VertexFitter.h

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#ifndef _VertexFitter_H_
#define _VertexFitter_H_

#include "RecoVertex/VertexPrimitives/interface/CachingVertex.h"
#include "TrackingTools/TransientTrack/interface/TransientTrack.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"

#include <vector>

template <unsigned int N>
class VertexFitter {
public:
  VertexFitter() {}

  virtual ~VertexFitter() {}

  virtual CachingVertex<N> vertex(const std::vector<reco::TransientTrack>& tracks) const = 0;

  virtual CachingVertex<N> vertex(const std::vector<typename CachingVertex<N>::RefCountedVertexTrack>& tracks) const = 0;

  virtual CachingVertex<N> vertex(const std::vector<typename CachingVertex<N>::RefCountedVertexTrack>& tracks,
                                  const reco::BeamSpot& spot) const = 0;

  virtual CachingVertex<N> vertex(const std::vector<reco::TransientTrack>& tracks,
                                  const GlobalPoint& linPoint) const = 0;

  virtual CachingVertex<N> vertex(const std::vector<reco::TransientTrack>& tracks,
                                  const GlobalPoint& priorPos,
                                  const GlobalError& priorError) const = 0;

  virtual CachingVertex<N> vertex(const std::vector<reco::TransientTrack>& tracks,
                                  const reco::BeamSpot& beamSpot) const = 0;

  virtual CachingVertex<N> vertex(const std::vector<typename CachingVertex<N>::RefCountedVertexTrack>& tracks,
                                  const GlobalPoint& priorPos,
                                  const GlobalError& priorError) const = 0;

  //   virtual CachingVertex<N>
  //   vertex(const RefCountedVertexSeed vtxSeed) const = 0;

  virtual VertexFitter* clone() const = 0;
};

#endif