def _set_openflow_controller(self, v, load=False):
    """
    Setter method for openflow_controller, mapped from YANG variable /openflow_controller (list)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_openflow_controller is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_openflow_controller() directly.

    YANG Description: OpenFlow controller configuration
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=YANGListType("controller_name",openflow_controller.openflow_controller, yang_name="openflow-controller", rest_name="openflow-controller", parent=self, is_container='list', user_ordered=False, path_helper=self._path_helper, yang_keys='controller-name', extensions={u'tailf-common': {u'info': u'OpenFlow controller configuration', u'cli-no-key-completion': None, u'sort-priority': u'66', u'cli-suppress-list-no': None, u'cli-suppress-key-abbreviation': None, u'cli-no-match-completion': None, u'callpoint': u'OpenFlowGlobalController'}}), is_container='list', yang_name="openflow-controller", rest_name="openflow-controller", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'OpenFlow controller configuration', u'cli-no-key-completion': None, u'sort-priority': u'66', u'cli-suppress-list-no': None, u'cli-suppress-key-abbreviation': None, u'cli-no-match-completion': None, u'callpoint': u'OpenFlowGlobalController'}}, namespace='urn:brocade.com:mgmt:brocade-openflow', defining_module='brocade-openflow', yang_type='list', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """openflow_controller must be of a type compatible with list""",
          'defined-type': "list",
          'generated-type': """YANGDynClass(base=YANGListType("controller_name",openflow_controller.openflow_controller, yang_name="openflow-controller", rest_name="openflow-controller", parent=self, is_container='list', user_ordered=False, path_helper=self._path_helper, yang_keys='controller-name', extensions={u'tailf-common': {u'info': u'OpenFlow controller configuration', u'cli-no-key-completion': None, u'sort-priority': u'66', u'cli-suppress-list-no': None, u'cli-suppress-key-abbreviation': None, u'cli-no-match-completion': None, u'callpoint': u'OpenFlowGlobalController'}}), is_container='list', yang_name="openflow-controller", rest_name="openflow-controller", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'OpenFlow controller configuration', u'cli-no-key-completion': None, u'sort-priority': u'66', u'cli-suppress-list-no': None, u'cli-suppress-key-abbreviation': None, u'cli-no-match-completion': None, u'callpoint': u'OpenFlowGlobalController'}}, namespace='urn:brocade.com:mgmt:brocade-openflow', defining_module='brocade-openflow', yang_type='list', is_config=True)""",
        })

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

    YANG Description: OpenFlow controller configuration