ShiftedJetProducerByMatchedObject.h

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#ifndef PhysicsTools_PatUtils_ShiftedJetProducerByMatchedObject_h
#define PhysicsTools_PatUtils_ShiftedJetProducerByMatchedObject_h
 
#include "FWCore/Framework/interface/stream/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
 
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/Candidate/interface/CandidateFwd.h"
 
#include <string>
#include <vector>
 
template <typename T>
class ShiftedJetProducerByMatchedObjectT : public edm::stream::EDProducer<> {
  typedef std::vector<T> JetCollection;
 
public:
  explicit ShiftedJetProducerByMatchedObjectT(const edm::ParameterSet&);
  ~ShiftedJetProducerByMatchedObjectT() override;
 
private:
  void produce(edm::Event&, const edm::EventSetup&) override;
 
  std::string moduleLabel_;
 
  edm::EDGetTokenT<JetCollection> srcJets_;
  edm::EDGetTokenT<edm::View<reco::Candidate> > srcUnshiftedObjects_;
  edm::EDGetTokenT<edm::View<reco::Candidate> > srcShiftedObjects_;
 
  double dRmatch_Jet_;
  double dRmatch_Object_;
 
  double dR2match_Jet_;
  double dR2match_Object_;
 
  struct objectEntryType {
    objectEntryType(const reco::Candidate::LorentzVector& shiftedObjectP4,
                    const reco::Candidate::LorentzVector& unshiftedObjectP4,
                    double dRmatch)
        : shiftedObjectP4_(shiftedObjectP4),
          unshiftedObjectP4_(unshiftedObjectP4),
          dRmatch_(dRmatch),
          isValidMatch_(false) {
      if (unshiftedObjectP4.energy() > 0.) {
        shift_ = (shiftedObjectP4.energy() / unshiftedObjectP4.energy()) - 1.;
        isValidMatch_ = true;
      }
    }
    ~objectEntryType() {}
    reco::Candidate::LorentzVector shiftedObjectP4_;
    reco::Candidate::LorentzVector unshiftedObjectP4_;
    double shift_;
    double dRmatch_;
    bool isValidMatch_;
  };
 
  std::vector<objectEntryType> objects_;
};
 
#endif