Herwig7Interface.h

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#ifndef GeneratorInterface_Herwig7Interface_Herwig7Interface_h
#define GeneratorInterface_Herwig7Interface_Herwig7Interface_h
 
#include <memory>
#include <string>
 
#include <HepMC/GenEvent.h>
#include <HepMC/PdfInfo.h>
#include <HepMC/IO_BaseClass.h>
 
#include <ThePEG/Repository/EventGenerator.h>
#include <ThePEG/EventRecord/Event.h>
#include <ThePEG/Vectors/HepMCTraits.h>
 
#include "FWCore/ParameterSet/interface/ParameterSet.h"
 
#include "GeneratorInterface/Herwig7Interface/interface/RandomEngineGlue.h"
#include "GeneratorInterface/Herwig7Interface/interface/HerwigUIProvider.h"
 
namespace ThePEG {
 
  template <>
  struct HepMCTraits<HepMC::GenEvent> : public HepMCTraitsBase<HepMC::GenEvent,
                                                               HepMC::GenParticle,
                                                               HepMC::GenParticle *,
                                                               HepMC::GenVertex,
                                                               HepMC::GenVertex *,
                                                               HepMC::Polarization,
                                                               HepMC::PdfInfo> {};
 
}  // namespace ThePEG
 
namespace CLHEP {
  class HepRandomEngine;
}
 
class Herwig7Interface {
public:
  Herwig7Interface(const edm::ParameterSet &params);
  ~Herwig7Interface() noexcept;
 
  void setPEGRandomEngine(CLHEP::HepRandomEngine *);
 
  ThePEG::EGPtr eg_;
 
protected:
  void initRepository(const edm::ParameterSet &params);
  bool initGenerator();
  void flushRandomNumberGenerator();
 
  static std::auto_ptr<HepMC::GenEvent> convert(const ThePEG::EventPtr &event);
 
  static double pthat(const ThePEG::EventPtr &event);
 
  std::auto_ptr<HepMC::IO_BaseClass> iobc_;
 
  // HerwigUi contains settings piped to Herwig7
  std::shared_ptr<Herwig::HerwigUIProvider> HwUI_;
 
  void callHerwigGenerator();
 
  // The Inputfile ist created according to the parameter set
  void createInputFile(const edm::ParameterSet &params);
 
private:
  std::shared_ptr<ThePEG::RandomEngineGlue::Proxy> randomEngineGlueProxy_;
 
  const std::string dataLocation_;
  const std::string generator_;
  const std::string run_;
  // File name containing Herwig input config
  std::string dumpConfig_;
  const unsigned int skipEvents_;
  CLHEP::HepRandomEngine *randomEngine;
};
 
#endif  // GeneratorInterface_Herwig7Interface_Herwig7Interface_h