ComponentItemVectorView.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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/* ComponentItemVectorView.cc                                  (C) 2000-2024 */
/*                                                                           */
/* View over a vector of component entities.                                 */
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#include "arcane/core/materials/ComponentItemVectorView.h"
 
#include "arcane/utils/NotImplementedException.h"
#include "arcane/utils/ArgumentException.h"
 
#include "arcane/core/materials/IMeshMaterial.h"
#include "arcane/core/materials/IMeshEnvironment.h"
 
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namespace Arcane::Materials
{
 
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IMeshMaterial* MatItemVectorView::
material() const
{
  return static_cast<IMeshMaterial*>(component());
}
 
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IMeshEnvironment* EnvItemVectorView::
environment() const
{
  return static_cast<IMeshEnvironment*>(component());
}
 
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ComponentItemVectorView ComponentItemVectorView::
_subView(Integer begin, Integer size)
{
  Integer nb_total = nbItem();
 
  // No elements, returns an empty array
  if (nb_total == 0) {
    return ComponentItemVectorView(m_component);
  }
 
  if (begin >= nb_total) {
    // Start index greater than the number of elements.
    ARCANE_THROW(ArgumentException, "Bad 'begin' value '{0}' total={1}", begin, nb_total);
  }
 
  ConstituentItemLocalIdListView mn = m_constituent_list_view._subView(begin, size);
  ConstArrayView<MatVarIndex> mvs = _matvarIndexes().subView(begin, size);
  ConstArrayView<Int32> ids = _internalLocalIds().subView(begin, size);
 
  return { m_component, mvs, mn, ids };
}
 
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MatItemVectorView MatItemVectorView::
_subView(Integer begin, Integer size)
{
  return { component(), ComponentItemVectorView::_subView(begin, size) };
}
 
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EnvItemVectorView EnvItemVectorView::
_subView(Integer begin, Integer size)
{
  return { component(), ComponentItemVectorView::_subView(begin, size) };
}
 
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} // End namespace Arcane::Materials
 
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