about PointCut selection and Context Parameter

Hi Jonas:

Aspectwerkz seems very different from other's aop frameworks. I think it is 
"practical" AspectJ.
But I have some questions:
1.In AspectJ, you can select a PointCut by combine some conditions,and can 
provide some parameters, such as:

pointcut setXY(FigureElement fe, int x, int y):
   call(void FigureElement.setXY(int, int)) 
   && target(fe) 
   && args(x, y);

around(FigureElement fe, int x, int y): setXY(fe, x, y) {
   System.out.println(fe + " moved to (" + x + ", " + y + ").");
   x++;
   proceed(fe,x,y);
}

in this around advice, we can change x's value , and proceed to next 
advice(or org method) with the new parameter.
But in Aspectwerk,jointpoint proceed() has no parameter.Is it means we 
cannot change parameter like AspectJ?

2.How can I select PointCut by attribute(and combine with others)?
3.Would Aspectwerkz implement PreAdvice,PostAdvice and Around advice like 
AspectJ?
Now in Aspectwerkz,every advice is around advice.
For example, can we just declare a PreAdvice in XML, and in this advice 
class's execute method, we can just do our aspect thing,and need not to 
invoke proceed method?
Best regards
shiyiying

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