JSF2使用Ajax重新呈现/更新ui：重复列表

I have a ui:repeat list which pulls a bunch of values off my DB & I use it in a jQuery based news-ticker. I am trying to get this list to update/re-render via ajax periodically as I am effectively displaying the latest news entries into my db, using the primefaces p:poll method.I have a ui:repeat list which pulls a bunch of