server-to-client event push - Re: relationship query and cache refreshing in 3tier cayenne

From: Tore Halset (halse..vv.ntnu.no)
Date: Wed May 14 2008 - 16:42:00 EDT

  • Next message: Andrus Adamchik: "Re: server-to-client event push - Re: relationship query and cache refreshing in 3tier cayenne"

    Hello.

    On 14. mai. 2008, at 00.46, Andrus Adamchik wrote:

    > (2) Setup server-to-client event push. I did that in the past with a
    > always-on XMPP connection in parallel with the main HTTPS data
    > channel (I know it worked for object updates... it needs to be
    > extended to cache groups invalidation). For a long time I wanted to
    > investigate Jetty Continuations (and more generally, queuing events
    > on the server for each live client, and letting client frequently
    > poll for events). This would allow to reuse the main ROP connection,
    > but this needs to be developed yet.

    It looks like the thing Jetty are doing with Continuations will be
    standardized in Servlet 3.0

    http://blogs.webtide.com:80/gregw/2008/04/28/1209355449829.html

    Regards,
      - Tore.

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