PositionAtECalEntranceComputer.h

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#ifndef RecoTauTag_RecoTau_PositionAtECalEntranceComputer_h
#define RecoTauTag_RecoTau_PositionAtECalEntranceComputer_h

#include "FWCore/Framework/interface/EventSetup.h"
#include "DataFormats/Candidate/interface/Candidate.h"

class PositionAtECalEntranceComputer {
public:
  PositionAtECalEntranceComputer();
  ~PositionAtECalEntranceComputer();

  void beginEvent(const edm::EventSetup&);

  //To do: it seems to more practical to put this to the ES
  reco::Candidate::Point operator()(const reco::Candidate* particle, bool& success) const;

private:
  double bField_z_;
};

#endif  // RecoTauTag_RecoTau_PositionAtECalEntranceComputer_h