12 Oct
2007
12 Oct
'07
11:03 a.m.
yep thats right superclass of Object in GemStone/S is nil, so yeh that makes sense to make
MAProxyObject to inherit from nil.
i will implement these objects and include it in Magritte GemStone/S version, since Pier
is using it i dont want to leave it.
thanks
Isaiah> From: renggli(a)iam.unibe.ch> Subject: Re: Magritte- MAProxyObject, MADynamic
> Date: Thu, 11 Oct 2007 22:34:41 +0200> To: smallwiki(a)iam.unibe.ch> > >
yeh i had a quick look and i saw pier using these proxy classes. > > yep GemStone/S
Object supports #doesNotUnderstand:. so it shouldnt > > be too difficult to either
refactor or add MADynamicObject later. > > however GemStone/S doesnt support
protoObject. so i guess the > > MADynamicproxyObject will have to inherit from
Object> > What is the superclass of Object in GemStone/S?> > I guess
MADynamicObject should have the same (probably this is nil).> > Lukas> > >
>> >> > > From: renggli(a)iam.unibe.ch> > > Subject: Re:
Magritte- MAProxyObject, MADynamic object> > > Date: Thu, 11 Oct 2007 20:14:42
+0200> > > To: smallwiki(a)iam.unibe.ch> > >> > > > thanks
lukas, make sense. For the port to GemStone/S i might leave> > > >
MAProxyObject and MADynamicObject out. it can always be added > > later> >
> > if people really want it.> > > > what do you think ?> >
>> > > Yes, I would do so.> > >> > > Pier has some users,
but we could either refactor those or port> > > MADynamicObject later on. I guess
GemStone/S also supports> > > #doesNotUnderstand:?> > >> > >
Lukas> > >> > >> > > >> > > > > From:
renggli(a)iam.unibe.ch> > > > > Subject: Re: Magritte- MAProxyObject,
MADynamic object> > > > > Date: Thu, 11 Oct 2007 18:14:43 +0200> >
> > > To: smallwiki(a)iam.unibe.ch> > > > >> > > > >
> what and how are MAProxyObject and MADynamicObject used in> > > >
magritte ?> > > > > > i know it acts as a proxy for a 'real
Object'. where are these> > > > > > proxies used> > > >
> > ?> > > > >> > > > > It is rarely used, I try to
avoid its use as much as possible.> > > > > MAProxyObject is an abstract
class. MADynamicObject is > > created when> > > > > sending the
message #asDynamicObject to a block.> > > > >> > > > > The
idea is to have dynamic properties in descriptions (or other> > > > >
objects). For example in Pier the owner of a structure is > > described> >
> > > on the class side with something like:> > > > >> >
> > > MASingleOptionDescription new> > > > > beSorted;> >
> > > label: 'Owner';> > > > > selectorAccessor:
#owner;> > > > > reference: PUUser description;> > > > >
options: [ self allUsers ] asDynamicObject;> > > > > yourself> > >
> >> > > > > This means every time the options are queried the sender
gets a> > > > proxy> > > > > object that (most of the time)
resolves to the list of all > > available> > > > > users.> >
> > >> > > > > Again, this is cool magic that works most of the
time, but I> > > > strongly> > > > > discourage to use it. In
all cases it is possible to avoid > > its use> > > > > all-together,
for example by overriding #description on the > > instance> > > > >
side and adding the description manually instead of defining > > it on> > >
> > the class side. I am just too lazy to do that sometimes ;-)> > > >
>> > > > > Cheers,> > > > > Lukas> > > >
>> > > > > --> > > > > Lukas Renggli> > > >
> http://www.lukas-renggli.ch> > > > >> > > > >> >
> > > _______________________________________________> > > > >
SmallWiki, Magritte, Pier and Related Tools ...> > > > >
https://www.iam.unibe.ch/mailman/listinfo/smallwiki> > > >> > >
>> > > > Check our comprehensive Salary Centre Overpaid or Underpaid?>
> > >> > > > _______________________________________________> >
> > SmallWiki, Magritte, Pier and Related Tools ...> > > >
https://www.iam.unibe.ch/mailman/listinfo/smallwiki> > >> > > -->
> > Lukas Renggli> > > http://www.lukas-renggli.ch> > >> >
>> > > _______________________________________________> > >
SmallWiki, Magritte, Pier and Related Tools ...> > >
https://www.iam.unibe.ch/mailman/listinfo/smallwiki> >> > Find it at
www.seek.com.au Your Future Starts Here. Dream it? Then > > be it!> >> >
_______________________________________________> > SmallWiki, Magritte, Pier and
Related Tools ...> > https://www.iam.unibe.ch/mailman/listinfo/smallwiki> > --
> Lukas Renggli> http://www.lukas-renggli.ch> > >
_______________________________________________> SmallWiki, Magritte, Pier and Related
Tools ...> https://www.iam.unibe.ch/mailman/listinfo/smallwiki
_________________________________________________________________
Your Future Starts Here. Dream it? Then be it! Find it at www.seek.com.au
http://a.ninemsn.com.au/b.aspx?URL=http%3A%2F%2Fninemsn%2Eseek%2Ecom%2Eau%2…