public E pollFirst()

in component-dsl/src/main/java/org/apache/aries/component/dsl/internal/ConcurrentDoublyLinkedList.java [318:326]

• 9 lines of code
• 4 McCabe index (conditional complexity)

    public E pollFirst() {
        for (;;) {
            NodeImpl<E> n = header.successor();
            if (!usable(n))
                return null;
            if (n.delete())
                return n.element;
        }
    }