/** * Get the associated TreeSc object * * @param PropelPDO Optional Connection object. * @return TreeSc The associated TreeSc object. * @throws PropelException */ public function getTreeSc(PropelPDO $con = null) { if ($this->aTreeSc === null && $this->tree_id !== null) { $this->aTreeSc = TreeScPeer::retrieveByPk($this->tree_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. $this->aTreeSc->addTreeUsers($this); */ } return $this->aTreeSc; }