sub_ptr.hpp

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#ifndef DART_COMMON_SUB_PTR_HPP_
#define DART_COMMON_SUB_PTR_HPP_

#include "dart/common/Observer.hpp"

namespace dart {
namespace common {

template <class T>
class sub_ptr : public Observer
{
public:
  sub_ptr();

  sub_ptr(T* _ptr);

  sub_ptr(const sub_ptr& other);

  sub_ptr& operator=(const sub_ptr& _sp);

  sub_ptr& operator=(T* _ptr);

  operator T*() const;

  T& operator*() const;

  T* operator->() const;

  T* get() const;

  void set(T* _ptr);

  bool valid();

protected:
  void handleDestructionNotification(const Subject* _subject) override;

  T* mT;

  Subject* mSubjectBase;
};

} // namespace common

// Make an alias for sub_ptr in the dart namespace for convenience
template <class T>
using sub_ptr = common::sub_ptr<T>;

} // namespace dart

#include "dart/common/detail/sub_ptr.hpp"

#endif // DART_COMMON_SUB_PTR_HPP_