So why don't the guys doing it appear on this list? Or
are they to occupied doing "tha WikiWiki-thang"? :-)
--- 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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> >
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