NodeImpl successor()

in component-dsl/src/main/java/org/apache/aries/component/dsl/internal/ConcurrentDoublyLinkedList.java [799:814]

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

    NodeImpl<E> successor() {
        NodeImpl<E> f = nextNonmarker();
        for (;;) {
            if (f == null)
                return null;
            if (!f.isDeleted()) {
                if (f.getPrev() != this && !isDeleted())
                    f.setPrev(this); // relink f's prev
                return f;
            }
            NodeImpl<E> s = f.nextNonmarker();
            if (f == getNext())
                casNext(f, s); // unlink f
            f = s;
        }
    }