PythiaDecays.h

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#ifndef PythiaDecays_h
#define PythiaDecays_h

#include <memory>
#include <vector>

// TrajectoryManager does not compile when forward declaring P8RndmEngine
#include "GeneratorInterface/Pythia8Interface/interface/P8RndmEngine.h"

class ParticlePropagator;
class RawParticle;

namespace gen {
  class P8RndmEngine;
  typedef std::shared_ptr<P8RndmEngine> P8RndmEnginePtr;
}  // namespace gen

namespace CLHEP {
  class HepRandomEngine;
}

namespace Pythia8 {
  class Pythia;
}

typedef std::vector<RawParticle> DaughterParticleList;
typedef DaughterParticleList::const_iterator DaughterParticleIterator;

class PythiaDecays {
public:
  PythiaDecays();
  ~PythiaDecays();
  const DaughterParticleList& particleDaughters(ParticlePropagator& particle, CLHEP::HepRandomEngine*);

private:
  DaughterParticleList theList;
  std::unique_ptr<Pythia8::Pythia> decayer;
  gen::P8RndmEnginePtr p8RndmEngine;
};
#endif