KeepChildrenTruthStrategy.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ISF_TOOLS_KEEPCHILDRENTRUTHSTRATEGY_H
#define ISF_TOOLS_KEEPCHILDRENTRUTHSTRATEGY_H 1
 
// stl includes
#include <set>
#include <vector>
 
// Athena includes
#include "AthenaBaseComps/AthAlgTool.h"
 
// ISF includes
#include "ISF_HepMC_Interfaces/ITruthStrategy.h"
 
namespace ISF {
  typedef std::vector<int>              VertexTypesVector;
  typedef std::set<int>                 VertexTypesSet;
  typedef std::vector<int>              PDGCodesVector;
  typedef std::set<int>                 PDGCodesSet;

  class KeepChildrenTruthStrategy final : public extends<AthAlgTool, ITruthStrategy> {
 
  public:
    KeepChildrenTruthStrategy( const std::string& t, const std::string& n, const IInterface* p );

    ~KeepChildrenTruthStrategy() = default;
 
    // Athena algtool's Hooks
    virtual StatusCode  initialize() override final;

    virtual bool pass( ITruthIncident& incident) const override final;

    virtual bool appliesToRegion(unsigned short) const override final;
 
  private:

    Gaudi::Property<VertexTypesVector> m_vertexTypesVector{this, "VertexTypes", 0};  
    VertexTypesSet m_vertexTypes{};        
    bool m_doVertexRangeCheck{false};
    Gaudi::Property<int> m_vertexTypeRangeLow{this, "VertexTypeRangeLow", 0};
    Gaudi::Property<int> m_vertexTypeRangeHigh{this, "VertexTypeRangeHigh", 0};
    unsigned m_vertexTypeRangeLength{0};
    Gaudi::Property<int>  m_passProcessCategory{this, "PassProcessCategory", 9};
    Gaudi::Property<bool> m_bsmParent{this, "BSMParent", false};             
    Gaudi::Property<PDGCodesVector> m_parentPdgCodesVector{this, "ParentPDGCodes", 0};  
    PDGCodesSet m_parentPdgCodes{};        
  };
 
}
 
#endif //> !ISF_TOOLS_KEEPCHILDRENTRUTHSTRATEGY_H