/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/RecoVertex/KalmanVertexFit/interface/KalmanVertexTrackCompatibilityEstimator.h

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#ifndef KalmanVertexTrackCompatibilityEstimator_H
#define KalmanVertexTrackCompatibilityEstimator_H


#include "RecoVertex/VertexPrimitives/interface/VertexTrackCompatibilityEstimator.h"
//#include "TrackingTools/PatternTools/interface/TSCPBuilderNoMaterial.h"
#include "RecoVertex/VertexPrimitives/interface/VertexTrack.h"
#include "RecoVertex/VertexPrimitives/interface/CachingVertex.h"
#include "RecoVertex/KalmanVertexFit/interface/KalmanVertexUpdator.h"
#include "RecoVertex/KalmanVertexFit/interface/KalmanVertexTrackUpdator.h"
#include "RecoVertex/VertexTools/interface/VertexTrackFactory.h"
#include "RecoVertex/KalmanVertexFit/interface/KVFHelper.h"

template <unsigned int N>
class KalmanVertexTrackCompatibilityEstimator : public VertexTrackCompatibilityEstimator<N>
{

public:

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

  KalmanVertexTrackCompatibilityEstimator(){}

  virtual ~KalmanVertexTrackCompatibilityEstimator(){}

  virtual BDpair estimate(const CachingVertex<N> & vrt, const RefCountedVertexTrack track,
                          unsigned int hint=UINT_MAX) const;

  virtual BDpair estimate(const CachingVertex<N> & v, 
                          const RefCountedLinearizedTrackState track,
                          unsigned int hint=UINT_MAX) const;

  virtual BDpair estimate(const reco::Vertex & vertex, 
                         const reco::TransientTrack & track) const;

  virtual KalmanVertexTrackCompatibilityEstimator<N> * clone() const
  {
    return new KalmanVertexTrackCompatibilityEstimator(* this);
  }


private:

  BDpair estimateFittedTrack(const CachingVertex<N> & v, const RefCountedVertexTrack track) const;
  BDpair estimateNFittedTrack(const CachingVertex<N> & v, const RefCountedVertexTrack track) const;  
  BDpair estimateDifference(const CachingVertex<N> & more, const CachingVertex<N> & less, 
                                                       const RefCountedVertexTrack track) const;
  KalmanVertexUpdator<N> updator;
  KalmanVertexTrackUpdator<N> trackUpdator;
  VertexTrackFactory<N> vTrackFactory;
  KVFHelper<N> helper;

};

#endif