JetSignalVertexCompatibilityAlgo.h

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#ifndef JetSignalVertexCompatibilityAlgo_h
#define JetSignalVertexCompatibilityAlgo_h

#include <vector>
#include <map>

#include "DataFormats/Common/interface/RefToBase.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"

#include "TrackingTools/TransientTrack/interface/TransientTrackBuilder.h"

namespace reco {

  class JetSignalVertexCompatibilityAlgo {
  public:
    JetSignalVertexCompatibilityAlgo(double cut, double temperature);
    ~JetSignalVertexCompatibilityAlgo();

    std::vector<float> compatibility(const reco::VertexCollection &vertices, const reco::TrackRefVector &tracks) const;

    void resetEvent(const TransientTrackBuilder *trackBuilder);

  private:
    template <typename T>
    struct RefToBaseLess {
      bool operator()(const edm::RefToBase<T> &r1, const edm::RefToBase<T> &r2) const;
    };

    typedef std::map<reco::TrackBaseRef, reco::TransientTrack, RefToBaseLess<reco::Track> > TransientTrackMap;

    const TransientTrack &convert(const reco::TrackBaseRef &track) const;
    double activation(double compat) const;

    static double trackVertexCompat(const reco::Vertex &vtx, const TransientTrack &track);

    mutable TransientTrackMap trackMap;
    const TransientTrackBuilder *trackBuilder;

    const double cut;
    const double temperature;
  };

}  // namespace reco

#endif  // JetSignalVertexCompatibilityAlgo_h