docs: def set_cognitive_process(self, grade_id):
          """Sets the cognitive process.
  
          arg:    grade_id (osid.id.Id): the new cognitive process
          raise:  InvalidArgument - ``grade_id`` is invalid
          raise:  NoAccess - ``grade_id`` cannot be modified
          raise:  NullArgument - ``grade_id`` is ``null``
          *compliance: mandatory -- This method must be implemented.*
  
          """
          # Implemented from template for osid.resource.ResourceForm.set_avatar_template
          if self.get_cognitive_process_metadata().is_read_only():
              raise errors.NoAccess()
          if not self._is_valid_id(grade_id):
              raise errors.InvalidArgument()
          self._my_map['cognitiveProcessId'] = str(grade_id)