def _set_operation(self, v, load=False):
    """
    Setter method for operation, mapped from YANG variable /rule/operation (rule-operation)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_operation is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_operation() directly.
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'read-write': {}, u'read-only': {}},), is_leaf=True, yang_name="operation", rest_name="operation", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Operation for the command', u'cli-optional-in-sequence': None}}, namespace='urn:brocade.com:mgmt:brocade-aaa', defining_module='brocade-aaa', yang_type='rule-operation', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """operation must be of a type compatible with rule-operation""",
          'defined-type': "brocade-aaa:rule-operation",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'read-write': {}, u'read-only': {}},), is_leaf=True, yang_name="operation", rest_name="operation", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Operation for the command', u'cli-optional-in-sequence': None}}, namespace='urn:brocade.com:mgmt:brocade-aaa', defining_module='brocade-aaa', yang_type='rule-operation', is_config=True)""",
        })

    self.__operation = t
    if hasattr(self, '_set'):
      self._set()
Setter method for operation, mapped from YANG variable /rule/operation (rule-operation)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_operation is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_operation() directly.