IPrimaryMesh.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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/* IPrimaryMesh.h                                              (C) 2000-2025 */
/*                                                                           */
/* Interface for the geometry of a mesh.                                     */
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#ifndef ARCANE_CORE_IPRIMARYMESH_H
#define ARCANE_CORE_IPRIMARYMESH_H
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#include "arcane/core/ArcaneTypes.h"
#include "arcane/core/ItemTypes.h"
#include "arcane/core/VariableTypedef.h"
#include "arcane/core/IMesh.h"
 
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namespace Arcane
{
 
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class IParallelMng;
class IParticleExchanger;
class XmlNode;
class IMeshUtilities;
class IMeshModifier;
class Properties;
 
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//INFO: The complete documentation is in Mesh.dox
class IPrimaryMesh
: public IMesh
{
 public:
 
  virtual ~IPrimaryMesh() {} //<! Releases resources
 
 public:

  virtual VariableNodeReal3& nodesCoordinates() = 0;

  virtual void setDimension(Integer dim) = 0;

  virtual void reloadMesh() = 0;
 
  //NOTE: Complete documentation for this method is in Mesh.dox
  virtual void allocateCells(Integer nb_cell, Int64ConstArrayView cells_infos, bool one_alloc = true) = 0;

  virtual void endAllocate() = 0;

  virtual void deallocate() = 0;

  virtual IMeshInitialAllocator* initialAllocator() { return nullptr; }
 
 public:

  virtual VariableItemInt32& itemsNewOwner(eItemKind kind) = 0;

  virtual void exchangeItems() = 0;
 
 public:

  virtual void setOwnersFromCells() = 0;

  virtual void setMeshPartInfo(const MeshPartInfo& mpi) = 0;
};
 
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} // End namespace Arcane
 
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#endif