public function getSubjectTransfers($criteria = null, $con = null)
{
include_once 'lib/model/om/BaseSubjectTransferPeer.php';
if ($criteria === null) {
$criteria = new Criteria();
} elseif ($criteria instanceof Criteria) {
$criteria = clone $criteria;
}
if ($this->collSubjectTransfers === null) {
if ($this->isNew()) {
$this->collSubjectTransfers = array();
} else {
$criteria->add(SubjectTransferPeer::GRADE_CONVERSION_ID, $this->getId());
SubjectTransferPeer::addSelectColumns($criteria);
$this->collSubjectTransfers = SubjectTransferPeer::doSelect($criteria, $con);
}
} else {
if (!$this->isNew()) {
$criteria->add(SubjectTransferPeer::GRADE_CONVERSION_ID, $this->getId());
SubjectTransferPeer::addSelectColumns($criteria);
if (!isset($this->lastSubjectTransferCriteria) || !$this->lastSubjectTransferCriteria->equals($criteria)) {
$this->collSubjectTransfers = SubjectTransferPeer::doSelect($criteria, $con);
}
}
}
$this->lastSubjectTransferCriteria = $criteria;
return $this->collSubjectTransfers;
}
public static function retrieveByPKs($pks, $con = null)
{
if ($con === null) {
$con = Propel::getConnection(self::DATABASE_NAME);
}
$objs = null;
if (empty($pks)) {
$objs = array();
} else {
$criteria = new Criteria();
$criteria->add(SubjectTransferPeer::ID, $pks, Criteria::IN);
$objs = SubjectTransferPeer::doSelect($criteria, $con);
}
return $objs;
}