/**
* Adds $delta to all Rank values that are >= $first and <= $last.
* '$delta' can also be negative.
*
* @param int $delta Value to be shifted by, can be negative
* @param int $first First node to be shifted
* @param int $last Last node to be shifted
* @param PropelPDO $con Connection to use.
*/
public static function shiftRank($delta, $first, $last = null, PropelPDO $con = null)
{
if ($con === null) {
$con = Propel::getConnection(AbsenceEleveLieuPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
}
$whereCriteria = new Criteria(AbsenceEleveLieuPeer::DATABASE_NAME);
$criterion = $whereCriteria->getNewCriterion(AbsenceEleveLieuPeer::RANK_COL, $first, Criteria::GREATER_EQUAL);
if (null !== $last) {
$criterion->addAnd($whereCriteria->getNewCriterion(AbsenceEleveLieuPeer::RANK_COL, $last, Criteria::LESS_EQUAL));
}
$whereCriteria->add($criterion);
$valuesCriteria = new Criteria(AbsenceEleveLieuPeer::DATABASE_NAME);
$valuesCriteria->add(AbsenceEleveLieuPeer::RANK_COL, array('raw' => AbsenceEleveLieuPeer::RANK_COL . ' + ?', 'value' => $delta), Criteria::CUSTOM_EQUAL);
BasePeer::doUpdate($whereCriteria, $valuesCriteria, $con);
AbsenceEleveLieuPeer::clearInstancePool();
}
/**
* Removes this object from datastore and sets delete attribute.
*
* @param PropelPDO $con
* @return void
* @throws PropelException
* @see BaseObject::setDeleted()
* @see BaseObject::isDeleted()
*/
public function delete(PropelPDO $con = null)
{
if ($this->isDeleted()) {
throw new PropelException("This object has already been deleted.");
}
if ($con === null) {
$con = Propel::getConnection(AbsenceEleveLieuPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
}
$con->beginTransaction();
try {
$deleteQuery = AbsenceEleveLieuQuery::create()
->filterByPrimaryKey($this->getPrimaryKey());
$ret = $this->preDelete($con);
// sortable behavior
AbsenceEleveLieuPeer::shiftRank(-1, $this->getSortableRank() + 1, null, $con);
AbsenceEleveLieuPeer::clearInstancePool();
if ($ret) {
$deleteQuery->delete($con);
$this->postDelete($con);
$con->commit();
$this->setDeleted(true);
} else {
$con->commit();
}
} catch (Exception $e) {
$con->rollBack();
throw $e;
}
}
