public function getScoreRuleSubjectRelatedByParent($con = null) { include_once 'lib/model/om/BaseScoreRuleSubjectPeer.php'; if ($this->aScoreRuleSubjectRelatedByParent === null && $this->parent !== null) { $this->aScoreRuleSubjectRelatedByParent = ScoreRuleSubjectPeer::retrieveByPK($this->parent, $con); } return $this->aScoreRuleSubjectRelatedByParent; }