BlockWeightedPartitioner.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 "PetscExternalPartitioner.h"

class BlockWeightedPartitioner : public PetscExternalPartitioner
{
public:
  static InputParameters validParams();

  BlockWeightedPartitioner(const InputParameters & params);

  virtual std::unique_ptr<Partitioner> clone() const override;

  virtual dof_id_type computeElementWeight(Elem & elm) override;

  void initialize(MeshBase & mesh) override;

private:
  const std::vector<SubdomainName> & _blocks;
  // Block weights
  const std::vector<dof_id_type> & _weights;

  std::unordered_map<SubdomainID, dof_id_type> _blocks_to_weights;
};