RefittingCalibrator.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ACTSTRACKRECONSTRUCTION_REFITTINGCALIBRATOR_H
#define ACTSTRACKRECONSTRUCTION_REFITTINGCALIBRATOR_H
 
#include "Acts/EventData/MultiTrajectory.hpp"
#include "Acts/EventData/SourceLink.hpp"
#include "Acts/EventData/VectorMultiTrajectory.hpp"
#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Geometry/GeometryIdentifier.hpp"
#include "Acts/Surfaces/Surface.hpp"
#include "Acts/Utilities/CalibrationContext.hpp"
#include "ActsEvent/TrackContainer.h"
 
namespace ActsTrk::detail {
 
class RefittingCalibrator {
 public:
  using MutableTrackStateProxy =
      ActsTrk::MutableTrackStateBackend::TrackStateProxy;
  using ConstTrackStateProxy =
      ActsTrk::MutableTrackStateBackend::ConstTrackStateProxy;
 
  struct RefittingSourceLink {
 
    ActsTrk::TrackContainer::ConstTrackStateProxy state;
 
    RefittingSourceLink() = delete;
 
    RefittingSourceLink(
        const ActsTrk::TrackContainer::ConstTrackStateProxy& inputState)
        : state(inputState) {}
  };
 
  static const Acts::Surface* accessSurface(
      const Acts::SourceLink& sourceLink) {
    const auto& refittingSl = sourceLink.get<RefittingSourceLink>();
    return &refittingSl.state.referenceSurface();
  }
 
  void calibrate(const Acts::GeometryContext& gctx,
                 const Acts::CalibrationContext& cctx,
                 const Acts::SourceLink& sourceLink,
                 MutableTrackStateProxy trackState) const;
};
 
}  // namespace ActsTrk::detail
 
#endif  // ACTSTRACKRECONSTRUCTION_REFITTINGCALIBRATOR_H