protected T getElement()

in src/main/java/org/apache/sling/query/impl/iterator/tree/BfsTreeIterator.java [43:56]

• 12 lines of code
• 3 McCabe index (conditional complexity)

    protected T getElement() {
        if (currentIterator.hasNext()) {
            T resource = currentIterator.next();
            queue.add(resource);
            return resource;
        }

        if (!queue.isEmpty()) {
            currentIterator = provider.listChildren(queue.pop());
            return getElement();
        }

        return null;
    }