docs: def get_resource_id(self):
          """Gets the ``resource _id`` for this authorization.
  
          return: (osid.id.Id) - the ``Resource Id``
          raise:  IllegalState - ``has_resource()`` is ``false``
          *compliance: mandatory -- This method must be implemented.*
  
          """
          # Implemented from template for osid.resource.Resource.get_avatar_id_template
          if not bool(self._my_map['resourceId']):
              raise errors.IllegalState('this Authorization has no resource')
          else:
              return Id(self._my_map['resourceId'])