public Iterator iterator()

in src/main/java/software/amazon/qldb/StreamResult.java [100:107]

• 7 lines of code
• 2 McCabe index (conditional complexity)

    public Iterator<IonValue> iterator() {
        if (isRetrieved.getAndSet(true)) {
            logger.error(Errors.STREAM_RESULT_ITERATED.get());
            throw new IllegalStateException(Errors.STREAM_RESULT_ITERATED.get());
        }

        return childItr;
    }