reference_counted_object.h

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// The libMesh Finite Element Library.
// Copyright (C) 2002-2023 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner

// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



#ifndef LIBMESH_REFERENCE_COUNTED_OBJECT_H
#define LIBMESH_REFERENCE_COUNTED_OBJECT_H

// Local includes
#include "libmesh/reference_counter.h"

// C++ includes
#include <typeinfo>

namespace libMesh
{

template <typename T>
class ReferenceCountedObject : public ReferenceCounter
{
protected:

  ReferenceCountedObject ()
  {
#if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)

    increment_constructor_count(typeid(T).name());

#endif
  }

  ReferenceCountedObject (const ReferenceCountedObject & other)
    : ReferenceCounter(other)
  {
#if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)

    increment_constructor_count(typeid(T).name());

#endif
  }

  ReferenceCountedObject(ReferenceCountedObject && other) noexcept
    : ReferenceCounter(std::move(other))
  {
#if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)

    increment_constructor_count(typeid(T).name());

#endif
  }

  ReferenceCountedObject & operator= (const ReferenceCountedObject & /*other*/)
  {
    return *this;
  }


public:

  ~ReferenceCountedObject ()
  {
#if defined(LIBMESH_ENABLE_REFERENCE_COUNTING) && defined(DEBUG)

    increment_destructor_count(typeid(T).name());

#endif
  }
};


} // namespace libMesh


#endif // LIBMESH_REFERENCE_COUNTED_OBJECT_H