GhostingUserObject.h

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//* This file is part of the MOOSE framework
//* https://www.mooseframework.org
//*
//* 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 "GeneralUserObject.h"
 
#include "libmesh/ghosting_functor.h"
 
#include <unordered_map>
 
// Forward Declarations
class GhostingUserObject;
class MooseMesh;
class NonlinearSystemBase;
 
template <>
InputParameters validParams<GhostingUserObject>();
 
class GhostingUserObject : public GeneralUserObject
{
public:
  static InputParameters validParams();
 
  GhostingUserObject(const InputParameters & parameters);
 
  virtual void initialSetup() override;
 
  virtual void initialize() override {}
  virtual void execute() override {}
  virtual void finalize() override {}
 
  virtual void meshChanged() override;
 
  Real getElementalValue(const Elem * elem,
                         Moose::RelationshipManagerType rm_type,
                         processor_id_type pid) const;
 
private:
  std::vector<processor_id_type> _pids;
 
  std::vector<std::unordered_map<processor_id_type, libMesh::GhostingFunctor::map_type>> _maps;
 
  MooseMesh & _mesh;
  NonlinearSystemBase & _nl;
};