public function getClassAbsencesJoinAcademicCalendar($criteria = null, $con = null) { include_once 'lib/model/om/BaseClassAbsencePeer.php'; if ($criteria === null) { $criteria = new Criteria(); } elseif ($criteria instanceof Criteria) { $criteria = clone $criteria; } if ($this->collClassAbsences === null) { if ($this->isNew()) { $this->collClassAbsences = array(); } else { $criteria->add(ClassAbsencePeer::CLASS_GROUP_ID, $this->getId()); $this->collClassAbsences = ClassAbsencePeer::doSelectJoinAcademicCalendar($criteria, $con); } } else { $criteria->add(ClassAbsencePeer::CLASS_GROUP_ID, $this->getId()); if (!isset($this->lastClassAbsenceCriteria) || !$this->lastClassAbsenceCriteria->equals($criteria)) { $this->collClassAbsences = ClassAbsencePeer::doSelectJoinAcademicCalendar($criteria, $con); } } $this->lastClassAbsenceCriteria = $criteria; return $this->collClassAbsences; }