IOnBoundStateCalibratorTool.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
  */
#ifndef ACTSTOOLINTERFACES_IONBOUNDSTATECALIBRATORTOOL_H
#define ACTSTOOLINTERFACES_IONBOUNDSTATECALIBRATORTOOL_H
 
#include <GaudiKernel/IAlgTool.h>
 
#include "Acts/Geometry/GeometryContext.hpp"
#include "Acts/Utilities/CalibrationContext.hpp"
#include "Acts/Utilities/Delegate.hpp"
#include "Acts/EventData/BoundTrackParameters.hpp"
 
#include "xAODInDetMeasurement/PixelClusterContainer.h"
#include "xAODInDetMeasurement/StripClusterContainer.h"
#include "xAODInDetMeasurement/HGTDClusterContainer.h"
 
namespace ActsTrk {
 
   class ClusterCalibratorBase {
   public:
      virtual ~ClusterCalibratorBase() {}
   };

   template <typename cluster_t, std::size_t DIM>
   class OnBoundStateCalibratorBase : public ClusterCalibratorBase {
   public:
      using ClusterType = cluster_t;
      static constexpr std::size_t ClusterDIM = DIM;
      using Pos = xAOD::MeasVector<DIM>;
      using Cov = xAOD::MeasMatrix<DIM>;
      using Calibrator = Acts::Delegate<
         std::pair<Pos, Cov>(const Acts::GeometryContext&,
                             const Acts::CalibrationContext&,
                             const Acts::Surface&,
                             const cluster_t &,
                             const Acts::BoundTrackParameters &)>;

      virtual void connectCalibrator(Calibrator &calibrator) const =0;
   };

   template <typename cluster_t, std::size_t DIM>
   class IOnBoundStateCalibratorTool : virtual public IAlgTool {
   public:
      virtual std::unique_ptr<OnBoundStateCalibratorBase<cluster_t, DIM>> create(const EventContext &ctx) const = 0;

      virtual bool calibrateAfterMeasurementSelection() const =0;
   };
 
   namespace traits {
      template <typename T, std::size_t DIM>
      struct Calibrator {
         using ToolInterface = IOnBoundStateCalibratorTool<T,DIM>;
         // @TODO remove:
         //         using Calibrator = OnBoundStateCalibratorBase<T,DIM>;
      };
   }
 
} // namespace ActsTrk
 
#endif