Re: Software Architecture/Design

On 9 June 2010 00:20, Tom Plunket <[email protected]> wrote:

> Richard Fabian wrote:
> > In OO, if part A calls in part B, it can happen like this:
> > partA->Tick()
> > {
> >  /*body*/
> >  if( this->SomeCondition() )
> >   this->GetEntity()->GetComponentB()->DoSomething();
> > }
>
> Oh come now, you can't give an example of code which any respectable
> OO developer would call "not OO" and say that OO should be replaced by
> something else.  I mean seriously, I understand the desire to replace
> "poor design" with "good design," but you could just as easily replace
> the above with a "better" OO design and reap the benefits that folks
> seem to be attributing to DCI.
>

In a way you've got the point of the argument. Any respectable developer
wouldn't call that OO. But, that's the dog food we have to live with when
people start putting components in objects. So why would we not try to
discourage it?
Veteran OO coders would solve it with messaging (which has it's own
pitfalls), or having the owner of the components manage the transform that
required the components to have some communication (heading towards DCI), or
better still, find some way that the communication wasn't necessary (OO).
The problem with all these correct approaches is that it's more code to
write. More code to write is more dangerous for a project, so hacks creep in
and then it becomes standard practice.

More often than not, code written stays written and this is the kind of code
that gets the job done while hurting others. It's not OOs fault that C++
lends itself to making messes of stuff, but again, it does seem to be C++
that causes OO coders to write "elegant to a point" code. Projects all start
out written well, but soon enough the profit fairy comes along and tramples
on your schedule and suddenly a couple of hundred hacks become "necessary".

My gripe is not with OO, it's with the monster that we have to use daily
that pretends to be OO in C++.

-- 
fabs();
Just because the world is full of people that think just like you, doesn't
mean the other ones can't be right.

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