SCT_ClusterOnTrack.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
// SCT_ClusterOnTrack.h, (c) ATLAS Detector software
 
#ifndef INDETRIO_ONTRACK_SCTCLUSTERONTRACK_H
#define INDETRIO_ONTRACK_SCTCLUSTERONTRACK_H
 
// Base classes
#include "InDetRIO_OnTrack/SiClusterOnTrack.h"
 
// for ElementLink to IdentifiableContainer SCT_ClusterContainer
#include "InDetPrepRawData/SCT_ClusterContainer.h"
#include "AthLinks/ElementLink.h"
 
 
class SCT_Cluster;
 
namespace Trk {
  class Surface;
  class LocalParameters;
  class TrkDetElementBase;
  class ITrkEventCnvTool;
}
 
namespace InDetDD {
   class SiDetectorElement;
}
 
typedef ElementLink<InDet::SCT_ClusterContainer> ElementLinkToIDCSCT_ClusterContainer;
 
namespace InDet{
 
  class SCT_ClusterOnTrack final : public SiClusterOnTrack {
 
    public:
      friend class  Trk::ITrkEventCnvTool;
      SCT_ClusterOnTrack();
      // copy constructor
      SCT_ClusterOnTrack( const SCT_ClusterOnTrack& rot) = default;
      // move constructor
      SCT_ClusterOnTrack( SCT_ClusterOnTrack&& rot) = default;
      SCT_ClusterOnTrack &operator=(const SCT_ClusterOnTrack &) = default;
      SCT_ClusterOnTrack &operator=(SCT_ClusterOnTrack &&) = default;
      virtual ~SCT_ClusterOnTrack() = default;
 
      SCT_ClusterOnTrack( const InDet::SCT_Cluster* RIO,
                          Trk::LocalParameters&& locpars,
                          Amg::MatrixX&& locerr,
                          const IdentifierHash& idDE,
                          bool isbroad=false);
 
      SCT_ClusterOnTrack( const InDet::SCT_Cluster* RIO,
                          Trk::LocalParameters&& locpars,
                          Amg::MatrixX&& locerr,
                          const IdentifierHash& idDE,
                          const Amg::Vector3D& globalPosition,
                          bool isbroad=false);
 
 
      /*
       * Constuctor used by P->T converter.
       * The P->T converter calls the
       * setValues method to complete the object
       * e.g set/reset the DetectorElement
       */
      SCT_ClusterOnTrack( const ElementLinkToIDCSCT_ClusterContainer& RIO,
                          const Trk::LocalParameters& locpars,
                          const Amg::MatrixX& locerr,
                          IdentifierHash idDE,
                          const Identifier& id,
                          bool isbroad,
                          double positionAlongStrip);
      virtual SCT_ClusterOnTrack* clone() const override final;
 
      virtual const Trk::Surface& associatedSurface() const override final;
 
      virtual bool rioType(Trk::RIO_OnTrackType::Type type) const override final
      {
        return (type == Trk::RIO_OnTrackType::SCTCluster);
      }
 
 
      virtual const InDet::SCT_Cluster* prepRawData() const override final;
 
    const ElementLinkToIDCSCT_ClusterContainer& prepRawDataLink() const;
 
 
      virtual const InDetDD::SiDetectorElement* detectorElement() const override final;
 
      virtual MsgStream&    dump( MsgStream& out ) const override final;
 
      virtual std::ostream& dump( std::ostream& out ) const override final;
 
      double positionAlongStrip() const;
 
    private:
      virtual void setValues(const Trk::TrkDetElementBase* detEl,
                             const Trk::PrepRawData* prd) override final;
 
      ElementLinkToIDCSCT_ClusterContainer m_rio;
      const InDetDD::SiDetectorElement* m_detEl;
 
      double m_positionAlongStrip;
  };
 
  inline SCT_ClusterOnTrack* SCT_ClusterOnTrack::clone() const
  {
    return new SCT_ClusterOnTrack(*this);
  }
 
  inline const SCT_Cluster* SCT_ClusterOnTrack::prepRawData() const
  {
    // somehow one has to ask first if it is valid ... otherwise it always returns 0 ...
    if (m_rio.isValid()) return m_rio.cachedElement();
    else return 0;
  }
 
  inline const ElementLinkToIDCSCT_ClusterContainer&
  SCT_ClusterOnTrack::prepRawDataLink() const
  {
    return m_rio;
  }
 
  inline const InDetDD::SiDetectorElement* SCT_ClusterOnTrack::detectorElement() const
  {
    return m_detEl;
  }
 
  inline double SCT_ClusterOnTrack::positionAlongStrip() const
  {
    return m_positionAlongStrip;
  }
 
 
}//end of namespace definitions
 
#endif // TRKRIO_ONTRACK_SICLUSTERONTRACK_H