public function isRolledback( $transaction = RecordManager::TRANSACTIONS_ALL )
    {
        $output = false;
        foreach( $this->getStatus($transaction) as $transaction => $transactionStatus ) {
            foreach( $transactionStatus as $status ) {
                $output = ( $output || $status === self::ROLLEDBACK || $status === self::FAILED );
            }
        }
        return $output;
    }