[jira] [Commented] (WICKET-3165) Queueing model for multiple AJAX requests

["Martin Grigorov (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/WICKET-3165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233359#comment-13233359 ] 

Martin Grigorov commented on WICKET-3165:
-----------------------------------------

Calling several listener interfaces in one Ajax request and returning <ajax-response> for each of them is easy to do. The complexity comes when an Ajax call makes form submittion or needs to send custom headers. In these cases it wont be easy to differentiate which headers/parameters are part of which Ajax call at the server side. I can imagine this implemented with prefixes for the headers and parameters for the different parts of the combined Ajax call but this will be too complex.
                
> Queueing model for multiple AJAX requests
> -----------------------------------------
>
>                 Key: WICKET-3165
>                 URL: https://issues.apache.org/jira/browse/WICKET-3165
>             Project: Wicket
>          Issue Type: New Feature
>          Components: wicket
>            Reporter: John Armstrong
>
> Currently wicket ajax requests can block.
> This feature request suggests a queuing model where multiple ajax requests made during some given time horizon (100ms for example, configurable) are bundled together and sent as one request to a dispatcher. The server satisfies these and then returns them as a single result.
> Wicket on the client side would then dispatch these to their callers.
> The result is what appears to be multiple simultaneous AJAX requests.
> EXT-JS uses this concept and even though it is a pure client side framework it may be an interesting model to reference.
> From Users list
> Thread title: Wicket design incompatible with Web 2.0
> Specific Excerpt
> -----------------------
> not a bad idea. we already have a concept of "channels", but right now
> they can only queue or drop requests. with some work it should be
> possible to add an "aggregate" mode and process multiple callbacks
> within the same request. please file a jira issue.
> -igor
> - Hide quoted text -
> On Fri, Nov 12, 2010 at 11:44 AM, John Armstrong <si...@siberian.org> wrote:
> > EXT-JS does a nice queueing model where you can set a queue timer (say
> > 100ms) and any AJAX requests get bundled up into a single package that
> > goes across the wire at once, returning and then being sent back to
> > their callers.
> >
> > This lets a page update many components at once in what appears to be
> > real-time without blocking.
> >
> > Might be an interesting model for wicket at some point in the future.
> >
> > Yes, I know, EST-JS is a client-side framework. I am only using it as
> > an example of how some stacks are resolving these sorts of issues.
> >
> > John-

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