ItemsExchangeInfo2.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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/* ItemsExchangeInfo2.h                                        (C) 2000-2024 */
/*                                                                           */
/* Information for exchanging entities and their characteristics.            */
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#ifndef ARCANE_MESH_ITEMSEXCHANGEINFO2_H
#define ARCANE_MESH_ITEMSEXCHANGEINFO2_H
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/*---------------------------------------------------------------------------*/
 
#include "arcane/utils/List.h"
#include "arcane/utils/TraceAccessor.h"
 
#include "arcane/core/VariableCollection.h"
#include "arcane/core/IItemFamilyExchanger.h"
#include "arcane/core/IItemFamilySerializeStep.h"
#include "arcane/core/ParallelExchangerOptions.h"
 
#include "arcane/mesh/MeshGlobal.h"
 
#include <set>
 
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namespace Arcane
{
class ItemInternal;
class IParallelExchanger;
class IItemFamilySerializer;
class IItemFamilySerializeStep;
} // namespace Arcane
 
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namespace Arcane::mesh
{
class ItemGroupsSerializer2;
class TiedInterfaceExchanger;
class ItemFamilyVariableSerializer;
 
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class ARCANE_MESH_EXPORT ItemsExchangeInfo2
: public TraceAccessor
, public IItemFamilyExchanger
{
 public:
 
  ItemsExchangeInfo2(IItemFamily* item_family);
  ~ItemsExchangeInfo2();
 
 public:
 
  void computeExchangeItems() override;
 
  void setExchangeItems(ConstArrayView<std::set<Int32>> items_to_send) override;

  bool computeExchangeInfos() override;

  void prepareToSend() override;
  void releaseBuffer() override;

  void readAndAllocItems() override;
  void readAndAllocSubMeshItems() override;
  void readAndAllocItemRelations() override;

  void readGroups() override;

  void readVariables() override;

  void removeSentItems() override;

  void processExchange() override;

  void finalizeExchange() override;
 
  IItemFamily* itemFamily() override { return m_item_family; }
 
  void setParallelExchangerOption(const ParallelExchangerOptions& options) override;
 
 public:
 
  void addSerializeStep(IItemFamilySerializeStep* step);
 
 private:
 
  IItemFamily* m_item_family;

  UniqueArray<SharedArray<Int32>> m_send_local_ids;

  UniqueArray<ItemGroupsSerializer2*> m_groups_serializers;

  UniqueArray<IItemFamily*> m_families_to_exchange;
 
  Ref<IParallelExchanger> m_exchanger;

  UniqueArray<SharedArray<Int32>> m_receive_local_ids;
 
  IItemFamilySerializer* m_family_serializer;
 
  UniqueArray<IItemFamilySerializeStep*> m_serialize_steps;
 
  ParallelExchangerOptions m_exchanger_option;
 
 private:
 
  inline void _addItemToSend(Int32 sub_domain_id, Item item);
  bool _computeExchangeInfos();
  void _applySerializeStep(IItemFamilySerializeStep::ePhase phase,
                           const ItemFamilySerializeArgs& args);
  void _applyDeserializePhase(IItemFamilySerializeStep::ePhase phase);
};
 
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} // namespace Arcane::mesh
 
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#endif