/** * Filter the query by a related GroupRole object * * @param GroupRole|PropelObjectCollection $groupRole the related object to use as filter * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL * * @return GroupQuery The current query, for fluid interface * @throws PropelException - if the provided filter is invalid. */ public function filterByGroupRole($groupRole, $comparison = null) { if ($groupRole instanceof GroupRole) { return $this->addUsingAlias(GroupPeer::ID, $groupRole->getGroupId(), $comparison); } elseif ($groupRole instanceof PropelObjectCollection) { return $this->useGroupRoleQuery()->filterByPrimaryKeys($groupRole->getPrimaryKeys())->endUse(); } else { throw new PropelException('filterByGroupRole() only accepts arguments of type GroupRole or PropelCollection'); } }