Re: [aspectj-users] Advice on Constructors With Subclasses

[Simone Gianni <simoneg@xxxxxxxxxx>]

Hi Andrew,
yes, initialization joinpoints seems to be what is needed in this case.
Thanks for your pointer!

Simone

Andrew Eisenberg wrote:
> On Thu, Sep 4, 2008 at 8:37 AM, Simone Gianni <simoneg@xxxxxxxxxx> wrote:
>   
>> Hi all,
>> I also stumbled upon this problem. In fact, I think AspectJ is missing
>> something here. There should be a way to say after "the object has been
>> completely initialized".
>>     
>
> This is what after() : (Object+.new()) does.
>
>   
>> That is because I might want to advice the
>> constructor of an abstract class and call abstract methods, which will
>> probably fail if the advice is executed after the abstract class
>> constructor instead of after the concrete class constructor. Using the
>> call instead of execution is a solution,
>>     
>
> Yes.
>
>   
>> but limited to the situation
>> where the aspects are consistently applied, which could not be the case
>> if I'm programming my own jar using AOP but then using it in a
>> non-aspectj system. In fact, using "execution", AspectJ will add the
>> code to my own classes, while using call requires the client code of my
>> library to be weaved.
>>     
>
> Another possibility might be initialization joinpoints.  It's not
> exactly the same, but might be what you want in this situation.
>
> http://www.eclipse.org/aspectj/doc/released/faq.html#q:initializationjoinpoints
>
>
>   
>> Simone
>>
>> Andrew Eisenberg wrote:
>>     
>>> Actually, it is the "call", not the "returning" that made it work.
>>> Should probably work with or without the "returning" clause.
>>>
>>> In AspectJ, super calls are not considered "calls" and so are not
>>> matched by the call designator, but the method bodies are executed,
>>> hence they *are* matched by the execution designator.
>>>
>>> On Tue, Sep 2, 2008 at 8:25 PM, James Elliott <jvelliott@xxxxxxxxx> wrote:
>>>
>>>       
>>>> Thanks a lot. Guess I never tried the "returning" keyword.
>>>>
>>>> Much appreciated.
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>>>>
>>>>         
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>>>       
>> --
>> Simone Gianni
>> http://www.simonegianni.it/
>> CEO Semeru s.r.l.
>> Apache Committer
>>
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>>     
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-- 
Simone Gianni
http://www.simonegianni.it/
CEO Semeru s.r.l.
Apache Committer