ParallelHDF5IOHandlerImpl.hpp

/* Copyright 2017-2021 Fabian Koller
 *
 * This file is part of openPMD-api.
 *
 * openPMD-api is free software: you can redistribute it and/or modify
 * it under the terms of of either the GNU General Public License or
 * the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * openPMD-api is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License and the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License
 * and the GNU Lesser General Public License along with openPMD-api.
 * If not, see <http://www.gnu.org/licenses/>.
 */
#pragma once
 
#include "openPMD/config.hpp"
#include "openPMD/IO/AbstractIOHandlerImpl.hpp"
 
#if openPMD_HAVE_MPI
#   include <mpi.h>
#   if openPMD_HAVE_HDF5
#       include "openPMD/IO/HDF5/HDF5IOHandlerImpl.hpp"
#       include <nlohmann/json.hpp>
#   endif
#endif
 
 
namespace openPMD
{
#if openPMD_HAVE_HDF5 && openPMD_HAVE_MPI
    class ParallelHDF5IOHandlerImpl : public HDF5IOHandlerImpl
    {
    public:
        ParallelHDF5IOHandlerImpl(
            AbstractIOHandler*, MPI_Comm, nlohmann::json config);
        ~ParallelHDF5IOHandlerImpl() override;
 
        MPI_Comm m_mpiComm;
        MPI_Info m_mpiInfo;
    }; // ParallelHDF5IOHandlerImpl
#else
    class ParallelHDF5IOHandlerImpl
    {
    }; // ParallelHDF5IOHandlerImpl
#endif
} // openPMD