CalibrationHitMerger.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef LARG4SD_CALIBRATIONHITMERGER_H
#define LARG4SD_CALIBRATIONHITMERGER_H 1
 
// STL includes
#include <set>
#include <string>
#include <vector>
 
// Framework includes
#include "AthenaBaseComps/AthAlgorithm.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
#include "CaloSimEvent/CaloCalibrationHitContainer.h"
 
namespace LArG4 {

  class CalibrationHitMerger final : public AthAlgorithm {
 
  public:
    CalibrationHitMerger( const std::string& name, ISvcLocator* pSvcLocator );

    virtual ~CalibrationHitMerger() = default;

    virtual StatusCode  initialize() override final;
    virtual StatusCode  execute()    override final;
 
  private:
    class LessHit {
    public:
      // Allow a lookup in a calibrationHits_t using a const pointer.
      using is_transparent = std::true_type;
      bool operator() ( const CaloCalibrationHit* p, const CaloCalibrationHit* q ) const
      {
        return p->Less(q);
      }
    };
    typedef std::set< CaloCalibrationHit*, LessHit >  calibrationHits_t;

    StatusCode initializeVarHandleKey( SG::VarHandleKey& varHandleKey ) const;
 
    SG::ReadHandleKeyArray<CaloCalibrationHitContainer> m_inputHits{this, "InputHits", {}, "Input collection ReadHandleKeys"};
 
    SG::WriteHandleKey<CaloCalibrationHitContainer> m_outputHits{this, "OutputHits", "", "Output collection WriteHandleKeys"};
  };
 
}
 
#endif //> !LARG4SD_CALIBRATIONHITMERGER_H