Scala with the Lift framework has an excellent mechanism of supporting Comet and concurrency with very few lines of code. I'm planning to build an example showing both BlazeDS and Comet integration of an OpenLaszlo app with a Scala/Lift backend. Scala implemented the Erlang specific Actor based approach for concurrency, reducing the complexity of handling threads drastically.

- Raju

On Aug 20, 2009, at 2:33 PM, Sebastian Wagner wrote:

I will have to think about a solution that gets into my project earlier. I thought it would easiest to integrate into javaRPC. So that it does require only minimalistic code changes for the client site. But to be honest, changing the RPC-Servlet that generates the return values of javaRPC seems to be that kind of central component that it could be hard to integrate. Although I think I will have to make a separate servlet to implement weather a long poll or any of the other Comet mechanisms. I will have to query the docs how others did that.

I also saw on Servlet Specs 3.0 that they will include a native support for Comet mechanisms.
http://jcp.org/en/jsr/detail?id=315


sebastian

2009/8/19 Max Carlson <[email protected]>
I've only looked at this a little. It seems like building out OpenAjax Hub support would buy us more - then we could hook into DWR or Dojo, and not just for push!

This is a longer-term project though...

Sebastian Wagner wrote:
hi,


a quite long term requirement on my list is to realize a Ajax Push Mechanism to have a equivalent to a rtmpconnection in pure HTTP.
Does any dev already work on this Issue?


thanks,
sebastian

--
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
[email protected] <mailto:[email protected]>

--
Regards,
Max Carlson
OpenLaszlo.org



--
Sebastian Wagner
http://www.webbase-design.de
http://openmeetings.googlecode.com
http://www.laszlo-forum.de
[email protected]

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