EquationSystemProblemOperator.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
 
#ifdef MOOSE_MFEM_ENABLED
 
#pragma once
 
#include "ProblemOperator.h"
#include "EquationSystemInterface.h"
 
namespace Moose::MFEM
{
class EquationSystemProblemOperator : public ProblemOperator, public EquationSystemInterface
{
public:
  EquationSystemProblemOperator(MFEMProblem & problem)
    : ProblemOperator(problem), _equation_system(_problem_data.eqn_system)
  {
  }
 
  virtual void SetGridFunctions() override;
  virtual void Solve() override;
 
  [[nodiscard]] virtual EquationSystem * GetEquationSystem() const override
  {
    mooseAssert(_equation_system, "No EquationSystem in EquationSystemProblemOperator.");
    return _equation_system.get();
  }
 
protected:
  void FormEquationSystemOperator();
 
private:
  std::shared_ptr<EquationSystem> _equation_system{nullptr};
};
 
} // namespace Moose::MFEM
 
#endif