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From M Huzaifah <mhuzaifah.i...@gmail.com>
Subject Re: Update views how to ?
Date Wed, 27 Nov 2019 03:56:16 GMT
Hi Yasser,

Thank you for your information, glad to hear that struts2 going to have
Async actions support. until this day, i use DWR for sync and Async.
this feature make me easy build app using strtus2.

Regards

On Sun, Nov 24, 2019 at 3:09 PM Yasser Zamani <yasserzamani@apache.org>
wrote:

> Hi Zahid,
>
> Additionally, AFAIK...
>
> If your users are a lot, then I think you have to wait for Struts 2.6
> release where I've added support for Async actions. For an instance usage
> see my example at [1] (you can try it via running Struts 2.6 snapshot
> showcase - it's a simple chat room i.e. classic usage of server push).
>
> Otherwise or anyway, for now, you can try if Struts ExecAndWait is able to
> handle your users.
>
> Regards.
>
> [1]
> https://github.com/apache/struts/pull/179/commits/aee171c3b8ad401006612c4df44ed540fb2ed7e3
>
> >-----Original Message-----
> >From: M Huzaifah <mhuzaifah.ivan@gmail.com>
> >Sent: Friday, November 22, 2019 6:57 AM
> >To: Struts Users Mailing List <user@struts.apache.org>
> >Subject: Re: Update views how to ?
> >
> >Hi,
> >
> >You should use stream mecanism for that case. What i've done, i used JMS,
> >message-broker, which mean the browser always listen to message-broker
> server
> >using websocket (STOMP,AMQP,etc). When backend push message to the broker
> >server, browser automatically receive and render the message to the
> browser. I
> >use ActiveMQ over MQTT, and render the message using javascript in
> browser.
> >
> >You can find another stream mecanism or reactive application example out
> there.
> >
> >Regards
> >
> >On Fri, Nov 22, 2019, 10:06 Zahid Rahman <zahidr1000@gmail.com> wrote:
> >
> >> Hi,
> >>
> >> I have an admin screen (jsp) where  the administrator updates values
> i.e.
> >> current weather temperature, cricket , football score, death counter
> >> showing people killed by knife crime in a city, natural causes , car
> >> accidents etc.
> >>
> >>
> >> I have at least two users who are looking at the current temperature
> >> or game score etc. (JSP).
> >>
> >> Once the administrator updates the values , the data viewed by the two
> >> users In their browser is now stale data , due to the fact the web
> >> browser is based on a stateless pull model.
> >>
> >> Is there an example app or maven  archetype which shows how I can
> >> update or  refresh  the views (JSPs viewed in browser) in all the user
> >> sessions [views ] from inside the running application server using the
> >> struts2 framework.
> >>
>

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