OneMeshItemAdder.cc

// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
//-----------------------------------------------------------------------------
// Copyright 2000-2024 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: Apache-2.0
//-----------------------------------------------------------------------------
/*---------------------------------------------------------------------------*/
/* OneMeshItemAdder.cc                                         (C) 2000-2024 */
/*                                                                           */
/* Ajout des entités une par une.                                            */
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
#include "arcane/mesh/OneMeshItemAdder.h"
 
#include "arcane/utils/NotSupportedException.h"
#include "arcane/utils/ValueConvert.h"
 
#include "arcane/core/MeshUtils.h"
#include "arcane/core/MeshToMeshTransposer.h"
#include "arcane/core/IParallelMng.h"
#include "arcane/core/ItemPrinter.h"
 
#include "arcane/mesh/DynamicMesh.h"
#include "arcane/mesh/DynamicMeshIncrementalBuilder.h"
#include "arcane/mesh/ItemTools.h"
#include "arcane/mesh/ConnectivityNewWithDependenciesTypes.h"
#include "arcane/mesh/GraphDoFs.h"
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
namespace Arcane::mesh
{
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
class OneMeshItemAdder::CellInfoProxy
{
 public:
  
  CellInfoProxy(ItemTypeInfo* type_info,
                Int64 cell_uid,
                Int32 sub_domain_id,
                Int64ConstArrayView info,
                bool allow_build_face = false) 
    : m_type_info(type_info)
    , m_cell_uid(cell_uid)
    , m_info(info)
    , m_owner(sub_domain_id)
    , m_allow_build_face(allow_build_face) {}
  
  Int64 uniqueId() const { return m_cell_uid; }
  ItemTypeInfo* typeInfo() const { return m_type_info; }
  Int32 owner() const { return m_owner; }
  Integer nbNode() const { return m_info.size(); }
  Integer nbFace() const { return m_type_info->nbLocalFace(); }
  Integer nbEdge() const { return m_type_info->nbLocalEdge(); }
  Int64 nodeUniqueId(Integer i_node) const { return m_info[i_node]; }
  Int32 nodeOwner(Integer) const { return m_owner; }
  Int32 faceOwner(Integer) const { return m_owner; }
  Int32 edgeOwner(Integer) const { return m_owner; }
  ItemTypeInfo::LocalFace localFace(Integer i_face) const { return m_type_info->localFace(i_face); }
  bool allowBuildFace() const { return m_allow_build_face; }
  bool allowBuildEdge() const { return m_allow_build_face; }
 
 private:
 
  ItemTypeInfo* m_type_info;
  Int64 m_cell_uid;
  Int64ConstArrayView m_info;
  Int32 m_owner;
  bool m_allow_build_face;
};
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
OneMeshItemAdder::
OneMeshItemAdder(DynamicMeshIncrementalBuilder* mesh_builder) 
: TraceAccessor(mesh_builder->mesh()->traceMng())
, m_mesh(mesh_builder->mesh())
, m_mesh_builder(mesh_builder)
, m_cell_family(m_mesh->trueCellFamily())
, m_node_family(m_mesh->trueNodeFamily())
, m_face_family(m_mesh->trueFaceFamily())
, m_edge_family(m_mesh->trueEdgeFamily())
, m_item_type_mng(m_mesh->itemTypeMng())
, m_mesh_info(m_mesh->meshPartInfo().partRank())
{
  m_work_face_sorted_nodes.reserve(100);
  m_work_face_orig_nodes_uid.reserve(100); 
 
  if (auto v = Convert::Type<Int32>::tryParseFromEnvironment("ARCANE_GENERATE_UNIQUE_ID_FROM_NODES", true)){
    m_use_hash_for_face_unique_id = (v.value()!=0);
    info() << "Is generate Face uniqueId() from Nodes=" << m_use_hash_for_face_unique_id;
  }
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
ItemInternal* OneMeshItemAdder::
addOneNode(Int64 node_uid,Int32 owner)
{
  bool is_add = false; 
  ItemInternal* node = m_node_family.findOrAllocOne(node_uid,is_add);
  if (is_add) {
    ++m_mesh_info.nbNode();
    node->setOwner(owner,owner);
  }
  return node;
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
ItemInternal* OneMeshItemAdder::
addOneFace(Int64 a_face_uid, Int64ConstArrayView a_node_list, Integer a_type)
{
  m_work_face_sorted_nodes.resize(a_node_list.size());
  m_work_face_orig_nodes_uid.resize(a_node_list.size());
  for( Integer z=0; z<a_node_list.size(); ++z )
    m_work_face_orig_nodes_uid[z] = a_node_list[z];
  mesh_utils::reorderNodesOfFace(m_work_face_orig_nodes_uid, m_work_face_sorted_nodes);
 
  ItemTypeMng* itm = m_mesh->itemTypeMng();
  ItemInternal *face = m_face_family.allocOne(a_face_uid,itm->typeFromId(a_type));
  face->setOwner(m_mesh_info.rank(), m_mesh_info.rank());
 
  for(Integer i_node=0; i_node<a_node_list.size(); ++i_node ){
    ItemInternal *current_node_internal = addOneNode(m_work_face_sorted_nodes[i_node], m_mesh_info.rank());
    m_face_family.replaceNode(ItemLocalId(face),i_node,ItemLocalId(current_node_internal));
    m_node_family.addFaceToNode(current_node_internal, face);
  }
  ++m_mesh_info.nbFace();
  return face;
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
ItemInternal* OneMeshItemAdder::
addOneFace(ItemTypeId type_id, Int64 face_uid, Int32 sub_domain_id, Int64ConstArrayView nodes_uid)
{
  const Integer face_nb_node = nodes_uid.size();
 
  m_work_face_sorted_nodes.resize(face_nb_node);
  m_work_face_orig_nodes_uid.resize(face_nb_node);
  for( Integer z=0; z<face_nb_node; ++z )
    m_work_face_orig_nodes_uid[z] = nodes_uid[z];
  mesh_utils::reorderNodesOfFace(m_work_face_orig_nodes_uid,m_work_face_sorted_nodes);
  
  bool is_add_face = false;
  Face face = m_face_family.findOrAllocOne(face_uid,type_id,is_add_face);
  
  // La face n'existe pas
  if (is_add_face) { 
    ++m_mesh_info.nbFace();
    face.mutableItemBase().setOwner(sub_domain_id,sub_domain_id);
    for(Integer i_node=0; i_node<face_nb_node; ++i_node ){
      Node node = addOneNode(m_work_face_sorted_nodes[i_node], m_mesh_info.rank());
      m_face_family.replaceNode(face,i_node,node);
      m_node_family.addFaceToNode(node, face);
    }
  }
  
  return ItemCompatibility::_itemInternal(face);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
ItemInternal* OneMeshItemAdder::
addOneEdge(Int64 edge_uid, Integer sub_domain_id, Int64ConstArrayView nodes_uid)
{
  m_work_edge_sorted_nodes.resize(2);
  m_work_edge_orig_nodes_uid.resize(2);
  
  for( Integer z=0; z<2; ++z )
    m_work_edge_orig_nodes_uid[z] = nodes_uid[z];
  // reorderNodesOfFace se comporte ici correctement pour des arêtes == face en 2D
  mesh_utils::reorderNodesOfFace(m_work_edge_orig_nodes_uid,m_work_edge_sorted_nodes);
  
  bool is_add_edge = false;
  ItemInternal* edge = m_edge_family.findOrAllocOne(edge_uid,is_add_edge);
  
  // L'arête n'existe pas
  if (is_add_edge) {
    ++m_mesh_info.nbEdge();
    edge->setOwner(sub_domain_id,sub_domain_id);
    for(Integer i_node=0; i_node<2; ++i_node ){
      ItemInternal *current_node_internal = addOneNode(m_work_edge_sorted_nodes[i_node], m_mesh_info.rank());
      m_edge_family.replaceNode(ItemLocalId(edge),i_node, ItemLocalId(current_node_internal));
      m_node_family.addEdgeToNode(current_node_internal, edge);
    }
  }
  return edge;
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
template<>
Face OneMeshItemAdder::
_findInternalFace(Integer i_face, const FullCellInfo& cell_info, bool& is_add)
{
  const Int64 face_unique_id = cell_info.faceUniqueId(i_face);
  ItemTypeInfo* cell_type_info = cell_info.typeInfo();
  const ItemTypeInfo::LocalFace& lf = cell_type_info->localFace(i_face);
  ItemTypeInfo* face_type_info = m_item_type_mng->typeFromId(lf.typeId());
  return m_face_family.findOrAllocOne(face_unique_id,face_type_info,is_add);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
template<>
Face OneMeshItemAdder::
_findInternalFace(Integer i_face, const CellInfoProxy& cell_info, bool& is_add)
{
  const ItemInternalMap& nodes_map = m_mesh->nodesMap();
  ItemTypeInfo* cell_type_info = cell_info.typeInfo();
  const ItemTypeInfo::LocalFace& lf = cell_type_info->localFace(i_face);
  Node nbi = nodes_map.findItem(m_work_face_sorted_nodes[0]);
  Face face_internal = ItemTools::findFaceInNode2(nbi,lf.typeId(),m_work_face_sorted_nodes);
  if (face_internal.null()) {
    // La face n'est pas trouvée. Elle n'existe donc pas dans notre sous-domaine.
    // Si cela est autorisé, on créée la nouvelle face.
    if (!cell_info.allowBuildFace() && !m_use_hash_for_face_unique_id){
      info() << "BadCell uid=" << cell_info.uniqueId();
      for( Int32 i=0; i<cell_info.nbNode(); ++i )
        info() << "Cell node I=" << i << " uid=" << cell_info.nodeUniqueId(i);
      ARCANE_FATAL("On the fly face allocation is not allowed here.\n"
                   " You need to add faces with IMeshModifier::addFaces().\n"
                   " CellUid={0} LocalFace={1} FaceNodes={2}",
                   cell_info.uniqueId(),i_face,m_work_face_sorted_nodes);
    }
    ItemTypeInfo* face_type = m_item_type_mng->typeFromId(lf.typeId());
    Int64 face_unique_id = m_next_face_uid++;
    if (m_use_hash_for_face_unique_id)
      face_unique_id = MeshUtils::generateHashUniqueId(m_work_face_sorted_nodes);
    is_add = true;
    return m_face_family.allocOne(face_unique_id,face_type);
  }
  else {
    is_add = false;
    return face_internal;
  }  
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
template<>
Edge OneMeshItemAdder::
_findInternalEdge(Integer i_edge, const FullCellInfo& cell_info,
                  Int64 first_node, Int64 second_node, bool& is_add)
{
  ARCANE_UNUSED(first_node);
  ARCANE_UNUSED(second_node);
 
  const Int64 edge_unique_id = cell_info.edgeUniqueId(i_edge);
  return m_edge_family.findOrAllocOne(edge_unique_id,is_add);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
template<>
Edge OneMeshItemAdder::
_findInternalEdge(Integer i_edge, const CellInfoProxy& cell_info, Int64 first_node, Int64 second_node, bool& is_add)
{
  ARCANE_UNUSED(i_edge);
 
  const ItemInternalMap& nodes_map = m_mesh->nodesMap();
  Node nbi = nodes_map.findItem(first_node);
  Edge edge_internal = ItemTools::findEdgeInNode2(nbi,first_node,second_node);
  if (edge_internal.null()){
    if (!cell_info.allowBuildEdge())
      ARCANE_FATAL("On the fly edge allocation is not allowed here."
                   " You need to add edges before with IMeshModifier::addEdges()");
    const Int64 edge_unique_id = m_next_edge_uid++;
    is_add = true;
    return m_edge_family.allocOne(edge_unique_id);
  }
  else {
    is_add = false;
    return edge_internal;
  }
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
ItemInternal* OneMeshItemAdder::
addOneCell(ItemTypeId type_id,
           Int64 cell_uid,
           Int32 sub_domain_id,
           Int64ConstArrayView nodes_uid,
           bool allow_build_face)
{
  CellInfoProxy cell_info_proxy(m_item_type_mng->typeFromId(type_id),cell_uid,sub_domain_id,nodes_uid,allow_build_face);
 
  return _addOneCell(cell_info_proxy);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
ItemInternal* OneMeshItemAdder::
addOneCell(const FullCellInfo& cell_info)
{
  return _addOneCell(cell_info);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
ItemInternal* OneMeshItemAdder::
addOneItem(IItemFamily* family,
           IItemFamilyModifier* family_modifier,
           ItemTypeId type_id,
           Int64 item_uid,
           Integer item_owner,
           Integer sub_domain_id,
           Integer nb_connected_family,
           Int64ConstArrayView connectivity_info)
{
  ARCANE_ASSERT(m_mesh->itemFamilyNetwork(),("ItemFamilyNetwork is required to call OneMeshItemAdder::addOneItem"));
  bool is_alloc = true;
  Item item = family_modifier->findOrAllocOne(item_uid,type_id,m_mesh_info,is_alloc); // don't forget to add print in the class method
  item.mutableItemBase().setOwner(item_owner,sub_domain_id);
  // Add connectivities if needed
  Integer info_index = 0;
  for (Integer family_index = 0; family_index < nb_connected_family; ++family_index){
      // get connected family
      eItemKind family_kind = static_cast<eItemKind>(connectivity_info[info_index++]); // another way ?
      Int32 nb_connected_item = CheckedConvert::toInt32(connectivity_info[info_index++]);
      IItemFamily* connected_family = m_mesh->itemFamily(family_kind);
      // get connectivities family -> connected_family and reverse
      String connectivity_name = mesh::connectivityName(family,connected_family);
      String reverse_connectivity_name = mesh::connectivityName(connected_family,family);
      bool is_dependency = false;
      IIncrementalItemConnectivity* family_to_connected_family = m_mesh->itemFamilyNetwork()->getStoredConnectivity(family,connected_family,connectivity_name,is_dependency);
      IIncrementalItemConnectivity* connected_family_to_family = m_mesh->itemFamilyNetwork()->getStoredConnectivity(connected_family,family,reverse_connectivity_name);
      // Clear connectivities for already allocated items (except dependencies since replace is used)
      if (!is_alloc) {
          if(!is_dependency) _clearConnectivity(ItemLocalId(item), family_to_connected_family);
          if (connected_family_to_family) _clearReverseConnectivity(ItemLocalId(item),family_to_connected_family,connected_family_to_family);
      }
      // get connected item lids
      Int32UniqueArray connected_item_lids(nb_connected_item);
      connected_family->itemsUniqueIdToLocalId(connected_item_lids,connectivity_info.subView(info_index,nb_connected_item),true);
      for (Integer connected_item_index = 0; connected_item_index < nb_connected_item; ++connected_item_index){
          if (family_to_connected_family) {
              // pre-alloc are done (=> use replace) when a dependency relation ("owning relation") while not when only a relation (use add)
              if (! is_dependency) family_to_connected_family->addConnectedItem(ItemLocalId(item),ItemLocalId(connected_item_lids[connected_item_index]));
              else family_to_connected_family->replaceConnectedItem(ItemLocalId(item),connected_item_index,ItemLocalId(connected_item_lids[connected_item_index])); // does not work with face to edges...
          }
          if (connected_family_to_family)
            connected_family_to_family->addConnectedItem(ItemLocalId(connected_item_lids[connected_item_index]),ItemLocalId(item));
        }
      info_index+= nb_connected_item;
    }
//  debug(Trace::Highest) << "[addItems] ADD_ITEM " << ItemPrinter(item) << " in " << family->name();
  debug(Trace::Highest) << "[addItems] ADD_ITEM " << ItemPrinter(item) << " in " << family->name();
  return ItemCompatibility::_itemInternal(item);
}
 
/*---------------------------------------------------------------------------*/
 
ItemInternal* OneMeshItemAdder::
addOneItem2(IItemFamily* family,
            IItemFamilyModifier* family_modifier,
            ItemTypeId type_id,
            Int64 item_uid,
            Integer item_owner,
            Integer sub_domain_id,
            Integer nb_connected_family,
            Int64ConstArrayView connectivity_info)
{
  ARCANE_ASSERT(m_mesh->itemFamilyNetwork(),("ItemFamilyNetwork is required to call OneMeshItemAdder::addOneItem"));
  bool is_alloc = true;
  Item item = family_modifier->findOrAllocOne(item_uid,type_id,m_mesh_info,is_alloc); // don't forget to add print in the class method
  item.mutableItemBase().setOwner(item_owner,sub_domain_id);
  // Add connectivities if needed
  Integer info_index = 0;
  for (Integer family_index = 0; family_index < nb_connected_family; ++family_index) {
    // Prepare connection
    // get connected family
    eItemKind family_kind = static_cast<eItemKind>(connectivity_info[info_index++]); // another way ?
    Int32 nb_connected_item = CheckedConvert::toInt32(connectivity_info[info_index++]);
    if (nb_connected_item == 0) continue;
    IItemFamily* connected_family = nullptr ;
    switch(family_kind){
      case IK_Particle:
        connected_family = m_mesh->findItemFamily(family_kind, ParticleFamily::defaultFamilyName(), false,false);
        break ;
      case IK_DoF:
        if(family->name()==GraphDoFs::dualNodeFamilyName())
          connected_family = m_mesh->findItemFamily(family_kind, GraphDoFs::linkFamilyName(), false,false);
        else
          connected_family = m_mesh->findItemFamily(family_kind, GraphDoFs::dualNodeFamilyName(), false,false);
        break ;
      default:
        connected_family = m_mesh->itemFamily(family_kind);
        break ;
    }
    // get connectivities family -> connected_family and reverse
    String connectivity_name = mesh::connectivityName(family,connected_family);
    bool is_dependency = false;
    IIncrementalItemConnectivity* family_to_connected_family = m_mesh->itemFamilyNetwork()->getConnectivity(family,connected_family,connectivity_name,is_dependency);
    if (!family_to_connected_family)
      ARCANE_FATAL("Cannot find connectivity name={0}",connectivity_name);
    bool is_deep_connectivity = m_mesh->itemFamilyNetwork()->isDeep(family_to_connected_family) ;
    bool is_relation = !(is_dependency && is_deep_connectivity);
    // Build connection
    // get connected item lids
    Int32UniqueArray connected_item_lids(nb_connected_item);
    bool do_fatal = is_relation ? false : true; // for relations, connected items may not be present and will be skipped.
    connected_family->itemsUniqueIdToLocalId(connected_item_lids,connectivity_info.subView(info_index,nb_connected_item),do_fatal);
    // if connection is relation, connected item not necessarily present: remove absent (ie null) items
    Integer nb_connected_item_found = nb_connected_item;
    if (is_relation)
    {
      for (Integer index = 0; index < connected_item_lids.size(); )
      {
        if (connected_item_lids[index] == NULL_ITEM_LOCAL_ID) {
          connected_item_lids.remove(index);
          --nb_connected_item_found;
        }
        else ++index;
      }
    }
    for (Integer connected_item_index = 0; connected_item_index < nb_connected_item_found; ++connected_item_index)
    {
      if (family_to_connected_family)
      {
        // Only strategy : check and add
        auto connected_item_lid = ItemLocalId{connected_item_lids[connected_item_index]};
        if (is_relation)
        {
          if (!family_to_connected_family->hasConnectedItem(ItemLocalId(item),connected_item_lid))
          {
            family_to_connected_family->addConnectedItem(ItemLocalId(item),connected_item_lid);
          }
        }
        else
        {
          family_to_connected_family->replaceConnectedItem(ItemLocalId(item),connected_item_index,connected_item_lid);
        }
      }
    }
    info_index+= nb_connected_item;
  }
  if (is_alloc)
    debug(Trace::Highest) << "[addItems] ADD_ITEM " << ItemPrinter(item) << " in " << family->name();
  //  debug(Trace::Highest) << "[addItems] DEPENDENCIES for " << family->name() << FullItemPrinter(item) ; // debug info
  //  _printRelations(item); // debug info
  return ItemCompatibility::_itemInternal(item);
}
 
/*---------------------------------------------------------------------------*/
 
void OneMeshItemAdder::
_printRelations(ItemInternal* item)
{
  debug(Trace::Highest) << "[addItems] RELATIONS for " << ItemPrinter(item) << " in " << item->family()->name();
  for (const auto& relation : m_mesh->itemFamilyNetwork()->getChildRelations(item->family())) {
//    debug(Trace::Highest) << " Relation " << relation->name();
//    debug(Trace::Highest) << " Relation " << relation->nbConnectedItem(ItemLocalId(item));
    ConnectivityItemVector connected_items(relation);
    for (const auto& connected_item : connected_items.connectedItems(ItemLocalId(item))) {
      debug(Trace::Highest) << ItemPrinter(connected_item);
    }
  }
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
void OneMeshItemAdder::
_clearConnectivity(ItemLocalId item, IIncrementalItemConnectivity* connectivity)
{
 
  ConnectivityItemVector accessor(connectivity);
  ENUMERATE_ITEM(connected_item, accessor.connectedItems(item)) {
    connectivity->removeConnectedItem(item,connected_item);
  }
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
void OneMeshItemAdder::
_clearReverseConnectivity(ItemLocalId item, IIncrementalItemConnectivity* connectivity, IIncrementalItemConnectivity* reverse_connectivity)
{
  ConnectivityItemVector accessor(connectivity);
  ENUMERATE_ITEM(connected_item, accessor.connectedItems(item)) {
    reverse_connectivity->removeConnectedItem(connected_item,item);
  }
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
template<> void OneMeshItemAdder::
_AMR_Patch(Cell new_cell, const FullCellInfo& cell_info)
{
  if(m_mesh->isAmrActivated()){
    // FIXME doit-on traiter les mailles de niveau 0 
    //comme celles de niveau superieur 
    if(cell_info.level() != 0){
      Integer child_rank = cell_info.whichChildAmI();
      Int64 hParent_uid = cell_info.hParentCellUniqueId();
      ItemTypeId cell_type = ItemTypeId::fromInteger(cell_info.typeId());
      bool is_add;
      Cell hParent_cell= m_cell_family.findOrAllocOne(hParent_uid,cell_type,is_add);
      m_cell_family._addParentCellToCell(new_cell,hParent_cell);  
      m_cell_family._addChildCellToCell(hParent_cell,child_rank,new_cell);
    }
  }
}
 
template<> void OneMeshItemAdder::
_AMR_Patch(Cell cell, const CellInfoProxy& cell_info)
{
  ARCANE_UNUSED(cell);
  ARCANE_UNUSED(cell_info);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
template<typename CellInfo>
ItemInternal* OneMeshItemAdder::
_addOneCell(const CellInfo& cell_info)
{
  bool is_check = arcaneIsCheck();
 
  ItemTypeInfo* cell_type_info = cell_info.typeInfo();
  ItemTypeId cell_type_id = cell_type_info->itemTypeId();
  // Regarde si la maille existe déjà (auquel cas on ne fait rien)
  Cell inew_cell;
  {
    bool is_add; // ce flag est toujours correctement positionné via les findOrAllocOne
    inew_cell = m_cell_family.findOrAllocOne(cell_info.uniqueId(),cell_type_id,is_add);
    if (!is_add){
      if (is_check){
        Cell cell2(inew_cell);
        // Vérifie que les noeuds correspondent bien à ceux existants
        for( Integer i=0, is=cell_info.nbNode(); i<is; ++i )
          if (cell_info.nodeUniqueId(i)!=cell2.node(i).uniqueId())
            ARCANE_FATAL("trying to add existing cell (uid={0}) with different nodes",
                         cell_info.uniqueId());
      }
      return ItemCompatibility::_itemInternal(inew_cell);
    }
  }
 
  const bool is_verbose = false;
 
  Cell new_cell(inew_cell);
 
  const Integer cell_nb_face = cell_info.nbFace();
  const Integer cell_nb_edge = cell_info.nbEdge();
 
  ++m_mesh_info.nbCell();
 
  inew_cell.mutableItemBase().setOwner(cell_info.owner(), m_mesh_info.rank());
  // Vérifie la cohérence entre le type local et la maille créée.
  if (is_check){
    if (cell_info.nbNode()!=inew_cell.nbNode())
      ARCANE_FATAL("Incoherent number of nodes v={0} expected={1}",inew_cell.nbNode(),cell_info.nbNode());
    if (cell_nb_face!=inew_cell.nbFace())
      ARCANE_FATAL("Incoherent number of faces v={0} expected={1}",inew_cell.nbFace(),cell_nb_face);
    if (!cell_type_info->isValidForCell())
      ARCANE_FATAL("Type '{0}' is not allowed for 'Cell' (cell_uid={1})",
                   cell_type_info->typeName(),cell_info.uniqueId());
    Int32 cell_dimension = cell_type_info->dimension();
    Int32 mesh_dimension = m_mesh->dimension();
    if (cell_dimension>=0 && cell_dimension!=mesh_dimension)
      ARCANE_FATAL("Incoherent dimension for cell uid={0} cell_dim={1} mesh_dim={2} type={3}",
                   cell_info.uniqueId(),cell_dimension,mesh_dimension,cell_type_info->typeName());
  }
 
  ItemInternalMap& nodes_map = m_node_family.itemsMap();
 
  _addNodesToCell(inew_cell,cell_info);
  
  if (m_mesh_builder->hasEdge()) {
    // Ajoute les nouvelles arêtes ci-nécessaire
    for( Integer i_edge=0; i_edge<cell_nb_edge; ++i_edge ){
      const ItemTypeInfo::LocalEdge& le = cell_type_info->localEdge(i_edge);
      
      Int64 first_node  = cell_info.nodeUniqueId( le.beginNode() );
      Int64 second_node = cell_info.nodeUniqueId( le.endNode() );
      if (first_node > second_node)
        std::swap(first_node,second_node);
    
      bool is_add = false;
      Edge edge_internal = _findInternalEdge(i_edge, cell_info, first_node, second_node, is_add);
      if (is_add){
        if (is_verbose)
          info() << "Create edge " << edge_internal.uniqueId() << ' ' << edge_internal.localId();
        
        edge_internal.mutableItemBase().setOwner(cell_info.edgeOwner(i_edge),m_mesh_info.rank());
        {
          Node current_node = nodes_map.findItem(first_node);
          m_edge_family.replaceNode(ItemLocalId(edge_internal), 0, current_node);
          m_node_family.addEdgeToNode(current_node, edge_internal);
        }
        {
          Node current_node = nodes_map.findItem(second_node);
          m_edge_family.replaceNode(ItemLocalId(edge_internal), 1, current_node);
          m_node_family.addEdgeToNode(current_node, edge_internal);
        }
        ++m_mesh_info.nbEdge();
      }
 
      m_cell_family.replaceEdge(ItemLocalId(new_cell),i_edge,ItemLocalId(edge_internal));
      m_edge_family.addCellToEdge(edge_internal,inew_cell);
    }
  }
 
  // Ajoute les nouvelles faces ci-nécessaire
  for( Integer i_face=0; i_face<cell_nb_face; ++i_face ){
    const ItemTypeInfo::LocalFace& lf = cell_type_info->localFace(i_face);
    const Integer face_nb_node = lf.nbNode();
    const bool is_reorder = _isReorder(i_face, lf, cell_info); 
    // en effet de bord, _isReorder construit aussi m_work_face_sorted_nodes
    
    bool is_add = false;
    Face face = _findInternalFace(i_face, cell_info, is_add);
    if (is_add){
      if (is_verbose){
        info() << "Create face " << face.uniqueId() << ' ' << face.localId();
        info() << "AddCell (uid=" << new_cell.uniqueId() << ": Create face (index=" << i_face
               << ") uid=" << face.uniqueId()
               << " lid=" << face.localId();
      }
      face.mutableItemBase().setOwner(cell_info.faceOwner(i_face),m_mesh_info.rank());
      
      for( Integer i_node=0; i_node<face_nb_node; ++i_node ){
        Node current_node = nodes_map.findItem(m_work_face_sorted_nodes[i_node]);
        m_face_family.replaceNode(face, i_node, current_node);
        m_node_family.addFaceToNode(current_node, face);
      }
 
      if (m_mesh_builder->hasEdge()) {
        Integer face_nb_edge = lf.nbEdge();
        for( Integer i_edge=0; i_edge<face_nb_edge; ++i_edge ){
          Edge current_edge = new_cell.edge( lf.edge(i_edge) );
          m_face_family.addEdgeToFace(face,current_edge);
          m_edge_family.addFaceToEdge(current_edge,face);
        }
      }
      ++m_mesh_info.nbFace();
    }
    m_cell_family.replaceFace(new_cell,i_face,face);
 
    if(m_mesh->isAmrActivated()){
      if (is_reorder){
        if(face.nbCell() == 2)
          m_face_family.replaceFrontCellToFace(face,new_cell);
        else
          m_face_family.addFrontCellToFace(face,inew_cell);
      } else{
        if(face.nbCell() == 2)
          m_face_family.replaceBackCellToFace(face,new_cell);
        else
          m_face_family.addBackCellToFace(face,inew_cell);
      }
    } else {
      if (is_reorder){
        m_face_family.addFrontCellToFace(face,inew_cell);
      } else{
        m_face_family.addBackCellToFace(face,inew_cell);
      }
    }
  }
 
  _AMR_Patch(inew_cell, cell_info);
  return ItemCompatibility::_itemInternal(inew_cell);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
ItemInternal* OneMeshItemAdder::
addOneParentItem(const Item & item, const eItemKind submesh_kind, const bool fatal_on_existing_item)
{
  //bool is_check = arcaneIsCheck();
  ItemTypeMng* itm = m_mesh->itemTypeMng();
  eItemKind kind = item.kind();
  ItemTypeInfo* type = itm->typeFromId(item.type());
 
  if (item.type() == IT_Line2 && submesh_kind == IK_Cell)
    type = itm->typeFromId(IT_CellLine2);
  if (item.type() == IT_Vertex && submesh_kind == IK_Face)
    type = itm->typeFromId(IT_FaceVertex);
  ItemTypeId type_id = type->itemTypeId();
 
  if (MeshToMeshTransposer::kindTranspose(submesh_kind, m_mesh, m_mesh->parentMesh()) != kind)
    ARCANE_FATAL("Incompatible kind/sub-kind");
 
  // Regarde si la maille existe déjà
  bool is_add; // ce flag est toujours correctement positionné via les findOrAllocOne
  Item new_item;
 
  switch (submesh_kind) {
  case IK_Node:
    new_item = m_node_family.findOrAllocOne(item.uniqueId(),is_add);
    ++m_mesh_info.nbNode();
    break;
  case IK_Edge:
    new_item = m_edge_family.findOrAllocOne(item.uniqueId(),is_add);
    ++m_mesh_info.nbEdge();
    break;
  case IK_Face:
    new_item = m_face_family.findOrAllocOne(item.uniqueId(),type,is_add);
    ++m_mesh_info.nbFace();
    break;
  case IK_Cell:
    if (kind == IK_Face && !(item.toFace().isSubDomainBoundary()))
      ARCANE_FATAL("Bad boundary face");
    new_item = m_cell_family.findOrAllocOne(item.uniqueId(),type_id,is_add);
    ++m_mesh_info.nbCell();
   break;
  default:
    throw NotSupportedException(A_FUNCINFO,String::format("Kind {0} not supported", submesh_kind));
  }
 
  if (!is_add){
    if (fatal_on_existing_item)
      ARCANE_FATAL("Cannot add already existing parent item in submesh");
    else
      return ItemCompatibility::_itemInternal(new_item);
  }
 
  new_item.mutableItemBase().setParent(0,item.localId());
  new_item.mutableItemBase().setOwner(item.owner(),m_mesh_info.rank());
  
  // Localise vis-à-vis de l'item à insérer ces sous-items
  // Par défaut tout à 0, qui correspond aussi au cas submesh_kind==IK_Node
  Integer item_nb_node = 0;
  Integer item_nb_face = 0;
  Integer item_nb_edge = 0;
 
  switch (submesh_kind) {
  case IK_Cell:
    item_nb_face = type->nbLocalFace();
    item_nb_edge = type->nbLocalEdge();
    item_nb_node = type->nbLocalNode();
    break;
  case IK_Face:
    item_nb_edge = type->nbLocalEdge();
    item_nb_node = type->nbLocalNode();
    break;
  case IK_Edge:
    item_nb_node = type->nbLocalNode();
  default: // les autres sont déjà filtrés avant avec une exception
    break;
  }
 
  // Traitement du cas de désactivation des arêtes
  if (!m_mesh_builder->hasEdge())
    item_nb_edge = 0;
 
#if OLD
  // Ne fonctionne plus si on désactive les anciennes connectivités
  if (is_check){
    for( Integer z=0; z<item_nb_face; ++z )
      new_item->_setFace(z,NULL_ITEM_ID);
    for( Integer z=0; z<item_nb_edge; ++z )
      new_item->_setEdge(z,NULL_ITEM_ID);
    for( Integer z=0; z<item_nb_node; ++z )
      new_item->_setNode(z,NULL_ITEM_ID);
  }
#endif
 
  DynamicMeshKindInfos::ItemInternalMap& nodes_map = m_mesh->nodesMap();
  auto* parent_mesh = ARCANE_CHECK_POINTER(dynamic_cast<DynamicMesh*>(m_mesh->parentMesh()));
  DynamicMeshKindInfos::ItemInternalMap& parent_nodes_map = parent_mesh->nodesMap();
 
  // Traitement des nouveaux noeuds
 
  // Les sommets sont utilisés dans l'ordre de l'item sauf les cellules de sous-maillages surfacique.
  const bool direct_node_order = 
    !(submesh_kind == IK_Cell 
      && kind == IK_Face 
      && !(item.toFace().isSubDomainBoundaryOutside()));
 
  Int64UniqueArray nodes_uid(item_nb_node,NULL_ITEM_UNIQUE_ID);
  for( Integer i_node=0; i_node<item_nb_node; ++i_node ){
    Item parent_item;
    if (type->typeId() == IT_FaceVertex)
      parent_item = item;
    else{
      Int32 idx = ((direct_node_order) ? i_node : (item_nb_node-1-i_node));
      parent_item = item.toItemWithNodes().node(idx);
    }
    Int64 new_node_uid = nodes_uid[i_node] = parent_item.uniqueId();
    ItemInternal* node_internal = m_node_family.findOrAllocOne(new_node_uid,is_add);
    if (is_add){
#ifdef ARCANE_DEBUG_DYNAMIC_MESH
      info() << "Création node " << new_node_uid << ' '
             << node_internal->uniqueId() << ' ' << node_internal->localId();
#endif /* ARCANE_DEBUG_DYNAMIC_MESH */
      node_internal->setParent(0,parent_item.localId());
      node_internal->setOwner(parent_item.owner(),m_mesh_info.rank());
      ++m_mesh_info.nbNode();
    }
 
    // Connection de l'item aux sommets
    ItemLocalId node_lid(node_internal);
    ItemLocalId new_item_lid(new_item);
    switch (submesh_kind) {
    case IK_Cell:
      m_cell_family.replaceNode(new_item_lid,i_node, node_lid);
      m_node_family.addCellToNode(node_internal, new_item.toCell());
      break;
    case IK_Face:
      m_face_family.replaceNode(new_item_lid,i_node, node_lid);
      m_node_family.addFaceToNode(node_internal, new_item.toFace());
      break;
    case IK_Edge:
      m_edge_family.replaceNode(new_item_lid,i_node, node_lid);
      m_node_family.addEdgeToNode(node_internal, new_item.toEdge());
      break;
    default: // les autres sont déjà filtrés avant
      break;
    }
  }
  
  // Traitement des nouvelles arêtes (le filtrage has_edge est déjà pris en compte dans item_nb_edge)
  for( Integer i_edge=0; i_edge<item_nb_edge; ++i_edge ) {
    const ItemTypeInfo::LocalEdge& le = type->localEdge(i_edge);
 
    Int64 first_node = nodes_uid[ le.beginNode() ];
    Int64 second_node = nodes_uid[ le.endNode() ];
    if (first_node > second_node)
      std::swap(first_node,second_node);
 
    Edge parent_item = item.itemBase().edgeBase(i_edge);
    if (parent_item.null())
      ARCANE_FATAL("Cannot find parent edge");
 
    Int64 new_edge_uid = parent_item.uniqueId();
 
    ItemInternal* edge_internal = m_edge_family.findOrAllocOne(new_edge_uid,is_add);
    if (is_add) {
#ifdef ARCANE_DEBUG_DYNAMIC_MESH
      info() << "Création edge " << new_edge_uid << ' '
             << edge_internal->uniqueId() << ' ' << edge_internal->localId();
#endif /* ARCANE_DEBUG_DYNAMIC_MESH */
      edge_internal->setParent(0,parent_item.localId());
      edge_internal->setOwner(parent_item.owner(),m_mesh_info.rank());
 
      {
        Node current_node = nodes_map.findItem(first_node);
        m_edge_family.replaceNode(ItemLocalId(edge_internal), 0, current_node);
        m_node_family.addEdgeToNode(current_node, edge_internal);
      }
      {
        Node current_node = nodes_map.findItem(second_node);
        m_edge_family.replaceNode(ItemLocalId(edge_internal), 1, current_node);
        m_node_family.addEdgeToNode(current_node, edge_internal);
      }
      ++m_mesh_info.nbEdge();
    }
 
 
    // Connection de l'item aux sommets
    switch (submesh_kind) {
    case IK_Cell: {
      m_cell_family.replaceEdge(ItemLocalId(new_item),i_edge,ItemLocalId(edge_internal));
      m_edge_family.addCellToEdge(edge_internal, new_item.toCell());
    } break;
    case IK_Face: {
      m_face_family.replaceEdge(ItemLocalId(new_item),i_edge,ItemLocalId(edge_internal));
      m_edge_family.addFaceToEdge(edge_internal, new_item.toFace());
    } break;
    default: // les autres sont déjà filtrés avant
      break;
    }
  }
 
  // Traitement des nouvelles faces
  // item_nb_face matérialise déjà que ce contexte ne se produit qu'avec submesh_kind==IK_Cell
  for( Integer i_face=0; i_face<item_nb_face; ++i_face ) {
  const ItemTypeInfo::LocalFace& lf = type->localFace(i_face);
    Integer face_nb_node = lf.nbNode();
 
    m_work_face_sorted_nodes.resize(face_nb_node);
    m_work_face_orig_nodes_uid.resize(face_nb_node);
    for( Integer z=0; z<face_nb_node; ++z )
      m_work_face_orig_nodes_uid[z] = nodes_uid[ lf.node(z) ];
    bool is_reorder = false;
    if (m_mesh->dimension() == 1) { // is 1d mesh
      is_reorder = (i_face==1);
      m_work_face_sorted_nodes[0] = m_work_face_orig_nodes_uid[0];
    }
    else
      is_reorder = mesh_utils::reorderNodesOfFace(m_work_face_orig_nodes_uid,m_work_face_sorted_nodes);
 
    // find parent item
    Item parent_item;
    if (kind==IK_Cell) {
      parent_item = item.toCell().face(i_face);
    }
    else if (kind==IK_Face) {
      if (m_mesh->dimension() == 1) { // is 1d mesh
        parent_item = parent_nodes_map.findItem(m_work_face_sorted_nodes[0]);
      } else {
        // Algo sans CT_FaceToEdge
        Int64 first_node = m_work_face_sorted_nodes[0];
        Int64 second_node = m_work_face_sorted_nodes[1];
        if (first_node > second_node)
          std::swap(first_node,second_node);
        Node nbi = parent_nodes_map.findItem(first_node);
        parent_item = ItemTools::findEdgeInNode2(nbi,first_node,second_node);
      }
    }
 
    if (parent_item.null())
      ARCANE_FATAL("Cannot find parent face");
    Int64 new_face_uid = parent_item.uniqueId();
    ItemTypeInfo* face_type = itm->typeFromId(lf.typeId());
 
    ItemInternal* face_internal = m_face_family.findOrAllocOne(new_face_uid,face_type,is_add);
    if (is_add){
#ifdef ARCANE_DEBUG_DYNAMIC_MESH
      info() << "Création face " << new_face_uid << ' '
             << face_internal->uniqueId() << ' ' << face_internal->localId();
#endif /* ARCANE_DEBUG_DYNAMIC_MESH */
      face_internal->setParent(0,parent_item.localId());
      face_internal->setOwner(parent_item.owner(),m_mesh_info.rank());
 
      for( Integer i_node=0; i_node<face_nb_node; ++i_node ){
        Node current_node = nodes_map.findItem(m_work_face_sorted_nodes[i_node]);
        m_face_family.replaceNode(ItemLocalId(face_internal), i_node, current_node);
        m_node_family.addFaceToNode(current_node, face_internal);
      }
 
      if (m_mesh_builder->hasEdge()) {
        Integer face_nb_edge = lf.nbEdge();
        for( Integer i_edge=0; i_edge<face_nb_edge; ++i_edge ){
          Int32 edge_idx = lf.edge(i_edge);
          Edge current_edge = new_item.itemBase().edgeBase(edge_idx);
          m_face_family.addEdgeToFace(face_internal,current_edge);
          m_edge_family.addFaceToEdge(current_edge,face_internal);
        }
      }
      ++m_mesh_info.nbFace();
    }
    m_cell_family.replaceFace(ItemLocalId(new_item),i_face,ItemLocalId(face_internal));
    if (is_reorder){
      m_face_family.addFrontCellToFace(face_internal,new_item.toCell());
    } else{
      m_face_family.addBackCellToFace(face_internal,new_item.toCell());
    }
  }
 
  return ItemCompatibility::_itemInternal(new_item);
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
template<typename CellInfo>
inline void OneMeshItemAdder::
_addNodesToCell(Cell cell, const CellInfo& cell_info)
{
  Integer cell_nb_node = cell_info.nbNode();
  
  // Ajoute les nouveaux noeuds si nécessaire
  for( Integer i_node=0; i_node<cell_nb_node; ++i_node ){
    Int64 node_unique_id = cell_info.nodeUniqueId(i_node);
    bool is_add = false;
    ItemInternal* node_internal = m_node_family.findOrAllocOne(node_unique_id,is_add);
    if (is_add){
      ++m_mesh_info.nbNode();
      node_internal->setOwner(cell_info.nodeOwner(i_node),m_mesh_info.rank());
    }
    m_node_family.addCellToNode(node_internal,cell);
    m_cell_family.replaceNode(cell,i_node,ItemLocalId(node_internal));
  }
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
template<typename CellInfo>
bool OneMeshItemAdder::
_isReorder(Integer i_face, const ItemTypeInfo::LocalFace& lf, const CellInfo& cell_info)
{
  const Integer face_nb_node = lf.nbNode();
  m_work_face_sorted_nodes.resize(face_nb_node);
  m_work_face_orig_nodes_uid.resize(face_nb_node);
  for(Integer i_node=0; i_node < face_nb_node; ++i_node)
    m_work_face_orig_nodes_uid[i_node] = cell_info.nodeUniqueId(lf.node(i_node));
  bool is_reorder = false;
  if (m_mesh->dimension() == 1) { // is 1d mesh
    is_reorder = (i_face==1);
    m_work_face_sorted_nodes[0] = m_work_face_orig_nodes_uid[0];
  }
  else
    is_reorder = mesh_utils::reorderNodesOfFace(m_work_face_orig_nodes_uid,
                                                m_work_face_sorted_nodes);
  
  return is_reorder;
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
void OneMeshItemAdder::
resetAfterDeallocate()
{
  m_next_face_uid = 0;
  m_next_edge_uid = 0;
  m_mesh_info.reset();
}
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
 
} // End namespace Arcane::mesh
 
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/