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RE: [aspectj-users] LTW and instrumentation
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But then, it would require using reflection, right? In fact, I need to do
something slightly different from the article I cited: for each field of
primitive type in a class, I need to declare a "backup" field of the same
type and create checkpointing functions to save/restore the object's state.
These functions are called quite often and must be very efficient (using
reflection would be too slow for that purpose). ASM seems to be appropriate
for transparently generating them, assuming it can be combined with LTW, but
I'd love to hear other suggestions. Thanks.
Pascal
> It looks to me like the code from the article you cited could
> be written more cleanly with an inter-type declaration,
> instead of mucking around with ASM.
>
> -----Original Message-----
> From: aspectj-users-bounces@xxxxxxxxxxx
> [mailto:aspectj-users-bounces@xxxxxxxxxxx] On Behalf Of Pascal Felber
> Sent: Saturday, October 29, 2005 4:39 PM
> To: aspectj-users@xxxxxxxxxxx
> Subject: [aspectj-users] LTW and instrumentation
>
> Hi,
>
> I have an aspectj application that uses LTW (aspectjweaver
> agent) to weave aspects at load time. In addition, I have to
> instrument some of my classes along the same lines as
> described at
> http://www-128.ibm.com/developerworks/java/library/j-cwt06075/
index.html
> (functionality that cannot be added using AOP).
> Instrumentation is performed using ASM and I am currently
> using a java transformation agent. The problem is, I haven't
> been able to used both agents (aspectjweaver and my own
> agent) at the same time. I would like my agent to get a
> chance to instrument the classes before they are (or right
> after they have been) processed by the aspectj load-time
> weaver. Is that possible? Does aspectj allow custom
> instrumentation of classes during the weaving process?
>
> Thanks,
>
> Pascal
>
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