def _set_frr_cspf_group_computation_mode(self, v, load=False):
    """
    Setter method for frr_cspf_group_computation_mode, mapped from YANG variable /mpls_state/rsvp/sessions/psbs/frr_cspf_group_computation_mode (frr-cspf-group-computation-mode)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_frr_cspf_group_computation_mode is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_frr_cspf_group_computation_mode() directly.

    YANG Description: CSPF group computation mode
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'frr-cspf-group-comp-mode-add-penalty': {'value': 1}, u'frr-cspf-group-comp-mode-high-penalty': {'value': 3}, u'frr-cspf-group-comp-mode-exclude-groups': {'value': 2}, u'frr-cspf-group-comp-mode-disabled': {'value': 0}},), is_leaf=True, yang_name="frr-cspf-group-computation-mode", rest_name="frr-cspf-group-computation-mode", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, namespace='urn:brocade.com:mgmt:brocade-mpls-operational', defining_module='brocade-mpls-operational', yang_type='frr-cspf-group-computation-mode', is_config=False)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """frr_cspf_group_computation_mode must be of a type compatible with frr-cspf-group-computation-mode""",
          'defined-type': "brocade-mpls-operational:frr-cspf-group-computation-mode",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'frr-cspf-group-comp-mode-add-penalty': {'value': 1}, u'frr-cspf-group-comp-mode-high-penalty': {'value': 3}, u'frr-cspf-group-comp-mode-exclude-groups': {'value': 2}, u'frr-cspf-group-comp-mode-disabled': {'value': 0}},), is_leaf=True, yang_name="frr-cspf-group-computation-mode", rest_name="frr-cspf-group-computation-mode", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, namespace='urn:brocade.com:mgmt:brocade-mpls-operational', defining_module='brocade-mpls-operational', yang_type='frr-cspf-group-computation-mode', is_config=False)""",
        })

    self.__frr_cspf_group_computation_mode = t
    if hasattr(self, '_set'):
      self._set()