PixelDigiSimLink.h

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#ifndef TRACKINGOBJECTS_PIXELDIGISIMLINK_H
#define TRACKINGOBJECTS_PIXELDIGISIMLINK_H

#include "boost/cstdint.hpp"
#include "SimDataFormats/EncodedEventId/interface/EncodedEventId.h"

//typedef std::pair<unsigned int ,unsigned int > PixelDigiSimLink;
class PixelDigiSimLink {
public:
  enum { LowTof, HighTof };

  PixelDigiSimLink(
      unsigned int ch, unsigned int tkId, unsigned int counter, unsigned int tofBin, EncodedEventId e, float a) {
    chan = ch;
    simTkId = tkId;
    CFpos = tofBin == LowTof ? counter & 0x7FFFFFFF : (counter & 0x7FFFFFFF) | 0x80000000;
    fract = a;
    eId = e;
  };
  PixelDigiSimLink(unsigned int ch, unsigned int tkId, EncodedEventId e, float a) {
    chan = ch;
    simTkId = tkId;
    CFpos = 0;
    fract = a;
    eId = e;
  };
  PixelDigiSimLink() : eId(0) {
    chan = 0;
    simTkId = 0;
    CFpos = 0;
    fract = 0;
  };
  ~PixelDigiSimLink(){};
  unsigned int channel() const { return chan; };
  unsigned int SimTrackId() const { return simTkId; };
  unsigned int CFposition() const { return CFpos & 0x7FFFFFFF; }
  unsigned int TofBin() const { return (CFpos & 0x80000000) == 0 ? LowTof : HighTof; }
  EncodedEventId eventId() const { return eId; }
  float fraction() const { return fract; };

  inline bool operator<(const PixelDigiSimLink& other) const { return fraction() < other.fraction(); }

private:
  unsigned int chan;
  unsigned int simTkId;
  uint32_t CFpos;  // position of the PSimHit in the CrossingFrame vector
                   // for the subdetector collection; bit 31 set if from the HighTof collection
  EncodedEventId eId;
  float fract;
};
#endif