CountHepMC.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef XAOD_ANALYSIS
 
#ifndef EVGENPRODTOOLS_COUNTHEPMC_H
#define EVGENPRODTOOLS_COUNTHEPMC_H
 
#include "GeneratorModules/GenBase.h"
#include "xAODEventInfo/EventInfo.h"
#include "StoreGate/ReadDecorHandleKey.h"
#include "GaudiKernel/IIncidentListener.h"
 
#include <cstdint>

 
class CountHepMC : public GenBase,
                   public virtual IIncidentListener {
public:
 
  CountHepMC(const std::string& name, ISvcLocator* pSvcLocator);
 
  virtual StatusCode initialize() override;
  virtual StatusCode execute(const EventContext& ctx) override;
  virtual StatusCode finalize() override;
 
  virtual void handle(const Incident& inc) override;
 
private:
 
  ServiceHandle< StoreGateSvc > m_metaDataStore{
    "StoreGateSvc/MetaDataStore", name()};
  uint64_t m_nPass{0};
  uint64_t m_nCount;
 
  uint64_t m_firstEv;
  uint32_t m_newRunNumber;
 
  bool m_corHepMC;
  bool m_corEvtID;
  bool m_corRunNumber;
  bool m_copyRunNumber;
  std::string m_inputKeyName;
 
  SG::ReadHandleKey<xAOD::EventInfo>  m_inputEvtInfoKey { this, "InputEventInfo",  "TMPEvtInfo", "ReadHandleKey for Input xAOD::EventInfo" };
  SG::WriteHandleKey<xAOD::EventInfo> m_outputEvtInfoKey{ this, "OutputEventInfo", "EventInfo", "WriteHandleKey for Output xAOD::EventInfo" };
 
  SG::ReadDecorHandleKey<xAOD::EventInfo> m_mcWeightsKey {this, "mcEventWeightsKey", m_inputEvtInfoKey, "mcEventWeights", "Decoration for MC Event Weights"};
 
};
 
 
#endif
 
#endif