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