JetTracksAssociationExplicit.cc

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// Associate jets with tracks by simple "dR" criteria
// Fedor Ratnikov (UMd), Aug. 28, 2007

#include "RecoJets/JetAssociationAlgorithms/interface/JetTracksAssociationExplicit.h"

#include "DataFormats/JetReco/interface/PFJet.h"
#include "DataFormats/TrackReco/interface/Track.h"

JetTracksAssociationExplicit::JetTracksAssociationExplicit() {}

void JetTracksAssociationExplicit::produce(reco::JetTracksAssociation::Container* fAssociation,
                                           const std::vector<edm::RefToBase<reco::Jet> >& fJets,
                                           const std::vector<reco::TrackRef>& fTracks) const {
  for (unsigned j = 0; j < fJets.size(); ++j) {
    reco::PFJet const* pfJet = dynamic_cast<reco::PFJet const*>(&*(fJets[j]));
    if (pfJet != nullptr) {
      reco::TrackRefVector assoTracks = pfJet->getTrackRefs();
      reco::JetTracksAssociation::setValue(fAssociation, fJets[j], assoTracks);
    } else {
      throw cms::Exception("InvalidConfiguration")
          << "From JetTracksAssociationExplicit::produce: Only PFJets are currently supported for this module"
          << std::endl;
    }
  }
}