Hello Andy,
Thank you very much for your answer. I've studied your code. It does not
work from our side because we do not specify a particular class but all
classes from a specific packages. We use "com.nested.my.concurrent.*"
which means for us, If I do not make a mistake, all classes from this
package ? and then also the inner classes. But it seems it does not work
like this.
So the other question, does it mean we have to declare in a separate
aspect (physical file) to avoid such duplicate mixin because in the code
below, the class CiaWebThreadFactory has 2 mixins - One from the
"com.nested.my.concurrent.*" and the second from
"com.nested.my.concurrent.CiaWebThreadFactory.*"
Then does it means there is no syntax to targeted class and inner class
at the same time by specifying only "all.classes.from.this.package.*" ?
@Aspect
public class LoggingConcurrentBehavior extends LoggingBaseBehavior {
@DeclareMixin("com.nested.my.concurrent.*")
public static Loggable createLoggerDelegate(Object o) {
return new ServantLogger(o.getClass());
}
@DeclareMixin("com.nested.my.concurrent.CiaWebThreadFactory.*")
public static Loggable createLoggerDelegate2(Object o) {
return new ServantLogger(o.getClass());
}
Regards,
Jean ANDRÉ
De : Andy Clement <andrew.clem...@gmail.com>
A : aspectj-users@eclipse.org,
Date : 2013-04-01 11:05
Objet : Re: [aspectj-users] @DeclareMixin with inner class - Syntax ?
Envoyé par : aspectj-users-boun...@eclipse.org
Sorry I didn't reply earlier, I was at eclipsecon. I tried to scaffold
your situation but it just works for me. Are you loadtime weaving or
compile time weaving? Here is my complete code:
=== CiaWebThreadFactory.java
package com.foo.bar;
public class CiaWebThreadFactory {
public static void main(String []argv) {
new CiaWebThreadGroup().foo();
System.out.println("works");
}
static class CiaWebThreadGroup {
public void foo() {
Loggable cwtg = ((Loggable)new CiaWebThreadGroup());
cwtg.log("hello");
}
}
}
=== Loggable.java
package com.foo.bar;
interface Loggable {
void log(String msg);
}
=== ServantLogger.java
package com.foo.bar;
class ServantLogger implements Loggable {
public ServantLogger(Class clazz) {
System.out.println("ServantLogger for "+clazz.getName());
}
public void log(String message) { System.out.println(message);}
}
=== LoggingConcurrentBehaviour.java
package com.foo.bar;
import org.aspectj.lang.annotation.*;
@Aspect
class LoggingConcurrentBehaviour {
//works:
@DeclareMixin("com.foo.bar.CiaWebThreadFactory.CiaWebThreadGroup")
@DeclareMixin("com.foo.bar.CiaWebThreadFactory.*")
public static Loggable createLoggerDelegate(Object o) {
return new ServantLogger(o.getClass());
}
}
===
ajc -1.5 *.java -d . -showWeaveInfo
Mixing interface 'com.foo.bar.Loggable' (LoggingConcurrentBehaviour.java)
into type 'com.foo.bar.CiaWebThreadFactory$CiaWebThreadGroup'
(CiaWebThreadFactory.java)
Type 'com.foo.bar.CiaWebThreadFactory$CiaWebThreadGroup'
(CiaWebThreadFactory.java) has intertyped method from
'com.foo.bar.LoggingConcurrentBehaviour'
(LoggingConcurrentBehaviour.java:'void
com.foo.bar.Loggable.log(java.lang.String)')
and then when I run it:
java com.foo.bar.CiaWebThreadFactory
ServantLogger for com.foo.bar.CiaWebThreadFactory$CiaWebThreadGroup
hello
works
In terms of mixin pattern matching I was using:
@DeclareMixin("com.foo.bar.CiaWebThreadFactory.*")
and that was fine (as you can see from the weave info messages).
I tried AspectJ 1.7.2 and 1.6.12 - worked on both.
If you can perhaps edit my code to be more representative of your failing
sample, I could investigate further. I wouldn't be surprised if there were
inner class problems (I half expected my code to fail) but at the moment
I'm not having luck finding problems.
cheers
Andy
On 25 March 2013 10:07, Jean Andre <jean.an...@intact.net> wrote:
Hello,
A quick question, is it possible to declare Mixin (@DeclareMixin) in order
to have it in inner class ? If yes, we have difficulty to find the right
syntax.
We use aspectJ 1.6.12 under WAS 8.0.0.3
Here is our stuff - The mixin is perform well for the class
CiaWebThreadFactory but not for the inner class. We have tried different
syntax without any success.
Any help ? - and if we have several inner class, is there a shortcu to
catch all of them in a single syntax ?
Thank you very much.
JA
===========================================
THE ANNOTATED ASPECT
===========================================
@Aspect
public class LoggingConcurrentBehavior extends LoggingBaseBehavior {
@DeclareMixin("com.intact.my.concurrent.*")
public static Loggable createLoggerDelegate(Object o) {
return new ServantLogger(o.getClass());
}
.....
}
package com.intact.my.concurrent;
====================================================
THE INNER CLASS TO CATCH WITH ASPECT
====================================================
public final class CiaWebThreadFactory implements ThreadFactory {
/**
* The name of the thread group. e.g: CiaWebGroup
* @see java.lang.ThreadGroup
*/
private final ThreadGroup threadGroup;
/**
.....
}
public static final class CiaWebThreadGroup extends ThreadGroup {
public void uncaughtException(Thread t, Throwable e) {
// AspectJ point cut - Please, do not remove -
Log4J here.
}
}
}
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