public function __construct($topic_id, \Exception $previous = null, $code = 0)
{
parent::__construct('NO_TOPIC', array($topic_id), $previous, $code);
}
public function __construct($forum_id, \Exception $previous = null, $code = 0)
{
parent::__construct('NO_FORUM', array($forum_id), $previous, $code);
}
public function __construct(\Exception $previous = null, $code = 0)
{
parent::__construct('NO_FEED', array(), $previous, $code);
}