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RE: [aspectj-users] Running aspectj on application server
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Hi Lim,
If your code calls a method in a 3rd party jar :
"Call" involves weaving into *your code* where the call was made
"Execution" involves weaving into the *3rd party code* where the
method is run
HTH,
Fintan
-----Original Message-----
From: aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx] On Behalf Of Choon Chern, Lim
Sent: 02 August 2006 02:51
To: aspectj-users@xxxxxxxxxxx
Subject: Re: [aspectj-users] Running aspectj on application server
Hi Doug,
Thanks for the response.
As for a "call" and an "execution" of a method join
poin, I know one represents method invocation and
another method execution. However, if I were to have a
"before advice" (or any advice) of either of them,
isn't that pretty much the same? I guess I can't
really differentiate the difference between a call and
an execution here.
Thanks.
--- doug.gschwind@xxxxxxxxxxx wrote:
> Hi Mike,
>
> For an aspect to be woven into your application, the
> bytecode from either your code or code your
> application depends upon (e.g. application server or
> third party jar files) must be modified either at
> compile time or at load time. You probably want to
> consider compile time at first since that is the
> simplest way to aspect-enable an application.
>
> It is important to understand what byte code needs
> to modified for an aspect to be "present". For
> example, for call type point cuts, the AspectJ
> compiler must control the calling code, whereas for
> execution type point cuts, the AspectJ compiler must
> control the method being advised. While I don't have
> a URL handy to these details, consult the AspectJ documentation
> regarding what the requirements are for what bytecode must be
> controlled by AspectJ for your aspects to NOT be ignored.
>
> Hope that helps.
>
> Regards,
>
> Doug
> -------------- Original message
> ----------------------
> From: "Choon Chern, Lim" <meteoric@xxxxxxxxxxxxxx>
> >
> > Hello everyone,
> >
> > I'm a newbie in AspectJ, and just recently, I
> > downloaded AJDT plugin on my RAD 6 and started
> writing
> > some tests to see how this thing works.
> >
> > I plan to incorporate aspectj into my J2EE app
> running
> > on WAS 6. What do I need to configure on the
> > applcation server so that the code weaving works
> on my
> > J2EE app? Currently I notice that all aspects are
> > ignored when I run the app (I think because the
> aop
> > compiler is not used).
> >
> > Any helps/tips/web links would be greatly
> appreciated.
> >
> > Thanks.
> >
> > Mike
> >
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