/** * Get the associated Sites object * * @param PropelPDO Optional Connection object. * @return Sites The associated Sites object. * @throws PropelException */ public function getSites(PropelPDO $con = null) { if ($this->aSites === null && $this->site_id !== null) { $this->aSites = SitesPeer::retrieveByPk($this->site_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. $this->aSites->addUsuarisSitess($this); */ } return $this->aSites; }