PorousFlowConnectedNodes.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 "Moose.h"
#include "MooseTypes.h"

class PorousFlowConnectedNodes
{
public:
  PorousFlowConnectedNodes();

  void clear();

  void addGlobalNode(dof_id_type global_node_ID);

  void finalizeAddingGlobalNodes();

  std::size_t numNodes() const;

  dof_id_type globalID(dof_id_type sequential_node_ID) const;

  dof_id_type sequentialID(dof_id_type global_node_ID) const;

  const std::vector<dof_id_type> & globalIDs() const;

  void addConnection(dof_id_type global_node_from, dof_id_type global_node_to);

  void finalizeAddingConnections();

  const std::vector<dof_id_type> &
  sequentialConnectionsToGlobalID(dof_id_type global_node_ID) const;

  const std::vector<dof_id_type> &
  sequentialConnectionsToSequentialID(dof_id_type sequential_node_ID) const;

  const std::vector<dof_id_type> & globalConnectionsToGlobalID(dof_id_type global_node_ID) const;

  const std::vector<dof_id_type> &
  globalConnectionsToSequentialID(dof_id_type sequential_node_ID) const;

  unsigned indexOfGlobalConnection(dof_id_type global_node_ID_from,
                                   dof_id_type global_node_ID_to) const;

  unsigned indexOfSequentialConnection(dof_id_type sequential_node_ID_from,
                                       dof_id_type sequential_node_ID_to) const;

  std::size_t sizeSequential() const;

private:
  bool _still_adding_global_nodes;
  dof_id_type _min_global_id;
  dof_id_type _max_global_id;
  std::set<dof_id_type> _set_of_global_ids;
  std::vector<dof_id_type> _global_id;
  std::vector<dof_id_type> _sequential_id;

  bool _still_adding_connections;
  std::vector<std::set<dof_id_type>> _neighbor_sets;
  std::vector<std::vector<dof_id_type>> _sequential_neighbors;
  std::vector<std::vector<dof_id_type>> _global_neighbors;
};