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AW: [aspectj-users] Spacewar example

Hi Mohamed,

Thank you for your suggestion, but I do have an aspectJ project. (but, you made me discover this possibility to convert a Jproject to an AJ one; it cool!)
Dragan

-----Ursprüngliche Nachricht-----
Von: aspectj-users-bounces@xxxxxxxxxxx [mailto:aspectj-users-bounces@xxxxxxxxxxx] Im Auftrag von S, Mohamed Raffi (Mohamed)
Gesendet: Samstag, 23. April 2005 06:57
An: 'aspectj-users@xxxxxxxxxxx'
Betreff: RE: [aspectj-users] Spacewar example

Dragon,
    Might be you are using java project , you convert it to AspectJ project.
If you have AJDT environment, you can just right click and say convert to
AspectJ project.
Have fun,
Raffi

-----Original Message-----
From: aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx]On Behalf Of Matic, Dragan
Sent: Friday, April 22, 2005 5:40 PM
To: aspectj-users@xxxxxxxxxxx
Subject: AW: [aspectj-users] Spacewar example


Hi Ron,

Thanks for your answer.
Well,
 To #1, I still have errors in my editor, even after having turned on
aspectJ/java the editor as default to java files.
 To #2, it's a subjective question whether inner aspects help modularity
or not. Personnally, I would try to separe both in any case... But maybe
I'll change my mind as I aquire more experience on it...
 To #3, I was awaiting a code which the aspect compiler accepts, and
where private fields could be accessed. But, maybe there is no way ?

-------------------------------------------------

Hi Dragan,

Re: #1, check to make sure that AspectJ is the default editor for .java
file
extensions (window | preferences | file associations). Using .aj as the
extension for AspectJ source is now preferred, but Spacewar predates
that.

Re: #2, sometimes a (static) inner aspect is a good choice. If some
concern
crosscuts just a single class, or a general aspect is applied to just a
single class, it can be quite helpful. Ramnivas wrote some good articles
on
TheServerSide about refactoring with AOP that are a good illustration.
Another common use case is in applying virtual mock objects for testing
to a
specific test case. And in the space war code, take a look and ask
whether
the inner aspects are helping modularity or not. Aspects are a
modularity
technology, they aren't always oblivious, i.e., you can write a system
where
the base code is aware of and interacts with aspects and you can also
write
one where the aspects implement core functionality that is required.

Re: #3, often you will want to do some refactoring to address this. You
might find that some of the members apply to the crosscutting concern
and
should be inter-type declarations. In a last resort, you can make an
aspect
privileged to do exactly what you asked, but that's usually not the
right
answer.

-------------------------------------------------

Hello,

I am pretty new in your community, so please don't be too hard to me if
I say something wrong, or if there is something you've already
discussed...
Looking at the spacewar game sample code, I was surprised to see that :

1/ in my IDE (eclipse 3.0, ajdt1.1.2), the java editor doesn't recognize
aspect keywords, if they are used in a class file (eventhough, there 
is no error shown in the tasks list)

2/ there are inner aspects declared in java classes ! That's shocking.
My understanding of the AOP philosophy, was that aspects are separated
from a java project; they should only describe an additional "aspect" of
the project; they should not make the code unclear, etc.

3/ as I tried to separate myself aspects from java classes, I got the
problem that my aspects can not access private fields declared in the
aim class; is there any way to solve that ?

Regards,
Dragan
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