RE: [aspectj-dev] Applying aspects programmatically

["Oleg Lebedev" <oleglebedev@xxxxxxxxxxxxx>]

Thanks, Eric, it makes perfect sense.

-----Original Message-----
From: aspectj-dev-bounces@xxxxxxxxxxx
[mailto:aspectj-dev-bounces@xxxxxxxxxxx] On Behalf Of Eric Bodden
Sent: Saturday, May 14, 2005 2:04 AM
To: 'AspectJ developer discussions'
Subject: RE: [aspectj-dev] Applying aspects programmatically


 
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Oleg Lebedev wrote:
> Here is an example. I have a class, which uses java.util.Random. In 
> order to test this class I want to replace all Random objects with my 
> Randomizer objects. I have an aroun() advice, which does just that. 
> However, I want to be able to apply this advice and runtime when
> testing the class instead of the compile time.   
> 
> How can I do this?

Hi, Oleg.


The only approach I am aware of, which can currently actually add
pointcuts and advice during runtime is the Steamloom virtual machine. I
am pretty sure, one *has* to have VM support for this. All other
approaches, also AspectWerkz (at least the last version I have seen),
need to prepare classes (they weave hooks into the code) in order to
apply aspects at runtime.

You might want to have a look at "Phili Mayer, A Classification of
Dynamic AO Systems" [1].

Cheers,
Eric

[1]
http://aop.pmayer.net/images/3/39/A_Classification_of_Dynamic_AO_Syste
ms_Final_30.01.2005_.pdf

- -- 
Eric Bodden
Chair I2 for Programming Languages and Program Analysis
RWTH Aachen University

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