HepMcReaderTool.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
// HepMcReaderTool.h 
// Header file for class HepMcReaderTool
// Author: S.Binet<binet@cern.ch>
#ifndef MCPARTICLETOOLS_HEPMCREADERTOOL_H 
#define MCPARTICLETOOLS_HEPMCREADERTOOL_H 1
 
// STL includes
#include <string>
 
// FrameWork includes
#include "GaudiKernel/ServiceHandle.h"
#include "AthenaBaseComps/AthAlgTool.h"
 
// McParticleKernel includes
#include "TruthIO/IIOHepMcTool.h"
 
// Forward declaration
#include "AtlasHepMC/GenEvent_fwd.h"
#include "AtlasHepMC/IO_BaseClass.h"
#ifdef HEPMC3
#include "HepMC3/Reader.h"
#include "HepMC3/ReaderAsciiHepMC2.h"
#endif 
 
class HepMcReaderTool : public extends<AthAlgTool, IIOHepMcTool>
{ 

  // Public methods: 
 public: 
 
  // Copy constructor: 

  HepMcReaderTool( const std::string& type, const std::string& name,  const IInterface* parent );

  virtual ~HepMcReaderTool(); 
 
  // Athena algorithm's Hooks
  StatusCode  initialize();
  StatusCode  execute();
  StatusCode  finalize();

  // Non-const methods: 

  StatusCode read( HepMC::GenEvent* evt );

  // Protected methods: 
 protected: 

  HepMcReaderTool();

  void setupFrontend( Gaudi::Details::PropertyBase& ioFrontendURL );

  // Protected data: 
 protected: 

  StringProperty m_ioFrontendURL;

  StringProperty m_mcEventsOutputName;

#ifdef HEPMC3
  HepMC3::Reader* m_ioFrontend;
#else 
  HepMC::IO_BaseClass* m_ioFrontend;
#endif
 
}; 
#endif //> MCPARTICLETOOLS_HEPMCREADERTOOL_H