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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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#ifndef RELEASE_RESOURCE_REF_COUNT_PTR_H
#define RELEASE_RESOURCE_REF_COUNT_PTR_H

#include "ReleaseResource.hpp"
#include "Teuchos_RCP.hpp"

namespace MemMngPack {

/** \brief Template class that implements ReleaseResource interface for
 * a RCP<T> object.
 *
 * Note that ~ReleaseResource_ref_count_ptr() does not need to be
 * implemented since the compiler generated version will already
 * be correct.
 */
template <class T>
class ReleaseResource_ref_count_ptr : public ReleaseResource {
public:

  /** \brief . */
  typedef Teuchos::RCP<T>   ptr_t;

  /// Just give public access to pointer
  ptr_t  ptr;

  /// Construct from a pointer
  ReleaseResource_ref_count_ptr(const ptr_t& ptr);

  // ////////////////////////////////////
  // Overriddend from ReleaseResource

  /** \brief . */
  bool resource_is_bound() const;

}; // end class ReleaseResource_ref_count_ptr

// ////////////////////////////////
// Inline function definitions

template <class T>
inline
ReleaseResource_ref_count_ptr<T>::ReleaseResource_ref_count_ptr(const ptr_t& p)
  : ptr(p)
{}

// ///////////////////////////////
// Template function definitions

template <class T>
bool ReleaseResource_ref_count_ptr<T>::resource_is_bound() const
{
  return ptr.get() != 0;
}

} // end namespace MemMngPack

#endif // RELEASE_RESOURCE_REF_COUNT_PTR_H
