NEML2BatchIndexGenerator.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 "ElementUserObject.h"

#include <map>

class NEML2BatchIndexGenerator : public ElementUserObject
{
public:
  static InputParameters validParams();

  NEML2BatchIndexGenerator(const InputParameters & params);

  void initialize() override;
  void execute() override;
  void threadJoin(const UserObject &) override;
  void finalize() override;

  void meshChanged() override;

  std::size_t getBatchIndex() const { return _batch_index; }

  std::size_t getBatchIndex(dof_id_type elem_id) const;

protected:
  bool _outdated;

  std::size_t _batch_index;

  std::map<dof_id_type, std::size_t> _elem_to_batch_index;

  mutable std::pair<dof_id_type, std::size_t> _elem_to_batch_index_cache;
};