ItemConnectivitySynchronizer.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
//-----------------------------------------------------------------------------
/*---------------------------------------------------------------------------*/
/* ItemConnectivitySynchronizer.h                              (C) 2000-2021 */
/*                                                                           */
/* Synchronization of connectivities.                                        */
/*---------------------------------------------------------------------------*/
#ifndef ARCANE_DOF_CONNECTIVITYSYNCHRONIZER_H
#define ARCANE_DOF_CONNECTIVITYSYNCHRONIZER_H
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
#include "arcane/core/IItemConnectivity.h"
#include "arcane/core/IItemConnectivitySynchronizer.h"
 
#include "arcane/mesh/ItemConnectivity.h"
#include "arcane/mesh/ExtraGhostItemsManager.h"
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
namespace Arcane
{
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
class IItemConnectivityGhostPolicy;
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
class ARCANE_MESH_EXPORT ItemConnectivitySynchronizer
: public IItemConnectivitySynchronizer
, public IExtraGhostItemsBuilder
, public mesh::IExtraGhostItemsAdder
{
 public:

  ItemConnectivitySynchronizer(IItemConnectivity* connectivity,
                               IItemConnectivityGhostPolicy* ghost_policy);
 
 public:
 
  /*---------------------------------------------------------------------------*/

 
  void synchronize();
  IItemConnectivity* getConnectivity() { return m_connectivity; }
 
  /*---------------------------------------------------------------------------*/
 
  void computeExtraItemsToSend();
  IntegerConstArrayView extraItemsToSend(Integer sid) const { return m_data_to_send[sid]; }
 
  /*---------------------------------------------------------------------------*/
 
  void serializeGhostItems(ISerializer* buffer, Int32ConstArrayView ghost_item_lids);
  void addExtraGhostItems(ISerializer* buffer);
  void updateSynchronizationInfo() { m_connectivity->targetFamily()->computeSynchronizeInfos(); }
  [[deprecated("Y2021: Do not use this method. Try to get 'ISubDomain' from another way")]]
  ISubDomain* subDomain();
  IItemFamily* itemFamily() { return m_connectivity->targetFamily(); }
 
 private:
 
  IItemConnectivity* m_connectivity;
  IItemConnectivityGhostPolicy* m_ghost_policy;
  IParallelMng* m_parallel_mng;
  SharedArray<Int32SharedArray> m_data_to_send;
  SharedArray<std::set<Int64>> m_added_ghost;
 
  void _removeDuplicatedValues(Int64SharedArray& shared_item_uids,
                               IntegerSharedArray& owners);
  void _getItemToSend(Int32SharedArray& shared_items,
                      Int32SharedArray& shared_items_connected_items,
                      const Integer rank);
};
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
} // End namespace Arcane
 
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/*---------------------------------------------------------------------------*/
 
#endif