property_pool.h

// ---------------------------------------------------------------------
//
// Copyright (C) 2017 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, 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.
// The full text of the license can be found in the file LICENSE at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------

#ifndef dealii_particles_property_pool_h
#define dealii_particles_property_pool_h

#include <deal.II/base/array_view.h>

DEAL_II_NAMESPACE_OPEN

namespace Particles
{
  class PropertyPool
  {
  public:
    typedef double *Handle;

    static const Handle invalid_handle;

    PropertyPool (const unsigned int n_properties_per_slot);

    Handle allocate_properties_array ();

    void deallocate_properties_array (const Handle handle);

    ArrayView<double> get_properties (const Handle handle);

    void reserve(const std::size_t size);

    unsigned int n_properties_per_slot() const;

  private:
    const unsigned int n_properties;
  };


}

DEAL_II_NAMESPACE_CLOSE

#endif