// Copyright (c) 2017 CNRS and LIRIS' Establishments (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s)     : Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
//
#ifndef CGAL_CELL_ATTRIBUTE_WITH_ID_H
#define CGAL_CELL_ATTRIBUTE_WITH_ID_H 1

#include <CGAL/Cell_attribute.h>
namespace CGAL {

  template <class, class, class, class>
  class Compact_container;

  template <class, class>
  class Concurrent_compact_container;

  namespace internal {

  template<class, class>
  struct Init_id;

  } // end namespace internal

  // A cell attribute with an id, when Info_!=void
  template <class Refs, class Info_=void, class Tag_=Tag_true,
            class OnMerge=Null_functor,
            class OnSplit=Null_functor>
  class Cell_attribute_with_id: public Cell_attribute
      <Refs, Info_, Tag_, OnMerge, OnSplit, Tag_true>
  {
    template <class, class, class, class>
    friend class Compact_container;

    template <class, class>
    friend class Concurrent_compact_container;

  protected:
    /// Default constructor.
    Cell_attribute_with_id()
    {}

    /// Constructor with an info in parameter.
    Cell_attribute_with_id(const Info_& ainfo) :
      Cell_attribute<Refs, Info_, Tag_, OnMerge, OnSplit, Tag_true>(ainfo)
    {}
  };

  /// Specialization when Info==void.
  template <class Refs, class Tag_, class OnMerge, class OnSplit>
  class Cell_attribute_with_id<Refs, void, Tag_, OnMerge, OnSplit>:
      public Cell_attribute<Refs, void, Tag_, OnMerge, OnSplit, Tag_true>
  {
    template <class, class, class, class>
    friend class Compact_container;

    template <class, class>
    friend class Concurrent_compact_container;

  protected:
    /// Default constructor.
    Cell_attribute_with_id()
    {}
  };

} // namespace CGAL

#endif // CGAL_CELL_ATTRIBUTE_WITH_ID_H //
// EOF //