public function getNgRegPeriodRulesJoinAcademicCostComponent($criteria = null, $con = null) { include_once 'lib/model/om/BaseNgRegPeriodRulePeer.php'; if ($criteria === null) { $criteria = new Criteria(); } elseif ($criteria instanceof Criteria) { $criteria = clone $criteria; } if ($this->collNgRegPeriodRules === null) { if ($this->isNew()) { $this->collNgRegPeriodRules = array(); } else { $criteria->add(NgRegPeriodRulePeer::NG_REG_PERIOD_ID, $this->getId()); $this->collNgRegPeriodRules = NgRegPeriodRulePeer::doSelectJoinAcademicCostComponent($criteria, $con); } } else { $criteria->add(NgRegPeriodRulePeer::NG_REG_PERIOD_ID, $this->getId()); if (!isset($this->lastNgRegPeriodRuleCriteria) || !$this->lastNgRegPeriodRuleCriteria->equals($criteria)) { $this->collNgRegPeriodRules = NgRegPeriodRulePeer::doSelectJoinAcademicCostComponent($criteria, $con); } } $this->lastNgRegPeriodRuleCriteria = $criteria; return $this->collNgRegPeriodRules; }