MagneticFieldAdapter.h

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// Copyright 2019-2026 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef ALICEO2_ACTS_MAGNETICFIELDADAPTER_H
#define ALICEO2_ACTS_MAGNETICFIELDADAPTER_H
 
#include "Acts/MagneticField/MagneticFieldProvider.hpp"
 
namespace o2::field
{
class MagneticField;
}
 
namespace o2::acts
{
 
class MagneticFieldAdapter : public Acts::MagneticFieldProvider
{
 public:
  MagneticFieldAdapter();
 
  explicit MagneticFieldAdapter(o2::field::MagneticField* field);
 
  Cache makeCache(const Acts::MagneticFieldContext& mctx) const final;
 
  Acts::Result<Acts::Vector3> getField(const Acts::Vector3& position, Cache& cache) const final;
 
  const o2::field::MagneticField* getO2Field() const { return mField; }
 
 private:
  struct CacheImpl {
  };
 
  o2::field::MagneticField* mField = nullptr;
};
 
} // namespace o2::acts
 
#endif // ALICEO2_ACTS_MAGNETICFIELDADAPTER_H