GsfVertexUpdator.h

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#ifndef GsfVertexUpdator_H
#define GsfVertexUpdator_H
 
#include "RecoVertex/VertexPrimitives/interface/VertexUpdator.h"
#include "RecoVertex/KalmanVertexFit/interface/KalmanVertexUpdator.h"
#include "RecoVertex/GaussianSumVertexFit/interface/GsfVertexWeightCalculator.h"
#include "RecoVertex/GaussianSumVertexFit/interface/GsfVertexMerger.h"
 
class GsfVertexUpdator : public VertexUpdator<5> {
public:
  typedef CachingVertex<5>::RefCountedVertexTrack RefCountedVertexTrack;
  typedef VertexTrack<5>::RefCountedLinearizedTrackState RefCountedLinearizedTrackState;
 
  GsfVertexUpdator(bool limit = false, const GsfVertexMerger* merger = nullptr);
  CachingVertex<5> add(const CachingVertex<5>& oldVertex, const RefCountedVertexTrack track) const override;
 
  CachingVertex<5> remove(const CachingVertex<5>& oldVertex, const RefCountedVertexTrack track) const override;
 
  VertexUpdator<5>* clone() const override { return new GsfVertexUpdator(*this); }
 
private:
  typedef std::vector<VertexState> VSC;
  typedef std::vector<RefCountedLinearizedTrackState> LTC;
  typedef std::pair<double, double> WeightChi2Pair;
  typedef std::pair<VertexState, WeightChi2Pair> VertexComponent;
  typedef std::pair<VertexState, double> VertexChi2Pair;
 
  VertexComponent createNewComponent(const VertexState& oldVertex,
                                     const RefCountedLinearizedTrackState linTrack,
                                     float weight,
                                     int sign) const;
 
  VertexChi2Pair assembleVertexComponents(const std::vector<VertexComponent>& newVertexComponents) const;
 
  bool limitComponents;
  DeepCopyPointerByClone<GsfVertexMerger> theMerger;
  KalmanVertexUpdator<5> kalmanVertexUpdator;
  GsfVertexWeightCalculator theWeightCalculator;
};
 
#endif