ConstituentItemVectorImpl.h

// -*- 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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/* ConstituentItemVectorImpl.h                                 (C) 2000-2024 */
/*                                                                           */
/* Implementation of 'IConstituentItemVectorImpl'.                           */
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#ifndef ARCANE_MATERIALS_INTERNAL_CONSTITUENTITEMVECTORIMPL_H
#define ARCANE_MATERIALS_INTERNAL_CONSTITUENTITEMVECTORIMPL_H
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#include "arccore/base/ReferenceCounterImpl.h"
 
#include "arcane/utils/TraceAccessor.h"
#include "arcane/utils/Functor.h"
 
#include "arcane/core/materials/ComponentItemVector.h"
#include "arcane/core/materials/internal/ConstituentItemLocalIdList.h"
 
#include "arcane/materials/internal/MeshComponentPartData.h"
 
#include <tuple>
 
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namespace Arcane::Materials
{
 
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class ConstituentItemVectorImpl
: public IConstituentItemVectorImpl
, public ::Arccore::ReferenceCounterImpl
{
  ARCCORE_DEFINE_REFERENCE_COUNTED_INCLASS_METHODS();
 
 public:
 
  explicit ConstituentItemVectorImpl(IMeshComponent* component);
  explicit ConstituentItemVectorImpl(const ComponentItemVectorView& rhs);
 
 public:
 
  ConstituentItemVectorImpl(const ConstituentItemVectorImpl& rhs) = delete;
  ConstituentItemVectorImpl(ConstituentItemVectorImpl&& rhs) = delete;
  ConstituentItemVectorImpl& operator=(const ConstituentItemVectorImpl& rhs) = delete;
 
 private:
 
  ComponentItemVectorView _view() const override;
  ComponentPurePartItemVectorView _pureItems() const override
  {
    return m_part_data->pureView();
  }
 
  ComponentImpurePartItemVectorView _impureItems() const override
  {
    return m_part_data->impureView();
  }
  ConstArrayView<Int32> _localIds() const override { return m_items_local_id.constView(); }
  IMeshMaterialMng* _materialMng() const override { return m_material_mng; }
  IMeshComponent* _component() const override { return m_component; }
  ConstituentItemLocalIdListView _constituentItemListView() const override
  {
    return m_constituent_list->view();
  }
  ConstArrayView<MatVarIndex> _matvarIndexes() const override
  {
    return m_matvar_indexes;
  }
 
 public:
 
  class SetItemHelper;
  // Methods that must be public for compilation with NVCC.
  void _setItems(SmallSpan<const Int32> local_ids) override;
  void _computeNbPureAndImpure(SmallSpan<const Int32> local_ids, RunQueue& queue);
 
 private:
 
  void _computeNbPureAndImpureLegacy(SmallSpan<const Int32> local_ids);
  void _recomputePartData();
 
 public:
 
  IMeshMaterialMng* m_material_mng = nullptr;
  IMeshComponent* m_component = nullptr;
  UniqueArray<MatVarIndex> m_matvar_indexes;
  UniqueArray<Int32> m_items_local_id;
  std::unique_ptr<MeshComponentPartData> m_part_data;
  std::unique_ptr<ConstituentItemLocalIdList> m_constituent_list;
  ComponentItemSharedInfo* m_component_shared_info = nullptr;
 
  FunctorT<ConstituentItemVectorImpl> m_recompute_part_data_functor;
  // Only useful for on-the-fly recalculation
  Int32 m_nb_pure = 0;
  // Only useful for on-the-fly recalculation
  Int32 m_nb_impure = 0;
};
 
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} // End namespace Arcane::Materials
 
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#endif