MeshUniqueIdMng.cc

// -*- 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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/* MeshUniqueIdMng.cc                                          (C) 2000-2025 */
/*                                                                           */
/* Mesh ghost layer manager.                                                 */
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#include "arcane/mesh/MeshUniqueIdMng.h"
 
#include "arcane/utils/PlatformUtils.h"
#include "arcane/utils/ArgumentException.h"
#include "arcane/utils/FatalErrorException.h"
#include "arcane/utils/ValueConvert.h"
 
#include "arcane/core/IMeshUniqueIdMng.h"
 
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namespace Arcane::mesh
{
 
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MeshUniqueIdMng::
MeshUniqueIdMng(ITraceMng* tm)
: TraceAccessor(tm)
{
  _initFaceVersion();
  _initEdgeVersion();
}
 
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void MeshUniqueIdMng::
setFaceBuilderVersion(Integer n)
{
  if (n < 0)
    ARCANE_THROW(ArgumentException, "Bad value for '{0}'<0", n);
  m_face_builder_version = n;
}
 
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void MeshUniqueIdMng::
setEdgeBuilderVersion(Integer n)
{
  if (n < 0)
    ARCANE_THROW(ArgumentException, "Bad value for '{0}'<0", n);
  m_edge_builder_version = n;
}
 
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void MeshUniqueIdMng::
_initFaceVersion()
{
  m_face_builder_version = 1;
 
  if (auto v = Convert::Type<Int32>::tryParseFromEnvironment("ARCANE_FACE_UNIQUE_ID_BUILDER_VERSION", true)) {
    m_face_builder_version = v.value();
    return;
  }
 
  // For compatibility with existing implementations, default values are set
  // based on certain environment variables.
  // This behavior must be removed eventually (as it applies to all meshes,
  // even those created dynamically).
 
  if (!platform::getEnvironmentVariable("ARCANE_NEW_MESHINIT2").null()) {
    m_face_builder_version = 3;
    return;
  }
 
  if (!platform::getEnvironmentVariable("ARCANE_NO_FACE_RENUMBER").null()) {
    m_face_builder_version = 0;
    return;
  }
 
  if (!platform::getEnvironmentVariable("ARCANE_NEW_MESHINIT").null()) {
    m_face_builder_version = 2;
    return;
  }
}
 
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void MeshUniqueIdMng::
_initEdgeVersion()
{
  m_edge_builder_version = 1;
 
  if (auto v = Convert::Type<Int32>::tryParseFromEnvironment("ARCANE_EDGE_UNIQUE_ID_BUILDER_VERSION", true)) {
    m_edge_builder_version = v.value();
    return;
  }
}
 
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void MeshUniqueIdMng::
setUseNodeUniqueIdToGenerateEdgeAndFaceUniqueId(bool v)
{
  m_use_node_uid_to_generate_edge_and_face_uid = v;
}
 
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} // End namespace Arcane::mesh
 
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