BeamEffectsAlg.h

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// Dear emacs, this is -*- C++ -*-
 
/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef BEAMEFFECTS_BEAMEFFECTSALG_H
#define BEAMEFFECTS_BEAMEFFECTSALG_H
 
// base class header
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
 
// Athena includes
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
#include "xAODEventInfo/EventInfo.h"
 
// Gaudi includes
#include "GaudiKernel/ToolHandle.h"
#include "HepMC_Interfaces/IGenEventManipulator.h"
 
// Forward declarations
class McEventCollection;
#include "AtlasHepMC/GenEvent_fwd.h"
namespace SimTesting {
  class BeamEffectsAlg_test;
}
 
namespace Simulation
{

  class BeamEffectsAlg : public AthReentrantAlgorithm
  {
 
    friend class SimTesting::BeamEffectsAlg_test;
 
  public:
 
    //** Constructor with parameters */
    BeamEffectsAlg( const std::string& name, ISvcLocator* pSvcLocator );

    virtual ~BeamEffectsAlg() = default;

    virtual StatusCode initialize() override final;

    virtual StatusCode execute(const EventContext& ctx) const override final;

    virtual bool isClonable() const override final { return true; }
 
  private:

    StatusCode patchSignalProcessVertex(HepMC::GenEvent& ge) const;
    SG::ReadHandleKey<McEventCollection> m_inputMcEventCollection{this, "InputMcEventCollection", "GEN_EVENT", "The name of the input McEventCollection"};
    SG::WriteHandleKey<McEventCollection> m_outputMcEventCollection{this, "OutputMcEventCollection", "BeamTruthEvent", "The name of the output McEventCollection"};
 
    // Dummy xAOD::EventInfo dependency for McEventCollection P->T conversion
    SG::ReadHandleKey<xAOD::EventInfo> m_eventInfoKey{this, "EventInfo", "EventInfo", "The name of the input xAOD::EventInfo"};

    ToolHandleArray<IGenEventManipulator> m_genEventManipulators{this, "GenEventManipulators", {},  "BeamEffectsAlg will send the read-in GenEvent to each individual IGenEventManipulator."};

    Gaudi::Property<bool> m_ISFRun{this, "ISFRun", false, "Temporary property so that we don't change the output in the initial switch to this code"};
 
  };
 
}
 
#endif // BEAMEFFECTS_BEAMEFFECTSALG_H