ClusteringUserObjectBase.h

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#pragma once

#include "GeneralUserObject.h"

class AuxiliarySystem;

/* Base class for clustering in cardinal. */
class ClusteringUserObjectBase : public GeneralUserObject
{

public:
  static InputParameters validParams();
  ClusteringUserObjectBase(const InputParameters & parameters);

  virtual void execute() override {};
  virtual void initialize() override;
  virtual void finalize() override {};

  virtual bool evaluate(libMesh::Elem * base_element, libMesh::Elem * neighbor_elem) const = 0;

protected:
  Real getMetricData(const libMesh::Elem * elem) const;

  libMesh::MeshBase & _mesh;

  const AuxVariableName _metric_variable_name;

  const MooseVariableBase & _metric_variable;

  AuxiliarySystem & _auxiliary_system;

  const libMesh::DofMap & _dof_map;

  const unsigned int _metric_variable_index;

  NumericVector<Real> & _serialized_metric_solution;
};