ArtG4tkParticle.hh

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#ifndef artg4tk_DataProducts_G4DetectorHits_ArtG4tkParticle_hh
#define artg4tk_DataProducts_G4DetectorHits_ArtG4tkParticle_hh

#include "CLHEP/Vector/LorentzVector.h"

#include <string>

namespace artg4tk {

  class ArtG4tkParticle {

  public:
    ArtG4tkParticle();
    ArtG4tkParticle(const int, const CLHEP::HepLorentzVector&);
    ArtG4tkParticle(const int, const CLHEP::Hep3Vector&);
    ArtG4tkParticle(const ArtG4tkParticle&);
    ~ArtG4tkParticle() {}

    ArtG4tkParticle&
    operator=(const ArtG4tkParticle& other)
    {
      fPDG = other.fPDG;
      fMomentum = other.fMomentum;
      return *this;
    }

    void SetPDG(const int);
    void SetMomentum(const CLHEP::HepLorentzVector&);
    void SetMomentum(const CLHEP::Hep3Vector&);

    int
    GetPDG() const
    {
      return fPDG;
    }
    std::string GetName() const;
    const CLHEP::HepLorentzVector&
    GetMomentum() const
    {
      return fMomentum;
    }

    // Patch up dictionary generation.
    // NOTE(from GenParticle, by HW):
    // There is source in art::PtrVector that should be protected and gccxml trying to instantiate
    // it. Until that is fixed, we need to provide a an operator< or else the dictionary generation
    // fails. So we provide a bogus version here. This is never actually used but,if gccxml cannot
    // find the method, it quits.
    //
    bool
    operator<(const ArtG4tkParticle&) const
    {
      return true;
    }

  private:
    // data members
    //
    int fPDG;
    CLHEP::HepLorentzVector fMomentum;
  };

}

#endif /* artg4tk_DataProducts_G4DetectorHits_ArtG4tkParticle_hh */