/** * Gets a single UserTutor object, which is related to this object by a one-to-one relationship. * * @param PropelPDO $con * @return UserTutor * @throws PropelException */ public function getUserTutor(PropelPDO $con = null) { if ($this->singleUserTutor === null && !$this->isNew()) { $this->singleUserTutor = UserTutorPeer::retrieveByPK($this->id, $con); } return $this->singleUserTutor; }