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GeneratorHepMC.h
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100 lines (81 loc) · 2.56 KB
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// Copyright CERN and copyright holders of ALICE O2. This software is
// distributed under the terms of the GNU General Public License v3 (GPL
// Version 3), copied verbatim in the file "COPYING".
//
// See http://alice-o2.web.cern.ch/license for full licensing information.
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
/// \author R+Preghenella - August 2017
#ifndef ALICEO2_EVENTGEN_GENERATORHEPMC_H_
#define ALICEO2_EVENTGEN_GENERATORHEPMC_H_
#include "Generators/Generator.h"
#include <fstream>
#ifdef GENERATORS_WITH_HEPMC3_DEPRECATED
namespace HepMC
{
class Reader;
class GenEvent;
class FourVector;
} // namespace HepMC
#else
namespace HepMC3
{
class Reader;
class GenEvent;
class FourVector;
} // namespace HepMC3
#endif
namespace o2
{
namespace eventgen
{
/*****************************************************************/
/*****************************************************************/
class GeneratorHepMC : public Generator
{
public:
/** default constructor **/
GeneratorHepMC();
/** constructor **/
GeneratorHepMC(const Char_t* name, const Char_t* title = "ALICEo2 HepMC Generator");
/** destructor **/
~GeneratorHepMC() override;
/** Initialize the generator if needed **/
Bool_t Init() override;
/** methods to override **/
Bool_t generateEvent() override;
Bool_t importParticles() override;
/** setters **/
void setVersion(Int_t val) { mVersion = val; };
void setFileName(std::string val) { mFileName = val; };
protected:
/** copy constructor **/
GeneratorHepMC(const GeneratorHepMC&);
/** operator= **/
GeneratorHepMC& operator=(const GeneratorHepMC&);
/** methods **/
#ifdef GENERATORS_WITH_HEPMC3_DEPRECATED
const HepMC::FourVector getBoostedVector(const HepMC::FourVector& vector, Double_t boost);
#else
const HepMC3::FourVector getBoostedVector(const HepMC3::FourVector& vector, Double_t boost);
#endif
/** HepMC interface **/
std::ifstream mStream; //!
std::string mFileName;
Int_t mVersion;
#ifdef GENERATORS_WITH_HEPMC3_DEPRECATED
HepMC::Reader* mReader; //!
HepMC::GenEvent* mEvent; //!
#else
HepMC3::Reader* mReader; //!
HepMC3::GenEvent* mEvent; //!
#endif
ClassDefOverride(GeneratorHepMC, 1);
}; /** class GeneratorHepMC **/
/*****************************************************************/
/*****************************************************************/
} // namespace eventgen
} // namespace o2
#endif /* ALICEO2_EVENTGEN_GENERATORHEPMC_H_ */