ConstituentItemIndexedSelectionView.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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/* ConstituentItemIndexedSelectionView.cc                      (C) 2000-2026 */
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/* View over a subset of a ConstituentItem container.                        */
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#include "arcane/core/materials/ConstituentItemIndexedSelectionView.h"
 
#include "arcane/utils/FatalErrorException.h"
 
#include "arcane/core/materials/internal/IMeshMaterialMngInternal.h"
 
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namespace Arcane::Materials
{
 
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ConstituentItemIndexedSelectionViewBase::
ConstituentItemIndexedSelectionViewBase(IndexArrayView indices)
: m_selection_view(indices)
{
}
 
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ConstituentItemIndexedSelectionViewBase::
ConstituentItemIndexedSelectionViewBase(IMeshComponent* constituent, Int32 selection_size)
{
  SmallSpan<const Int32> v = constituent->materialMng()->_internalApi()->identitySelectionView();
  // Checks that the returned view has a size at least equal to the selection.
  if (v.size() < selection_size)
    ARCANE_FATAL("Invalid size for identity selection (selection_size={0} identity={1})",
                 selection_size, v.size());
  m_selection_view = SmallSpan<const Int32>{ v.data(), selection_size };
}
 
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} // End namespace Arcane::Materials
 
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