/** @brief Constructs new instance with appropriate sort mode/order.
*
* @param $mode [in] Sort mode (see AfsFacetValuesSortMode for details).
* @param $order [in] Sort order (see AfsSortOrder for details).
*/
public function __construct($mode, $order)
{
AfsFacetValuesSortMode::check_value($mode, 'Invalid facet values sort mode: ');
AfsSortOrder::check_value($order, 'Invalid facet values sort order: ');
$this->mode = $mode;
$this->order = $order;
}
public static function check_value($value, $msg = null)
{
if (is_null(self::$instance)) {
self::$instance = new self();
}
BasicEnum::check_val(self::$instance, $value, $msg);
}
