trackIds_; }  // needed ATM in phase2 digitizer
  unsigned int trackId() const { return trackIds_[0]; }
  size_t hitIndex() const { return hitIndex_; }
  unsigned int tofBin() const { return tofBin_; }
 
private:
  EncodedEventId eventId_;
  std::vector<unsigned int> trackIds_;
  size_t hitIndex_;
  unsigned int tofBin_;
};
#endif