Hola Gustavo (et al.)!
Before trying to answer your questions (with my personal approach to
the subject), I would like to have clear your needs...
When you say "Cocoa", do you mean Leopard, Tiger, Snow Leopard,...?
is it important?
When you say "back-end", do you mean a RDB + some common logic, or
just RDB...? is it important? (I think so ;^)
I proposed to use Web Services when Leopard ß was available (and I
knew that the Java Bridge was about to disappear, cf. http://
strausz.blogspot.com/2006/08/on-java-objective-c.html ) and I know
Andrew Lindesay has developed since then a nice "prototype"; however,
I am not sure this is the right approach for all cases... Java Client
is another possibility if you like (or need portability) and you do
not really need Objective-C frameworks.
Another possibility is to use WO when possible (platform
independent), and use an Open EOF + Core Data + Bindings in the
"Apple-side" (or any platform with a nice Objetive-C compiler, for
the EOF only). This implies to put most of the "persistent-objects-
logic" in a very "low" level so it can be accessed by all clients;
and "duplicate" the rest of the logic (Java + Obj-C + ...)
Since I am fan of Obj-C, and in its version 2.0 is closer to Java in
"form" than before, I have done this and I can tell that: this last
is not as hard as it sounds... I have to add that the open versions
of EOF (specially Alex's one) are mature enough, even-though they
need some "up dates" which I am working on.
But again, it depends on your specific needs...
In principle, WO is the right choice... it's a pity that Apple gave
up in its Object-C form!
Suerte!
One question, theoretic one . If, both, the Cococa App and the WO
app, are using the same servers, its worth to make a WS to
interoperate between them?, I dunno if I have made myself clear; as
far as I remember form school, was that WS are used mostly to
interoperate different applications with different logic and back
end, so if my apps are using the same back end, whatever I do in on
server it will be reflected on the other app and vise-versa no?
So again my question, do I need to make such a layer with WS's ?
Dino
--
[email protected]
Business Applied X Objects
http://strausz.blogspot.com
(+52-1) 55-5437-8205
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