public static function down(DAOConnected $object, LogicalObject $exp = null)
{
$getMethod = 'get' . ucfirst(self::$property);
Assert::isTrue(method_exists($object, $getMethod));
$oldPosition = $object->{$getMethod}();
$criteria = Criteria::create($object->dao())->add(Expression::gt(self::$property, $oldPosition))->addOrder(OrderBy::create(self::$property)->asc())->setLimit(1);
if ($exp) {
$criteria->add($exp);
}
if ($lowerObject = $criteria->get()) {
DaoUtils::setNullValue(self::$nullValue);
DaoUtils::swap($lowerObject, $object, self::$property);
}
}
public static function setNullValue($nullValue)
{
self::$nullValue = $nullValue;
}
