public static function check_value($value, $msg = null)
{
if (is_null(self::$instance)) {
self::$instance = new self();
}
BasicEnum::check_val(self::$instance, $value, $msg);
}
/** @brief Constructs service object.
*
* @param $id [in] identifier of the desired service.
* @param $status [in] status of the desired service (see @ref AfsServiceStatus).
*
* @exception InvalidArgumentException when @a id or @a status is invalid.
*/
public function __construct($id, $status = AfsServiceStatus::STABLE)
{
if (!is_numeric($id)) {
throw new InvalidArgumentException('Service id must be integer, invalid value: ' . $id);
}
AfsServiceStatus::check_value($status, 'Invalid service status provided: ');
$this->id = $id;
$this->status = $status;
}
