GhostLayerFromConnectivityComputer.h

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2022 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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/* GhostLayerFromConnectivityComputer.h                           (C) 2000-2015 */
/*                                                                              */
/* Implémentation d'une politique de création de fantômes pour une connectivité */
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#ifndef ARCANE_DOF_GHOSTLAYERFROMCONNECTIVITYCOMPUTER_H
#define ARCANE_DOF_GHOSTLAYERFROMCONNECTIVITYCOMPUTER_H
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#include "arcane/utils/ArrayView.h"
#include "arcane/utils/ITraceMng.h"
 
#include "arcane/ArcaneTypes.h"
#include "arcane/IExtraGhostItemsBuilder.h"
#include "arcane/IItemConnectivity.h"
 
#include "arcane/mesh/DoFFamily.h"
#include "arcane/mesh/ItemConnectivity.h"
#include "arcane/mesh/IItemConnectivityGhostPolicy.h"
 
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ARCANE_BEGIN_NAMESPACE
 
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class ARCANE_MESH_EXPORT GhostLayerFromConnectivityComputer
: public IItemConnectivityGhostPolicy
{
public:

  GhostLayerFromConnectivityComputer(IItemConnectivity* item_to_dofs);
 
  GhostLayerFromConnectivityComputer() : m_connectivity(NULL), m_trace_mng(NULL) {}

  virtual ~GhostLayerFromConnectivityComputer() {}
 
public:

  Int32ConstArrayView communicatingRanks();
  Int32ConstArrayView sharedItems(const Integer rank, const String& family_name);
  Int32ConstArrayView sharedItemsConnectedItems(const Integer rank, const String& family_name);
  void updateConnectivity(Int32ConstArrayView ghost_items, Int64ConstArrayView ghost_items_connected_items);
 
 
protected:
  IItemConnectivity* m_connectivity;
  ITraceMng* m_trace_mng;
  SharedArray<Int32SharedArray> m_shared_items;
  SharedArray<Int32SharedArray> m_shared_items_connected_items;
 
private:
 
  void _computeSharedItems();
};
 
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ARCANE_END_NAMESPACE
 
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#endif