/** * Get the associated PeriodoSc object * * @param PropelPDO Optional Connection object. * @return PeriodoSc The associated PeriodoSc object. * @throws PropelException */ public function getPeriodoSc(PropelPDO $con = null) { if ($this->aPeriodoSc === null && $this->periodo_id !== null) { $this->aPeriodoSc = PeriodoScPeer::retrieveByPk($this->periodo_id); /* The following can be used additionally to guarantee the related object contains a reference to this object. This level of coupling may, however, be undesirable since it could result in an only partially populated collection in the referenced object. $this->aPeriodoSc->addTreeScs($this); */ } return $this->aPeriodoSc; }