DummyVertexFitter.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2020 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "Acts/EventData/TrackParameters.hpp"
#include "Acts/Utilities/Result.hpp"
#include "Acts/Vertexing/Vertex.hpp"
#include "Acts/Vertexing/VertexingOptions.hpp"

namespace Acts {

// Dummy track linearizer
class DummyTrackLinearizer;

template <typename input_track_t = BoundTrackParameters,
          typename linearizer_t = DummyTrackLinearizer>
class DummyVertexFitter {
 public:
  using InputTrack_t = input_track_t;
  using Linearizer_t = linearizer_t;
  using Propagator_t = void;

  // Do not allow an instance creation
  DummyVertexFitter() = delete;

  Result<Vertex<input_track_t>> fit(
      const std::vector<input_track_t>&, const linearizer_t&,
      const VertexingOptions<input_track_t>&) const;
};

}  // namespace Acts