/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/DataFormats/JetReco/interface/PFJet.h

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#ifndef JetReco_PFJet_h
#define JetReco_PFJet_h

#include "DataFormats/JetReco/interface/Jet.h"
#include "DataFormats/ParticleFlowCandidate/interface/PFCandidateFwd.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"

namespace reco {
class PFJet : public Jet {
 public:
  struct Specific {
    Specific () :
       mChargedHadronEnergy (0),
       mNeutralHadronEnergy (0),
       mPhotonEnergy (0),
       mElectronEnergy (0),
       mMuonEnergy (0),
       mHFHadronEnergy (0),
       mHFEMEnergy (0),

       mChargedHadronMultiplicity (0),
       mNeutralHadronMultiplicity (0),
       mPhotonMultiplicity (0),
       mElectronMultiplicity (0),
       mMuonMultiplicity (0),
       mHFHadronMultiplicity (0),
       mHFEMMultiplicity (0),

       mChargedEmEnergy (0),
       mChargedMuEnergy (0),
       mNeutralEmEnergy (0),
       
       mChargedMultiplicity (0),
       mNeutralMultiplicity (0)
    {}
    float mChargedHadronEnergy;
    float mNeutralHadronEnergy;
    float mPhotonEnergy;
    float mElectronEnergy;
    float mMuonEnergy;
    float mHFHadronEnergy;
    float mHFEMEnergy;

    int mChargedHadronMultiplicity;
    int mNeutralHadronMultiplicity;
    int mPhotonMultiplicity;
    int mElectronMultiplicity;
    int mMuonMultiplicity;
    int mHFHadronMultiplicity;
    int mHFEMMultiplicity;

    //old (deprecated) data members
    //kept only for backwards compatibility:
    float mChargedEmEnergy;
    float mChargedMuEnergy;
    float mNeutralEmEnergy;
    int mChargedMultiplicity;
    int mNeutralMultiplicity;
 };
  
  PFJet() {}
  
  PFJet(const LorentzVector& fP4, const Point& fVertex, const Specific& fSpecific, 
          const Jet::Constituents& fConstituents);

  PFJet(const LorentzVector& fP4, const Point& fVertex, const Specific& fSpecific); 

  PFJet(const LorentzVector& fP4, const Specific& fSpecific, 
          const Jet::Constituents& fConstituents);

  
  virtual ~PFJet() {};

  float chargedHadronEnergy () const {return m_specific.mChargedHadronEnergy;}
  float  chargedHadronEnergyFraction () const {return chargedHadronEnergy () / energy ();}
  float neutralHadronEnergy () const {return m_specific.mNeutralHadronEnergy;}
  float neutralHadronEnergyFraction () const {return neutralHadronEnergy () / energy ();}
  float photonEnergy () const {return m_specific.mPhotonEnergy;}
  float photonEnergyFraction () const {return photonEnergy () / energy ();}
  float electronEnergy () const {return m_specific.mElectronEnergy;}
  float electronEnergyFraction () const {return electronEnergy () / energy ();}
  float muonEnergy () const {return m_specific.mMuonEnergy;}
  float muonEnergyFraction () const {return muonEnergy () / energy ();}
  float HFHadronEnergy () const {return m_specific.mHFHadronEnergy;}
  float HFHadronEnergyFraction () const {return HFHadronEnergy () / energy ();}
  float HFEMEnergy () const {return m_specific.mHFEMEnergy;}
  float HFEMEnergyFraction () const {return HFEMEnergy () / energy ();}

  int chargedHadronMultiplicity () const {return m_specific.mChargedHadronMultiplicity;}
  int neutralHadronMultiplicity () const {return m_specific.mNeutralHadronMultiplicity;}
  int photonMultiplicity () const {return m_specific.mPhotonMultiplicity;}
  int electronMultiplicity () const {return m_specific.mElectronMultiplicity;}
  int muonMultiplicity () const {return m_specific.mMuonMultiplicity;}
  int HFHadronMultiplicity () const {return m_specific.mHFHadronMultiplicity;}
  int HFEMMultiplicity () const {return m_specific.mHFEMMultiplicity;}

  float chargedEmEnergy () const {return m_specific.mChargedEmEnergy;}
  float chargedEmEnergyFraction () const {return chargedEmEnergy () / energy ();}
  float chargedMuEnergy () const {return m_specific.mChargedMuEnergy;}
  float chargedMuEnergyFraction () const {return chargedMuEnergy () / energy ();}
  float neutralEmEnergy () const {return m_specific.mNeutralEmEnergy;}
  float neutralEmEnergyFraction () const {return neutralEmEnergy () / energy ();}
  
  int chargedMultiplicity () const {return m_specific.mChargedMultiplicity;}
  int neutralMultiplicity () const {return m_specific.mNeutralMultiplicity;}


  virtual reco::PFCandidatePtr getPFConstituent (unsigned fIndex) const;

  virtual std::vector <reco::PFCandidatePtr> getPFConstituents () const;

  reco::TrackRefVector getTrackRefs() const; 
  
  // block accessors
  
  const Specific& getSpecific () const {return m_specific;}

  virtual PFJet* clone () const;

  virtual std::string print () const;


 private:
  virtual bool overlap( const Candidate & ) const;
  
  //Variables specific to to the PFJet class
  Specific m_specific;
};

// streamer
 std::ostream& operator<<(std::ostream& out, const reco::PFJet& jet);
}
// temporary fix before include_checcker runs globally
#include "DataFormats/JetReco/interface/PFJetCollection.h" //INCLUDECHECKER:SKIP 
#endif