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Re: [aspectj-users] Is there any performance issue using thisJoinPoint
|
Hi Andy,
thx for answer. I found it also in AspectJ in Action book.
Is there any possiblity to delay the reflection. I'm not shure about the
possibility to use if(). The aspects will be per-type and the decision data
will be associated with the aspect instance.
So another question: Is it impossible to add a new feature someting like
thisLazyJoinPoint which uses the a closure functionality to delay the
creation of the actually (dynamic) join point.
Suggestion/Feature request:
Object arount() : pc() {
if( .... ) {
JointPoint jp=thisLazyJoinPoint.bind();
}
}
---
public interface LazyJoinPoint {
JoinPoint bind();
}
---
// the generated code code could be look like this.
final Object __this=this;
final Object __target=...;
// other objects which are necessary for creating thisJoinPoint. But only
referencing ;-)
final LazyJoinPoint __lazyJoinPoint = new LazyJoinPoint() {
public JoinPoint bind() {
JoinPoint jp=...;
// do the reflection stuff with __this and __target
...
return jp;
}
}
// calling the advice.
This would be an awful cool feature. I know this would create a lot of
additional classes, but in Groovy Closures are an ubiquitous used feature
and nobody complaining about to much classes.
So you could add this as a feature request if this is possible.
Thx and merry xmas :-)
Marko
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