code: public TimerType<MessageDrivenBeanType<T>> getOrCreateTimer()
     {
        List<Node> nodeList = childNode.get("timer");
        if (nodeList != null &&  nodeList.size() > 0)
        {
           return new TimerTypeImpl<MessageDrivenBeanType<T>>(this, "timer", childNode, nodeList.get(0));
        }
        return createTimer();
     }
docs: If not already created, a new <code>timer</code> element will be created and returned.
  Otherwise, the first existing <code>timer</code> element will be returned.
  @return the instance defined for the element <code>timer</code>