/**
* 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;
}
