ParticleCellAssociation.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef REC_PARTICLECELLASSOCIATION_H
#define REC_PARTICLECELLASSOCIATION_H
 
#include "ParticleCaloExtension/ParticleCaloAssociation.h"
#include "ParticleCaloExtension/ParticleCellIntersection.h"
 
#include "CaloEvent/CaloCell.h"
#include "CaloEvent/CaloCellContainer.h"
 
#include <vector>
#include <algorithm>
 
namespace Rec {
  
  class ParticleCellAssociation : public ParticleCaloAssociation<const CaloCell*> {
  public:
    typedef std::vector< std::pair<const CaloCell*,ParticleCellIntersection*> > CellIntersections;
    
    ParticleCellAssociation( const Trk::CaloExtension* caloExtension, Data&& data, float coneSize, 
                             const CellIntersections&& intersections, const CaloCellContainer* container=0 );

    virtual ~ParticleCellAssociation();

    const CellIntersections& cellIntersections() const { return m_cellIntersections; }

    const ParticleCellIntersection* cellIntersection( const CaloCell& cell ) const;

    const CaloCellContainer* container() const;
 
  private:
    ParticleCellAssociation(const ParticleCellAssociation& ) = delete;
    const ParticleCellAssociation& operator=(const ParticleCellAssociation& ) = delete;

    CellIntersections m_cellIntersections;

    const CaloCellContainer* m_container;
 
  };
  
  inline const ParticleCellIntersection* ParticleCellAssociation::cellIntersection( const CaloCell& cell ) const {
    auto pos = std::find_if( m_cellIntersections.begin(), m_cellIntersections.end(), 
                             [&]( const std::pair<const CaloCell*,ParticleCellIntersection*>& entry ){
                               return entry.first == &cell;
                             });
    if( pos != m_cellIntersections.end() ) return pos->second;
    return 0;
  }
 
  inline const CaloCellContainer* ParticleCellAssociation::container() const {
    return m_container;
  }
                                                
}
 
#endif