making async call(kind of recursive) inside onsuccess()

I have a method that makes async call and Onsuccess(), it should make this async call again with new set of data and it should continue till the application is alive. Kindly suggest me few options. Also, do we need Timer to achieve this?

--
You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group.
To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscribe@googlegroups.com.
To post to this group, send email to google-web-toolkit@googlegroups.com.
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/groups/opt_out.