subdomain_partitioner.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2024 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



#ifndef LIBMESH_SUBDOMAIN_PARTITIONER_H
#define LIBMESH_SUBDOMAIN_PARTITIONER_H

// Local Includes
#include "libmesh/partitioner.h"

// C++ Includes
#include <memory>

namespace libMesh
{

class SubdomainPartitioner : public Partitioner
{
public:

  SubdomainPartitioner ();
  SubdomainPartitioner (const SubdomainPartitioner & other);

  SubdomainPartitioner & operator= (const SubdomainPartitioner &) = delete;

  SubdomainPartitioner (SubdomainPartitioner &&) = default;
  SubdomainPartitioner & operator= (SubdomainPartitioner &&) = default;
  virtual ~SubdomainPartitioner() = default;

  virtual PartitionerType type () const override;

  virtual std::unique_ptr<Partitioner> clone () const override
  {
    return std::make_unique<SubdomainPartitioner>(*this);
  }

  std::vector<std::set<subdomain_id_type>> chunks;

  std::unique_ptr<Partitioner> & internal_partitioner() { return _internal_partitioner; }

protected:
  std::unique_ptr<Partitioner> _internal_partitioner;

  virtual void _do_partition (MeshBase & mesh,
                              const unsigned int n) override;
};

} // namespace libMesh

#endif  // LIBMESH_SUBDOMAIN_PARTITIONER_H