LowPtGsfElectronSCProducer.h

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#ifndef RecoEgamma_EgammaElectronProducers_LowPtGsfElectronSCProducer_h
#define RecoEgamma_EgammaElectronProducers_LowPtGsfElectronSCProducer_h

#include "DataFormats/ParticleFlowReco/interface/GsfPFRecTrack.h"
#include "DataFormats/ParticleFlowReco/interface/GsfPFRecTrackFwd.h"
#include "DataFormats/ParticleFlowReco/interface/PFCluster.h"
#include "DataFormats/ParticleFlowReco/interface/PFClusterFwd.h"
#include "DataFormats/ParticleFlowReco/interface/PFTrajectoryPoint.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/stream/EDProducer.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"

class LowPtGsfElectronSCProducer : public edm::stream::EDProducer<> {
  
 public:
  
  explicit LowPtGsfElectronSCProducer( const edm::ParameterSet& );

  ~LowPtGsfElectronSCProducer() override;

  void produce( edm::Event&, const edm::EventSetup& ) override;

  static void fillDescriptions( edm::ConfigurationDescriptions& );

 private:

  reco::PFClusterRef closestCluster( const reco::PFTrajectoryPoint& point,
                     const edm::Handle<reco::PFClusterCollection>& clusters,
                     std::vector<int>& matched );
  
  const edm::EDGetTokenT<reco::GsfPFRecTrackCollection> gsfPfRecTracks_;
  const edm::EDGetTokenT<reco::PFClusterCollection> ecalClusters_;
  const double dr2_;

};

#endif // RecoEgamma_EgammaElectronProducers_LowPtGsfElectronSCProducer_h