IMeshExchanger.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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/* IMeshExchanger.h                                            (C) 2000-2022 */
/*                                                                           */
/* Mesh exchange management between subdomains.                              */
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#ifndef ARCANE_IMESHEXCHANGER_H
#define ARCANE_IMESHEXCHANGER_H
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#include "arcane/utils/ArcaneGlobal.h"
 
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namespace Arcane
{
 
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class IPrimaryMesh;
class IItemFamily;
class IItemFamilyExchanger;
 
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class ARCANE_CORE_EXPORT IMeshExchanger
{
 public:

  enum class ePhase
  {
    Init = 0,
    ComputeInfos,
    ProcessExchange,
    RemoveItems,
    AllocateItems,
    UpdateItemGroups,
    UpdateVariables,
    Finalize,
    Ended
  };
 
 public:
 
  virtual ~IMeshExchanger() {} //<! Releases resources
 
 public:

  virtual bool computeExchangeInfos() = 0;

  virtual void processExchange() = 0;

  virtual void removeNeededItems() = 0;

  virtual void allocateReceivedItems() = 0;

  virtual void updateItemGroups() = 0;

  virtual void updateVariables() = 0;

  virtual void finalizeExchange() = 0;

  virtual IPrimaryMesh* mesh() const = 0;

  virtual IItemFamilyExchanger* findExchanger(IItemFamily* family) = 0;

  virtual ePhase phase() const = 0;
};
 
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} // End namespace Arcane
 
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#endif