Re: Websockets on the IBMi

[Michael Ryan <michaelrtr@xxxxxxxxx>]

A girl's best friend, or so I've heard.

On Thu, Jul 12, 2012 at 4:08 PM, Maurice O'Prey <Maurice.Oprey@xxxxxxxxx> wrote:
> Not that its relevant to Web Sockets (but it is a true story and it is
> relevant to Diamonds) I did work on a prototype system back in 1989 for a
> "World Diamond Database". This was no small project. The guy in charge (an
> entrepreneur) had funds signed off by an investment group based on the
> production a "proof of concept".
>
> He had approached IBM, and IBM passed the invitation on to the company I
> worked for. Indeed there were several software houses involved as this
> system had to be accessible over "A Dial In Modem" (A difficult thing in
> those days). Plus it had to be able to search a database of over one million
> diamonds for an individual stone and return the result in less than one
> second!
>
> I developed the prototype software (On the AS/400) and yes it worked! IBM
> allowed us to set up the demo in one of their London offices and the
> customer was overwhelmed when he saw it working. We all rejoiced!!!
>
> The only fly in the ointment came when we heard that the "prospect" died of
> Hepatitis two weeks after the demo (and the whole idea was quashed)
>
> No doubt someone is doing it now and maybe in future they will use Web
> Sockets?
>
> 1989 :-)
>
> Maurice O'Prey
>
>
>
> Those of you who know diamonds (and there's not many) will know that there
> are a huge number of factors AFFECTING THE NEED FOR A specific diamond and
> it's value.
>
> -----Original Message-----
> From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx] On
> Behalf Of Holm, Paul
> Sent: 12 July 2012 18:25
> To: web400@xxxxxxxxxxxx
> Subject: Re: [WEB400] Websockets on the IBMi
>
> <Real World Need Example>
> We are just starting to look harder at this area we term server side events
> so this is an interesting topic.  We have a real life client doing RFID
> based inventory checking application.  The current need involves taking
> inventory of thousands of high value diamonds.  The process is as follows:
>  On a web UI, the worker clicks on a button "Start Inventory Reading" which
> results in activating a specific RFID reader.  The RFID reader is configured
> to call our Java based server when it reads any diamonds in it's range.  The
> inventory taker then goes off grabs a container of diamonds and places them
> into RFID reader area.  RFID reader reads all diamonds, calls our server
> which writes them to a DB.  Inventory removes diamonds and gets
> next container of diamonds and repeats until finished.   The challenge is
> to update the inventory takers screen with diamonds counts and comparisons
> to expected inventory levels in real time as inventory taking continues.
>  The RFID reader events are not associated with the inventory takers
> request/response.    I am looking at updating our framework to include the
> generic ability to "register as a listener" for various server side events
> and have those events trigger back to listening clients who then will update
> their UIs as appropriate.
> </Real World Need Example>
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