JetTracksAssociationDR.h

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// \class JetTracksAssociationDR
// Associate jets with tracks by simple "delta R" criteria
// Fedor Ratnikov (UMd)
 
#ifndef RecoJets_JetAssociationAlgorithms_JetTracksAssociationDR_h
#define RecoJets_JetAssociationAlgorithms_JetTracksAssociationDR_h
 
#include "DataFormats/JetReco/interface/Jet.h"
#include "DataFormats/JetReco/interface/JetTracksAssociation.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
 
class MagneticField;
class Propagator;
 
class JetTracksAssociationDR {
public:
  // ---------- Con(de)structors ----------
 
  explicit JetTracksAssociationDR(double dr_threshold);
 
  virtual ~JetTracksAssociationDR();
 
  // ---------- Typedefs ----------
 
  typedef reco::JetTracksAssociation::Container Association;
 
  typedef edm::Handle<edm::View<reco::Jet> > Jets;
 
  typedef edm::Handle<reco::TrackCollection> Tracks;
 
  // Jet reference
  typedef edm::RefToBase<reco::Jet> JetRef;
 
  // Collection of jet references
  typedef std::vector<JetRef> JetRefs;
 
  // Collection of track references
  typedef std::vector<reco::TrackRef> TrackRefs;
 
  // Track Quality
  typedef reco::TrackBase::TrackQuality TrackQuality;
 
  // ---------- Public interface ----------
 
  // Associate tracks to jets
  void associateTracksToJets(Association*, const JetRefs&, const TrackRefs&);
 
  virtual void associateTracksToJet(reco::TrackRefVector&, const reco::Jet&, const TrackRefs&) = 0;
 
  // Takes Handle as input and creates collection of edm::Refs
  static void createJetRefs(JetRefs&, const Jets&);
 
  // Takes Handle as input and creates collection of edm::Refs
  static void createTrackRefs(TrackRefs&, const Tracks&, const TrackQuality&);
 
protected:
  JetTracksAssociationDR() {}
 
  double mDeltaR2Threshold;
};
 
#endif  // RecoJets_JetAssociationAlgorithms_JetTracksAssociationDR_h