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//
// $Id: Lepjets_Event_Jet.h,v 1.1 2011/05/26 09:46:53 mseidel Exp $
//
// File: hitfit/Lepjets_Event_Jet.h
// Purpose: Represent a `jet' in a Lepjets_Event.
// Created: Jul, 2000, sss, based on run 1 mass analysis code.
//
// This is like Lepjets_Event_Jet, except that we store some
// additional information:
//
//   - svx tag flag
//   - slt tag flag
//   -   slt lepton 4-vector
//   -   slt lepton energy deposition
//
// CMSSW File      : interface/Lepjets_Event_Jet.h
// Original Author : Scott Stuart Snyder <snyder@bnl.gov> for D0
// Imported to CMSSW by Haryo Sumowidagdo <Suharyo.Sumowidagdo@cern.ch>
//


#ifndef HITFIT_LEPJETS_EVENT_JET_H
#define HITFIT_LEPJETS_EVENT_JET_H


#include "TopQuarkAnalysis/TopHitFit/interface/fourvec.h"
#include "TopQuarkAnalysis/TopHitFit/interface/Vector_Resolution.h"
#include "TopQuarkAnalysis/TopHitFit/interface/Lepjets_Event_Lep.h"
#include <iosfwd>


namespace hitfit {


enum Jet_Labels {
  isr_label = 0,
  lepb_label = 11,
  hadb_label = 12,
  hadw1_label = 13,
  hadw2_label = 14,
  higgs_label = 15,
  unknown_label = 20
};


class Lepjets_Event_Jet
  : public Lepjets_Event_Lep
//
// Purpose: Represent a `jet' in a Lepjets_Event.
//
{
public:
  // Constructor.
  Lepjets_Event_Jet (const Fourvec& p,
                     int type,
                     const Vector_Resolution& res,
                     bool svx_tag = false,
                     bool slt_tag = false,
                     const Fourvec& tag_lep = Fourvec(),
                     double slt_edep = 0);

  // Access the svx tag flag.
  bool svx_tag () const;

  bool& svx_tag ();

  // Access the slt tag flag.
  bool slt_tag () const;
  bool& slt_tag ();

  // Access the tag lepton four-momentum.
  Fourvec& tag_lep ();

  const Fourvec& tag_lep () const;

  // Access the tag lepton energy deposition.
  double slt_edep () const;
  double& slt_edep ();

  // Access the uncorrected jet energy.
  double e0 () const;

  double& e0 ();

  // Print the content of this object.
  std::ostream& dump (std::ostream& s, bool full = false) const;


private:
  // The object state.
  bool _svx_tag;

  bool _slt_tag;

  Fourvec _tag_lep;

  double _slt_edep;

  double _e0;
};


// Print this object.
std::ostream& operator<< (std::ostream& s, const Lepjets_Event_Jet& ev);

// Helper function to translate jet type from integer to char/string
char jetTypeChar(int type);

std::string jetTypeString(int type);

template<class T>
std::string
jetTypeString(std::vector<T> jet_types)
{


    std::ostringstream ret;

    for (size_t j = 0 ; j != jet_types.size() ; ++j) {
        ret << jetTypeChar((int) (jet_types[j]));
    }

    return ret.str();
}


} // namespace hitfit


#endif // not HITFIT_LEPJETS_EVENT_JET_H