ActsStrawLayerBuilder.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ACTSGEOMETRY_ACTSSTRAWLAYERBUILDER_H
#define ACTSGEOMETRY_ACTSSTRAWLAYERBUILDER_H
 
 
// ATHENA
 
// PACKAGE
#include "ActsGeometry/ActsElementVector.h"
 
// ACTS
#include "Acts/Geometry/ILayerBuilder.hpp"
#include "Acts/Utilities/Logger.hpp"
 
#include <memory>
 
class TRT_ID;
 
namespace InDetDD {
  class TRT_DetectorManager;
}
 
 
class ActsDetectorElement;
 
namespace Acts {
class Surface;
class LayerCreator;
class GeometryContext;
}

class ActsStrawLayerBuilder : public Acts::ILayerBuilder
{
public:
  using ElementVector = ActsElementVector;
 
  struct Config
  {
    std::string                          configurationName = "undefined";
    const InDetDD::TRT_DetectorManager*   mng{};
    std::shared_ptr<const Acts::LayerCreator> layerCreator = nullptr;
    std::shared_ptr<ElementVector> elementStore;
    const TRT_ID* idHelper = nullptr;
  };

  ActsStrawLayerBuilder(const Config&           cfg,
                       std::unique_ptr<const Acts::Logger> logger
                       = Acts::getDefaultLogger("GMSLayBldr", Acts::Logging::INFO))
    : m_cfg (cfg),
      m_logger(std::move(logger))
  {
  }
 
  ~ActsStrawLayerBuilder() {}
 
  const Acts::LayerVector
  negativeLayers(const Acts::GeometryContext& gctx) const override;
 
  const Acts::LayerVector
  centralLayers(const Acts::GeometryContext& gctx) const override;
 
  const Acts::LayerVector
  positiveLayers(const Acts::GeometryContext& gctx) const override;
 
  const std::string&
  identification() const override
  {
    return m_cfg.configurationName;
  }
 
  const Acts::LayerVector
  endcapLayers(const Acts::GeometryContext& gctx, int side) const;
 
private:
  Config m_cfg;

  const Acts::Logger&
  logger() const
  {
    return *m_logger;
  }

  std::unique_ptr<const Acts::Logger> m_logger;
 
 
};
 
#endif