ActsPlugins/Root/ITGeoIdentifierProvider.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 #include "ActsPlugins/Root/TGeoDetectorElement.hpp"
0013
0014 class TGeoNode;
0015
0016 namespace ActsPlugins {
0017
0018 /// @brief ITGeoIdentierProvider
0019 ///
0020 /// Interface class that provides an Identifier from a TGeoNode
0021 class ITGeoIdentifierProvider {
0022  public:
0023   /// Virtual destructor
0024   virtual ~ITGeoIdentifierProvider() = default;
0025
0026   /// Take a geometry context and a TGeoNode and provide an identifier
0027   ///
0028   /// @param gctx is a geometry context object
0029   /// @param tgnode is a TGeoNode that is translated
0030   /// @return The detector element identifier for the given TGeo node
0031   virtual TGeoDetectorElement::Identifier identify(
0032       const Acts::GeometryContext& gctx, const TGeoNode& tgnode) const = 0;
0033 };
0034
0035 }  // namespace ActsPlugins