public function getVSubjectAccalLectorStudents($criteria = null, $con = null)
{
include_once 'lib/model/om/BaseVSubjectAccalLectorStudentPeer.php';
if ($criteria === null) {
$criteria = new Criteria();
} elseif ($criteria instanceof Criteria) {
$criteria = clone $criteria;
}
if ($this->collVSubjectAccalLectorStudents === null) {
if ($this->isNew()) {
$this->collVSubjectAccalLectorStudents = array();
} else {
$criteria->add(VSubjectAccalLectorStudentPeer::EMPLOYEE_ID, $this->getId());
VSubjectAccalLectorStudentPeer::addSelectColumns($criteria);
$this->collVSubjectAccalLectorStudents = VSubjectAccalLectorStudentPeer::doSelect($criteria, $con);
}
} else {
if (!$this->isNew()) {
$criteria->add(VSubjectAccalLectorStudentPeer::EMPLOYEE_ID, $this->getId());
VSubjectAccalLectorStudentPeer::addSelectColumns($criteria);
if (!isset($this->lastVSubjectAccalLectorStudentCriteria) || !$this->lastVSubjectAccalLectorStudentCriteria->equals($criteria)) {
$this->collVSubjectAccalLectorStudents = VSubjectAccalLectorStudentPeer::doSelect($criteria, $con);
}
}
}
$this->lastVSubjectAccalLectorStudentCriteria = $criteria;
return $this->collVSubjectAccalLectorStudents;
}
public static function retrieveByPK($subject_accal_id, $class_group_id, $con = null)
{
if ($con === null) {
$con = Propel::getConnection(self::DATABASE_NAME);
}
$criteria = new Criteria();
$criteria->add(VSubjectAccalLectorStudentPeer::SUBJECT_ACCAL_ID, $subject_accal_id);
$criteria->add(VSubjectAccalLectorStudentPeer::CLASS_GROUP_ID, $class_group_id);
$v = VSubjectAccalLectorStudentPeer::doSelect($criteria, $con);
return !empty($v) ? $v[0] : null;
}