Detector/interface/ISurfacesProvider.hpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 CERN for the benefit of the ACTS project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
0008
0009 #pragma once
0010
0011 #include "Acts/Geometry/GeometryContext.hpp"
0012
0013 #include <memory>
0014 #include <vector>
0015
0016 namespace Acts {
0017
0018 class Surface;
0019
0020 namespace Experimental {
0021
0022 /// @brief This is the interface for providing surfaces
0023 /// to the detector building process. These surfaces manly
0024 /// describe the sensitive detector surfaces, but also passive
0025 /// (i.e. material carrying) surfaces are considered.
0026 ///
0027 /// These could be prefilled, or created on demand when
0028 /// the detector is built (to increase memory locality)
0029 class ISurfacesProvider {
0030  public:
0031   virtual ~ISurfacesProvider() = default;
0032
0033   /// The virtual interface definition for detector surface providers
0034   ///
0035   /// @param gctx the geometry context at the creation of the internal structure
0036   ///
0037   /// @return a shared detector object
0038   virtual std::vector<std::shared_ptr<Surface>> surfaces(
0039       const GeometryContext& gctx) const = 0;
0040 };
0041
0042 }  // namespace Experimental
0043 }  // namespace Acts