PositiveSideGhostTrackFitter.h

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#ifndef RecoBTag_PositiveSideGhostTrackFitter_h
#define RecoBTag_PositiveSideGhostTrackFitter_h

#include <memory>
#include <vector>

#include "DataFormats/GeometryVector/interface/GlobalPoint.h"

#include "RecoVertex/GhostTrackFitter/interface/GhostTrackFitter.h"

namespace reco {

class GhostTrackPredictioon;
class GhostTrackState;

class PositiveSideGhostTrackFitter : public GhostTrackFitter::FitterImpl {
    public:
    PositiveSideGhostTrackFitter(
            const GlobalPoint &origin,
            const GhostTrackFitter::FitterImpl &actualFitter) :
        origin_(origin), actualFitter_(actualFitter.clone()) {}
    ~PositiveSideGhostTrackFitter() override {}

    PositiveSideGhostTrackFitter(
                const PositiveSideGhostTrackFitter &orig) :
        origin_(orig.origin_),
        actualFitter_(orig.actualFitter_->clone()) {}

    GhostTrackPrediction fit(
            const GhostTrackFitter::PredictionUpdater &updater,
            const GhostTrackPrediction &prior,
            std::vector<GhostTrackState> &states,
            double &ndof, double &chi2) override;

    private:
    FitterImpl *clone() const override
    { return new PositiveSideGhostTrackFitter(*this); }

    GlobalPoint                 origin_;
    std::unique_ptr<GhostTrackFitter::FitterImpl>   actualFitter_;
};

}

#endif // RecoBTag_PositiveSideGhostTrackFitter_h