/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/RecoVertex/VertexPrimitives/interface/VertexTrackCompatibilityEstimator.h

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#ifndef _VertexTrackCompatibilityEstimator_H
#define _VertexTrackCompatibilityEstimator_H

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

template <unsigned int N>
class VertexTrackCompatibilityEstimator {
 
public:

  typedef typename CachingVertex<N>::RefCountedVertexTrack RefCountedVertexTrack;
  typedef typename VertexTrack<N>::RefCountedLinearizedTrackState RefCountedLinearizedTrackState;
  typedef typename std::pair <bool, double> BDpair;

  VertexTrackCompatibilityEstimator(){}
  virtual ~VertexTrackCompatibilityEstimator(){}
  
  virtual BDpair estimate(const CachingVertex<N> & v, 
                         const RefCountedLinearizedTrackState track) const = 0;

  virtual BDpair estimate(const reco::Vertex & v, 
                         const reco::TransientTrack & track) const = 0;

  // obsolete ?
  virtual BDpair estimate(const CachingVertex<N> & v, 
                         const RefCountedVertexTrack track) const = 0;
  virtual VertexTrackCompatibilityEstimator<N> * clone() const = 0; 
  
};

#endif