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mfem/fem/fmsdatacollection.hpp
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// Copyright (c) 2010-2025, Lawrence Livermore National Security, LLC. Produced
// at the Lawrence Livermore National Laboratory. All Rights reserved. See files
// LICENSE and NOTICE for details. LLNL-CODE-806117.
//
// This file is part of the MFEM library. For more information and source code
// availability visit https://mfem.org.
//
// MFEM is free software; you can redistribute it and/or modify it under the
// terms of the BSD-3 license. We welcome feedback and contributions, see file
// CONTRIBUTING.md for details.
#ifndef MFEM_FMSDATACOLLECTION
#define MFEM_FMSDATACOLLECTION
#include "../config/config.hpp"
#ifdef MFEM_USE_FMS
#include "datacollection.hpp"
#include <fms.h>
namespace mfem
{
/** @brief Data collection that uses FMS. */
/** FMSDataCollection lets MFEM read/write data using FMS.
For more information, see:
- FMS project, https://ceed.exascaleproject.org/fms/
*/
/// Data collection with FMS I/O routines
class FMSDataCollection : public DataCollection
{
protected:
// file name helpers
/// Returns file name for the current cycle
std::string RootFileName();
// holds currently active i/o protocol
std::string fms_protocol;
public:
/// Constructor. The collection name is used when saving the data.
/** If @a mesh is NULL, then the mesh can be set later by calling either
SetMesh() or Load(). The latter works only in serial. */
FMSDataCollection(const std::string& collection_name,
Mesh *mesh = NULL);
#ifdef MFEM_USE_MPI
/// Construct a parallel FMSDataCollection.
FMSDataCollection(MPI_Comm comm, const std::string& collection_name,
Mesh *mesh = NULL);
#endif
/// We will delete the mesh and fields if we own them
virtual ~FMSDataCollection();
/// Set the FMS relay i/o protocol to use
/** Supported options: ascii (default), json, yaml, hdf5 */
void SetProtocol(const std::string &protocol);
/// Save the collection and a FMS blueprint root file
void Save() override;
/// Load the collection based blueprint data
void Load(int cycle = 0) override;
};
} // namespace mfem
#endif
#endif