MeshAccessor.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
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/* MeshAccessor.h                                              (C) 2000-2025 */
/*                                                                           */
/* Access to mesh information.                                               */
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#ifndef ARCANE_CORE_MESHACCESSOR_H
#define ARCANE_CORE_MESHACCESSOR_H
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#include "arcane/core/ItemTypes.h"
#include "arcane/core/VariableTypedef.h"
#include "arcane/core/MeshHandle.h"
 
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namespace Arcane
{
 
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class ISubDomain;
class IMesh;
 
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class ARCANE_CORE_EXPORT MeshAccessor
{
 public:
 
  ARCCORE_DEPRECATED_2020("Use constructor with MeshHande")
  MeshAccessor(ISubDomain* sd);
  MeshAccessor(IMesh* mesh);
  MeshAccessor(const MeshHandle& mesh_handle);
 
 public:

  Integer nbCell() const;
  Integer nbFace() const;
  Integer nbEdge() const;
  Integer nbNode() const;

  VariableNodeReal3& nodesCoordinates() const;

  NodeGroup allNodes() const;
  EdgeGroup allEdges() const;
  FaceGroup allFaces() const;
  CellGroup allCells() const;
  FaceGroup outerFaces() const;
  NodeGroup ownNodes() const;
  CellGroup ownCells() const;
  FaceGroup ownFaces() const;
  EdgeGroup ownEdges() const;
 
 public:
 
  inline IMesh* mesh() const { return m_mesh_handle.mesh(); }
  inline const MeshHandle& meshHandle() const { return m_mesh_handle; }
 
 private:
 
  MeshHandle m_mesh_handle;
};
 
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} // End namespace Arcane
 
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#endif