def _set_destination_ip_mask(self, v, load=False):
    '\n    Setter method for destination_ip_mask, mapped from YANG variable /openflow_state/flow_id/destination_ip_mask (string)\n    If this variable is read-only (config: false) in the\n    source YANG file, then _set_destination_ip_mask is considered as a private\n    method. Backends looking to populate this variable should\n    do so via calling thisObj._set_destination_ip_mask() directly.\n\n    YANG Description: Destination IPv4 Mask\n    '
    if hasattr(v, '_utype'):
        v = v._utype(v)
    try:
        t = YANGDynClass(v, base=unicode, is_leaf=True, yang_name='destination-ip-mask', rest_name='destination-ip-mask', parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, namespace='urn:brocade.com:mgmt:brocade-openflow-operational', defining_module='brocade-openflow-operational', yang_type='string', is_config=False)
    except (TypeError, ValueError):
        raise ValueError({'error-string': 'destination_ip_mask must be of a type compatible with string', 'defined-type': 'string', 'generated-type': 'YANGDynClass(base=unicode, is_leaf=True, yang_name="destination-ip-mask", rest_name="destination-ip-mask", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, namespace=\'urn:brocade.com:mgmt:brocade-openflow-operational\', defining_module=\'brocade-openflow-operational\', yang_type=\'string\', is_config=False)'})
    self.__destination_ip_mask = t
    if hasattr(self, '_set'):
        self._set()
Setter method for destination_ip_mask, mapped from YANG variable /openflow_state/flow_id/destination_ip_mask (string)
If this variable is read-only (config: false) in the
source YANG file, then _set_destination_ip_mask is considered as a private
method. Backends looking to populate this variable should
do so via calling thisObj._set_destination_ip_mask() directly.

YANG Description: Destination IPv4 Mask
def _set_destination_ip_mask(self, v, load=False):
    '\n    Setter method for destination_ip_mask, mapped from YANG variable /openflow_state/flow_id/destination_ip_mask (string)\n    If this variable is read-only (config: false) in the\n    source YANG file, then _set_destination_ip_mask is considered as a private\n    method. Backends looking to populate this variable should\n    do so via calling thisObj._set_destination_ip_mask() directly.\n\n    YANG Description: Destination IPv4 Mask\n    '
    if hasattr(v, '_utype'):
        v = v._utype(v)
    try:
        t = YANGDynClass(v, base=unicode, is_leaf=True, yang_name='destination-ip-mask', rest_name='destination-ip-mask', parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, namespace='urn:brocade.com:mgmt:brocade-openflow-operational', defining_module='brocade-openflow-operational', yang_type='string', is_config=False)
    except (TypeError, ValueError):
        raise ValueError({'error-string': 'destination_ip_mask must be of a type compatible with string', 'defined-type': 'string', 'generated-type': 'YANGDynClass(base=unicode, is_leaf=True, yang_name="destination-ip-mask", rest_name="destination-ip-mask", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, namespace=\'urn:brocade.com:mgmt:brocade-openflow-operational\', defining_module=\'brocade-openflow-operational\', yang_type=\'string\', is_config=False)'})
    self.__destination_ip_mask = t
    if hasattr(self, '_set'):
        self._set()