public function getSubjectsJoinSubjectGroup($criteria = null, $con = null) { include_once 'lib/model/om/BaseSubjectPeer.php'; if ($criteria === null) { $criteria = new Criteria(); } elseif ($criteria instanceof Criteria) { $criteria = clone $criteria; } if ($this->collSubjects === null) { if ($this->isNew()) { $this->collSubjects = array(); } else { $criteria->add(SubjectPeer::DEPARTMENT_ID, $this->getId()); $this->collSubjects = SubjectPeer::doSelectJoinSubjectGroup($criteria, $con); } } else { $criteria->add(SubjectPeer::DEPARTMENT_ID, $this->getId()); if (!isset($this->lastSubjectCriteria) || !$this->lastSubjectCriteria->equals($criteria)) { $this->collSubjects = SubjectPeer::doSelectJoinSubjectGroup($criteria, $con); } } $this->lastSubjectCriteria = $criteria; return $this->collSubjects; }