/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/RecoEgamma/EgammaIsolationAlgos/interface/EgammaRecHitIsolation.h

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#ifndef EgammaIsolationProducers_EgammaRecHitIsolation_h
#define EgammaIsolationProducers_EgammaRecHitIsolation_h
//*****************************************************************************
// File:      EgammaRecHitIsolation.h
// ----------------------------------------------------------------------------
// OrigAuth:  Matthias Mozer, adapted from EgammaHcalIsolation by S. Harper
// Institute: IIHE-VUB, RAL
//=============================================================================
//*****************************************************************************

//C++ includes
#include <vector>
#include <functional>

//CMSSW includes
#include "FWCore/Framework/interface/ESHandle.h"
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/EgammaReco/interface/SuperCluster.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "RecoCaloTools/MetaCollections/interface/CaloRecHitMetaCollections.h"
#include "Geometry/CaloGeometry/interface/CaloSubdetectorGeometry.h"

#include "RecoLocalCalo/EcalRecAlgos/interface/EcalSeverityLevelAlgo.h"
#include "CondFormats/EcalObjects/interface/EcalChannelStatus.h"
#include "CondFormats/DataRecord/interface/EcalChannelStatusRcd.h"

class EgammaRecHitIsolation {
 public:
  
  //constructors
  EgammaRecHitIsolation (double extRadius,
                         double intRadius,
                         double etaSlice,
                         double etLow,
                         double eLow,
                         edm::ESHandle<CaloGeometry> ,
                         CaloRecHitMetaCollectionV* ,
                         const EcalSeverityLevelAlgo*,
                         DetId::Detector detector);
  
  double getEtSum(const reco::Candidate * emObject) const {return getSum_(emObject,true);}
  double getEnergySum(const reco::Candidate * emObject) const{ return  getSum_(emObject,false);}

  double getEtSum(const reco::SuperCluster* emObject ) const {return getSum_(emObject,true);}
  double getEnergySum(const reco::SuperCluster * emObject) const{ return  getSum_(emObject,false);}

  void setUseNumCrystals(bool b=true) { useNumCrystals_ = b; }
  void setVetoClustered(bool b=true) { vetoClustered_ = b; }
  void doSeverityChecks(const EcalRecHitCollection *const recHits,
                        const std::vector<int>& v) { 
    ecalBarHits_ = recHits; 
    severitiesexcl_.clear();
    severitiesexcl_.insert(severitiesexcl_.begin(), v.begin(), v.end());
    std::sort(severitiesexcl_.begin(), severitiesexcl_.end());
  }

  void doFlagChecks(const std::vector<int>& v) {
    flags_.clear();
    flags_.insert(flags_.begin(), v.begin(), v.end());
    std::sort(flags_.begin(), flags_.end() );
  }

  //destructor 
  ~EgammaRecHitIsolation() ;
  
 private:
  double getSum_(const reco::Candidate *, bool returnEt ) const;
  double getSum_(const reco::SuperCluster *, bool returnEt ) const;

  double extRadius_ ;
  double intRadius_ ;
  double etaSlice_;
  double etLow_ ;
  double eLow_ ;

  
  edm::ESHandle<CaloGeometry>  theCaloGeom_ ;
  CaloRecHitMetaCollectionV* caloHits_ ;
  const EcalSeverityLevelAlgo* sevLevel_;

  bool useNumCrystals_;
  bool vetoClustered_;
  const EcalRecHitCollection *ecalBarHits_;
  //const EcalChannelStatus *chStatus_;
  std::vector<int> severitiesexcl_;
  //int severityLevelCut_;
  //float severityRecHitThreshold_;
  //EcalSeverityLevelAlgo::SpikeId spId_;
  //float spIdThreshold_;
  std::vector<int> flags_;

  const CaloSubdetectorGeometry* subdet_[2]; // barrel+endcap
};

#endif