KinematicVertex.h

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#ifndef KinematicVertex_H
#define KinematicVertex_H

#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"
#include "RecoVertex/VertexPrimitives/interface/CachingVertex.h"
#include "RecoVertex/VertexPrimitives/interface/VertexState.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
class KinematicTree;

class KinematicVertex : public ReferenceCounted {
public:
  friend class KinematicTree;

  KinematicVertex();

  KinematicVertex(const VertexState state, float totalChiSq, float degreesOfFr);

  KinematicVertex(const VertexState state,
                  const ReferenceCountingPointer<KinematicVertex> prVertex,
                  float totalChiSq,
                  float degreesOfFr);

  KinematicVertex(const CachingVertex<6>& vertex);

  ~KinematicVertex() override;

  bool operator==(const KinematicVertex& other) const;

  bool operator==(const ReferenceCountingPointer<KinematicVertex> other) const;

  bool operator<(const KinematicVertex& other) const;
  bool vertexIsValid() const;

  KinematicTree* correspondingTree() const;

  ReferenceCountingPointer<KinematicVertex> vertexBeforeConstraint() const;

  VertexState vertexState() const;

  GlobalPoint position() const;

  GlobalError error() const;

  float chiSquared() const;

  float degreesOfFreedom() const;

  operator reco::Vertex();

private:
  void setTreePointer(KinematicTree* tr) const;

  //kinematic tree this
  //vertex belongs to (can be 0)
  mutable KinematicTree* tree;
  mutable bool vl;

  VertexState theState;
  // GlobalPoint theVertexPosition;
  // GlobalError theVPositionError;
  float theChiSquared;
  float theNDF;
  mutable ReferenceCountingPointer<KinematicVertex> pVertex;
};

#endif