On 9/6/06, Frank W. Zammetti <[EMAIL PROTECTED]> wrote:
>
> Martin Cooper wrote:
> > For six years or so, I've watched people repeatedly shoot
themselves in
> the
> > foot becuse they think they want to chain actions and they _don't
know_
> the
> > consequences or their - uh - actions. The serious problem is that
many -
> > perhaps most - developers have no idea what is going on under the
> covers,
> > and they _will_ get into problems with chaining actions, and will
have
> no
> > idea _why_ they are getting into problems. There's no way I want
to see
> us
> > encouraging the use of an anti-pattern that is an anti-pattern for
very
> > good
> > reasons. Just because it _can_ be done doesn't mean it _should_ be
done.
> We
> > are here to help users to build their applications as simply as
> possible.
> > Using techniques that have traps and pitfalls that are easily
stumbled
> upon
> > is not a good way to do that.
>
> But don't we also need to explain *why* something is an anti-pattern
> too?
Yes. And I have explained it over and over again, until I'm blue in the
face, for years, as have plenty of other people. It's all in the
archives,
along with the rest of the history of Struts. I just don't have the
energy
to go through it all again here and now.
--
Martin Cooper
I don't know about anyone else, but I don't accept anything as a
> "best practice", or pattern or anti-pattern, until I understand why it
> is so, and ultimately agree with it (which means I sometimes have to
> change my stance on things as I understand more, but I have no problem
> with that). Understanding and not just accepting advice also allows
you
> to make better decisions in the future as you can apply knowledge to
> other domains. It's also partly how less experienced programmers
become
> more experienced and able to think for themselves rather than just
> following others' words.
>
> So, *why* is action chaining bad? What are the traps and pitfalls?
Why
> is instantiating and calling one Action from an other bad (I understand
> this isn't action chaining, hence two separate questions, but the
> question fits here too).
>
> > Martin Cooper
>
> Frank
>
>
> --
> Frank W. Zammetti
> Founder and Chief Software Architect
> Omnytex Technologies
> http://www.omnytex.com
> AIM/Yahoo: fzammetti
> MSN: [EMAIL PROTECTED]
> Author of "Practical Ajax Projects With Java Technology"
> (2006, Apress, ISBN 1-59059-695-1)
> Java Web Parts - http://javawebparts.sourceforge.net
> Supplying the wheel, so you don't have to reinvent it!
>
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