NearestNodeNumberUO.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 "NodalUserObject.h"

class NearestNodeNumberUO : public NodalUserObject
{
public:
  static InputParameters validParams();

  NearestNodeNumberUO(const InputParameters & parameters);

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

  dof_id_type getClosestNodeId() const;

  const Node * getClosestNode() const;

private:
  const processor_id_type _my_pid;

  const Point & _point;

  bool _node_found;

  Real _min_distance;

  const Node * _closest_node;

  dof_id_type _overall_best_id;
};