HepMcWriterTool.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
// HepMcWriterTool.h 
// Header file for class HepMcWriterTool
// Author: S.Binet<binet@cern.ch>
#ifndef MCPARTICLETOOLS_HEPMCWRITERTOOL_H 
#define MCPARTICLETOOLS_HEPMCWRITERTOOL_H 
 
// 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_GenEvent.h"
class HepMcWriterTool : public extends<AthAlgTool, IIOHepMcTool>
{ 
 
 public: 

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

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

  StatusCode write( const HepMC::GenEvent* evt );
 
 protected: 

  HepMcWriterTool();

  void setupBackend( Gaudi::Details::PropertyBase& ioBackendURL );
 
 protected: 

  StringProperty m_ioBackendURL;

  StringProperty m_mcEventsName;

  std::shared_ptr<HepMC3::Writer> m_ioBackend{nullptr};
 
}; 
#endif //> MCPARTICLETOOLS_HEPMCWRITERTOOL_H