RestartableDataIO.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "PerfGraphInterface.h"
 
#include "libmesh/parallel_object.h"
 
#include <vector>
#include <variant>
#include <filesystem>
 
class RestartableDataMap;
 
class RestartableDataIO : public PerfGraphInterface, public libMesh::ParallelObject
{
public:
  RestartableDataIO(MooseApp & app, RestartableDataMap & data);
  RestartableDataIO(MooseApp & app, std::vector<RestartableDataMap> & data);
 
  static const std::string & getRestartableExt();
  static const std::string & restartableDataFile();
  static const std::string & restartableHeaderFile();
 
  static std::filesystem::path restartableDataFolder(const std::filesystem::path & folder_base);
  static std::filesystem::path restartableDataFile(const std::filesystem::path & folder_base);
  static std::filesystem::path restartableHeaderFile(const std::filesystem::path & folder_base);
 
protected:
  RestartableDataMap & currentData(const THREAD_ID tid);
  std::size_t dataSize() const;
 
  const std::variant<RestartableDataMap *, std::vector<RestartableDataMap> *> _data;
 
  static const unsigned int CURRENT_BACKUP_FILE_VERSION;
  typedef int COMPARE_HASH_CODE_TYPE;
};