Basic2DGenericTopoClusterizer.h

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#ifndef __Basic2DGenericTopoClusterizer_H__
#define __Basic2DGenericTopoClusterizer_H__

#include "RecoParticleFlow/PFClusterProducer/interface/InitialClusteringStepBase.h"
#include "DataFormats/ParticleFlowReco/interface/PFRecHitFraction.h"

class Basic2DGenericTopoClusterizer : public InitialClusteringStepBase {
  typedef Basic2DGenericTopoClusterizer B2DGT;

public:
  Basic2DGenericTopoClusterizer(const edm::ParameterSet& conf, edm::ConsumesCollector& sumes)
      : InitialClusteringStepBase(conf, sumes), _useCornerCells(conf.getParameter<bool>("useCornerCells")) {}
  ~Basic2DGenericTopoClusterizer() override = default;
  Basic2DGenericTopoClusterizer(const B2DGT&) = delete;
  B2DGT& operator=(const B2DGT&) = delete;

  void buildClusters(const edm::Handle<reco::PFRecHitCollection>&,
                     const std::vector<bool>&,
                     const std::vector<bool>&,
                     reco::PFClusterCollection&) override;

private:
  const bool _useCornerCells;
  void buildTopoCluster(const edm::Handle<reco::PFRecHitCollection>&,
                        const std::vector<bool>&,  // masked rechits
                        unsigned int,              //present rechit
                        std::vector<bool>&,        // hit usage state
                        reco::PFCluster&);         // the topocluster
};

DEFINE_EDM_PLUGIN(InitialClusteringStepFactory, Basic2DGenericTopoClusterizer, "Basic2DGenericTopoClusterizer");

#endif