VariableValueElementSubdomainModifier.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 "ElementSubdomainModifier.h"
 
class VariableValueElementSubdomainModifier : public ElementSubdomainModifier
{
public:
  static InputParameters validParams();
 
  VariableValueElementSubdomainModifier(const InputParameters & parameters);
 
protected:
  virtual SubdomainID computeSubdomainID() override;
 
private:
  const VariableValue & _v;
  // save the subdomain IDs that are requested but do not actually exist in the mesh
  std::unordered_set<SubdomainID> _void_sids;
  std::mutex _void_sids_mutex;
};