MSLayersKeeperX0AtEta.h

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#ifndef MSLayersKeeperX0AtEta_H
#define MSLayersKeeperX0AtEta_H

#include "MSLayersKeeper.h"
#include "FWCore/Framework/interface/EventSetup.h"
class SumX0AtEtaDataProvider;
class MSLayersKeeperX0Averaged;

class dso_hidden MSLayersKeeperX0AtEta final : public MSLayersKeeper {
public:
  MSLayersKeeperX0AtEta() : isInitialised(false) {}
  ~MSLayersKeeperX0AtEta() override {}
  void init(const edm::EventSetup &iSetup) override;
  const MSLayersAtAngle &layers(float cotTheta) const override;

private:
  float eta(int idxBin) const;
  int idxBin(float eta) const;
  static void setX0(std::vector<MSLayer> &, float eta, const SumX0AtEtaDataProvider &);

private:
  bool isInitialised;
  int theHalfNBins;
  float theDeltaEta;
  std::vector<MSLayersAtAngle> theLayersData;
  friend class MSLayersKeeperX0Averaged;
};

#endif