I didn't mean to replace the event gateway with a cfmessage tag.
Rather, use a cf tag construct to setup a listener- processor
relationship that the event gateway uses.
This would not change the way the event gateway interface JMS.
It just allow the user define the interface of JMS to his app without
requiring knowledge of Java,
Dick
On Aug 18, 2004, at 10:59 AM, Matt Liotta wrote:
> That would mean the app server would have to poll the message queue
> and then
> invoke a CFC as needed, which could certainly work. However, then you
> would
> still need some other application to respond to 3rd party "events"
> and put
> them on the queue. At that point, if seems easier just to have a
> "gateway"
> that invokes a CFC directly. If you need it asynchronous, then that
> CFC
> could then put some message on the queue.
>
> -Matt
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]
> > On Behalf Of Dick Applebaum
> > Sent: Wednesday, August 18, 2004 1:52 PM
> > To: CF-Talk
> > Subject: Re: Event Gateway on BlueDragon, etc. ( was:BLACKSTONE:
> Software
> > Development Times Article)
> >
> > I am new to JMS, so be gentle :)
> >
> > Wouldn't it be practical to use a cfmessage tag to set up a
> listener...
> > something like:
> >
> > <cfmessage
> >������ mode=SetListner
> >������ MessageType=queue or topic
> >������ MessageName= QueueName or TopicName
> >������ Component=path to CFC
> >������ Method=Function to invoke
> > />
> >
> > Couldn't this be used to implement��something like:
> >
> > http://www.devx.com/Java/Article/20903/0/page/3
> >
> > See the link to listing 1 (asynchronous reader) at the bottom of the
> > page.
> >
> > Where:
> >
> > 1) the cfmessage tag sets up the listener and denotes a cfc. to be
> > invoked when the listener fires
> >
> > 2) the CFC method receives the message in the argument named its
> input
> > parameter & processes the message as desired.
> >
> >
> > Certainly there are a lot more details, but this would be the
> overall
> > approach
> >
> > Practical?
> >
> > Dick
> >
> > On Aug 18, 2004, at 10:11 AM, Matt Liotta wrote:
> >
> > > > 3) your thoughts on the tradeoffs of a cfmessage tag vs an event
> > > gateway
> > >��>
> > >��One major tradeoff is the ability for CFML to be invoked based
> on a
> > > message.
> > >��With a cfmessage tag you still need the CFM or CFC making use of
> it to
> > >��execute. An event gateway or something of similar design would
> invoke
> > > CFML
> > >��based on some 3rd party input.
> > >
> > >��-Matt
> > >
> >
> >
>
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