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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"
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);       
 
                                                                
 virtual ~KinematicVertex();
 
 bool operator==(const KinematicVertex& other)const;                    
 
 bool operator==(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;
                                                                                
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

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