Jon Tirson wrote:
> So why don't the guys doing it appear on this list? Or
> are they to occupied doing "tha WikiWiki-thang"? :-)
>
[Randy Stafford] OK, OK, as one of the guys doing it, I'm briefly
(re-) appearing. :-) And, uh, yeah - I've been too occupied doing that
WikiWikiThang (as far as you know ;-)
RPS
> --- Chris Raber <[EMAIL PROTECTED]> skrev:
> > Jon,
> >
> > I mearly stand in the shadows of our Advanced
> > Architecture Team that put
> > this stuff together. I was mearly a kibutzer on
> > fringes of this team.
> >
> > But I'll take some credit by association. What the
> > heck!
> >
> > -Chris.
> >
> > > -----Original Message-----
> > > From: Jon Tirs�n [SMTP:[EMAIL PROTECTED]]
> > > Sent: Friday, April 07, 2000 11:04 AM
> > > To: [EMAIL PROTECTED]
> > > Subject: Re: 'local' entity beans vs
> > dependent objects
> > >
> > > You're definitely on you way to something, Marcus.
> > >
> > > I strongly recommend reading the following paper:
> > > http://www.gemstone.com/javasuccess/design_wp.html
> > > (thanks for this one, Chris!)
> > >
> > > In my architecture what you're talking about is
> > the
> > > "Application Layer". (Same terminology as the
> > above
> > > paper.)
> > >
> > > --- Marcus Ahnve
> > <[EMAIL PROTECTED]>
> > > skrev:
> > > > > Hmm. Actually, when I wrote the message I
> > meant
> > > > something even more
> > > > > decoupled than this.
> > > >
> > > > *snip*
> > > >
> > > > > The point here is that EJB is an
> > implementation
> > > > technology and has so
> > > > > many weird design quirks/flaws that its
> > > > requirements should not make it
> > > > > into your domain model.
> > > >
> > > > IMHO it is a <overused term> component model
> > > > </overused term> doing a
> > > > lot of stuff that you can write yourself, but it
> > is
> > > > so nice to have that
> > > > done by somebody else. However, if there is a
> > new
> > > > shiny component model
> > > > doing things twice as fast at half the price
> > next
> > > > year I for one is not
> > > > too keen on rewriting the whole thing. Therefor
> > I
> > > > like the idea of
> > > > keeping the business model separated from the
> > > > component model.
> > > >
> > > > > Also, the common practice of somehow
> > mystically
> > > > > grouping domain objects together under, say,
> > an
> > > > entity bean facade is
> > > > > not (a) easy or (b) practical in most cases
> > (at
> > > > least IMHO). So all I'm
> > > > > saying is: what if you did it the other way?
> > What
> > > > if you stick an
> > > > > entity bean under a regular java object
> > "facade"
> > > > (I use quotes because
> > > > > it's not really a true Facade in the Design
> > > > Patterns sense)?
> > > >
> > > > Adapter maybe? But if they would not only change
> > the
> > > > interface, they
> > > > would also have a bit of implementation maybe
> > > > steering calls to
> > > > different beans.
> > > >
> > > > > And as
> > > > > long as you're doing that, why not shove
> > session
> > > > beans under regular
> > > > > java object facades as well?
> > > >
> > > > Sure, as far as I see that means adding an
> > adapter
> > > > at all client levels
> > > > - but that is just like most people do for
> > isolating
> > > > the database for
> > > > example.
> > > >
> > > > > Hope this clarifies my (tentative!) thinking a
> > > > bit.
> > > >
> > > > Yep, I think I like it.
> > > >
> > > > /Marcus
> > > >
> > > > Marcus Ahnve
> > > > Sun Java Center
> > > > Sweden
> > > >
> > > >
> > >
> >
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