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File indexing completed on 2025-01-18 09:59:35

0001 //----------------------------------*-C++-*----------------------------------//
0002 // Copyright 2023-2024 UT-Battelle, LLC, and other Celeritas developers.
0003 // See the top-level COPYRIGHT file for details.
0004 // SPDX-License-Identifier: (Apache-2.0 OR MIT)
0005 //---------------------------------------------------------------------------//
0006 //! \file geocel/ScopedGeantLogger.hh
0007 //---------------------------------------------------------------------------//
0008 #pragma once
0009 
0010 #include <memory>
0011 
0012 #include "corecel/Config.hh"
0013 
0014 #include "corecel/Macros.hh"
0015 
0016 class G4coutDestination;
0017 
0018 namespace celeritas
0019 {
0020 //---------------------------------------------------------------------------//
0021 /*!
0022  * Install a Geant output destination during this class's lifetime.
0023  *
0024  * Since the Geant4 output streams are thread-local, this class is as well.
0025  * Multiple geant loggers can be nested, and only the outermost on a given
0026  * thread will "own" the log destination.
0027  */
0028 class ScopedGeantLogger
0029 {
0030   public:
0031     // Construct exception handler
0032     ScopedGeantLogger();
0033 
0034     // Clear on destruction
0035     ~ScopedGeantLogger();
0036     //!@{
0037     //! Prevent copying and moving for RAII class
0038     CELER_DELETE_COPY_MOVE(ScopedGeantLogger);
0039     //!@}
0040 
0041   private:
0042 #if CELERITAS_USE_GEANT4
0043     std::unique_ptr<G4coutDestination> logger_;
0044 #endif
0045 };
0046 
0047 #if !CELERITAS_USE_GEANT4
0048 //!@{
0049 //! Do nothing if Geant4 is disabled (source file will not be compiled)
0050 inline ScopedGeantLogger::ScopedGeantLogger() {}
0051 inline ScopedGeantLogger::~ScopedGeantLogger() {}
0052 //!@}
0053 #endif
0054 
0055 //---------------------------------------------------------------------------//
0056 }  // namespace celeritas