/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/RecoVertex/KinematicFit/interface/FinalTreeBuilder.h

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#ifndef FinalTreeBuilder_H
#define FinalTreeBuilder_H

#include "RecoVertex/KinematicFitPrimitives/interface/RefCountedKinematicTree.h"
#include "RecoVertex/KinematicFitPrimitives/interface/KinematicVertexFactory.h"
#include "RecoVertex/KinematicFitPrimitives/interface/VirtualKinematicParticleFactory.h"
#include "RecoVertex/VertexPrimitives/interface/CachingVertex.h"
#include "RecoVertex/KinematicFitPrimitives/interface/KinematicRefittedTrackState.h"
#include "RecoVertex/KinematicFitPrimitives/interface/Matrices.h"

class FinalTreeBuilder{

public:
  FinalTreeBuilder();

  ~FinalTreeBuilder();

  RefCountedKinematicTree buildTree(const CachingVertex<6>& vtx,
                          std::vector<RefCountedKinematicParticle> input) const;

private:

 typedef ReferenceCountingPointer<VertexTrack<6> > RefCountedVertexTrack;
 typedef ReferenceCountingPointer<LinearizedTrackState<6> > RefCountedLinearizedTrackState;
 typedef ReferenceCountingPointer<RefittedTrackState<6> > RefCountedRefittedTrackState;

//internal calculation and helper methods
 AlgebraicMatrix momentumPart(const CachingVertex<6>& vtx,
                                     const AlgebraicVector7& par)const;

 KinematicVertexFactory * kvFactory;
 VirtualKinematicParticleFactory * pFactory;
};

#endif