SiPileUpSignals.h

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#ifndef Tracker_SiPileUpSignals_h
#define Tracker_SiPileUpSignals_h

#include <map>
#include <vector>
#include "SimDataFormats/TrackingHit/interface/PSimHit.h"
#include "FWCore/Utilities/interface/Map.h"

class SimHit;
class SiPileUpSignals{ 
 public:
  // type used to describe the amplitude on a strip
  typedef float Amplitude;
  // associates to each strip a vector of amplitudes. 
  // That allows later to comput the fraction of the contribution of each simhit to the ADC value
  typedef std::map<int, Amplitude>  SignalMapType;
  typedef std::map<uint32_t, SignalMapType>  signalMaps;
  
  SiPileUpSignals() { reset(); }

  virtual ~SiPileUpSignals() { }
  
  virtual void add(uint32_t detID,
                   const std::vector<float>& locAmpl,
                   const size_t& firstChannelWithSignal, const size_t& lastChannelWithSignal);

  void reset(){ resetSignals(); }
  
  const SignalMapType* getSignal(uint32_t detID) const {
    auto where = signal_.find(detID);
    if(where == signal_.end()) {
      return 0;
    }
    return &where->second;
  }
  
 private:
  void resetSignals();
  signalMaps signal_;
};
#endif