avalon-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Nader Aeinehchi" <na...@aeinehchi.com>
Subject Re: Event mechanism in Merlin
Date Wed, 21 Apr 2004 21:15:05 GMT
Hello

Could someone tell me the CVS location of the event component in eve
project?

Thanks.

Best Regards

--
Nader Aeinehchi
Aasenhagen 66 E
2020 Skedsmokorset
NORWAY
Direct and Mobile +47 41 44 29 57
Tel (private): +47 64 83 09 08
Fax +47 64 83 08 07
www.aeinehchi.com

----- Original Message -----
From: "Nader Aeinehchi" <nader@aeinehchi.com>
To: "Avalon Developers List" <dev@avalon.apache.org>
Sent: Friday, April 09, 2004 11:18 PM
Subject: Re: Event mechanism in Merlin


> 1. Please forgive me for my ignorance, but is the difference facility and
> custom lifecycle extension?  What is a facility?
>
>
> > To me, an event-driven component
> > is a kissing cousin to a message-driven component, so I think a merlin
> > plug-in facility would handle this quite nicely.
>
> 2. Just for clarity, we are talking about asynchronous messages among
> various objects and components? Are not we?
>
> 3. In Jini, there is Distributed Events.  Is this something that should be
> taken into consideration to handle events among various JVMs?
>
>
>
>
> Best Regards
>
> --
> Nader Aeinehchi
> Aasenhagen 66 E
> 2020 Skedsmokorset
> NORWAY
> Direct and Mobile +47 41 44 29 57
> Tel (private): +47 64 83 09 08
> Fax +47 64 83 08 07
> www.aeinehchi.com
>
> ----- Original Message -----
> From: "Timothy Bennett" <exterminatorx@comcast.net>
> To: <dev@avalon.apache.org>
> Sent: Friday, April 09, 2004 9:23 PM
> Subject: Re: Event mechanism in Merlin
>
>
> > Alex Karasulu wrote:
> >
> > >>-----Original Message-----
> > >>From: news [mailto:news@sea.gmane.org] On Behalf Of Timothy Bennett
> > >>Sent: Friday, April 09, 2004 2:59 PM
> > >>To: dev@avalon.apache.org
> > >>Subject: Re: Event mechanism in Merlin
> > >>
> > >>Alex Karasulu wrote:
> > >>
> > >>
> > >>>What do you think about creating a custom lifecycle for the subscribe
> > >>>Operation on this event router/bus concept.  BTW Berin has already
done
> > >>>this with GUIApp but I'd like to see this sort of thing make its way
> > >>>into Merlin.
> > >>>
> > >>
> > >>Alex, IMO I think this is better done as a facility instead of a
custom
> > >>lifecycle extension.  In the way that we are doing HTTP-driven
> > >>components and (JMS) message-driven components using facilities, I
think
> > >>a facility to implement event-driven components is a good candidate.
> > >
> > >
> > > Hmmm that does make more sense.  I think I agree with you.
> > >
> > > Alex
> >
> > This is basically the path that will be (is being) taken with Aaron's
> > MDS (Message-Driven Service) stuff.  In it's first incarnation, MDS was
> > an Avalon framework lifecycle extension that basically allowed you to
> > define a special custom component that was *triggered* by a JMS message.
> >   Good stuff and I used it some in the pre-3.2.x Merlin distros.
> >
> > With the advent of the facility capabilities in the more recent Merlin
> > versions, Aaron has thrown the MDS stuff into the facilities arena, and
> > we plan to implement an MDS facility.  To me, an event-driven component
> > is a kissing cousin to a message-driven component, so I think a merlin
> > plug-in facility would handle this quite nicely.
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: dev-unsubscribe@avalon.apache.org
> > For additional commands, e-mail: dev-help@avalon.apache.org
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@avalon.apache.org
> For additional commands, e-mail: dev-help@avalon.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@avalon.apache.org
For additional commands, e-mail: dev-help@avalon.apache.org


Mime
View raw message