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RE: [aspectj-users] question on ajlib:

Hi Owen,

 

This indicates that the before advice is in fact applying in your test. Could it be that you aren’t seeing log output because the Log4jExecutionTracing aspect traces to a log4j logger at debug level, and that you need to enable debug output in your log4j configuration?

 

From: aspectj-users-bounces@xxxxxxxxxxx [mailto:aspectj-users-bounces@xxxxxxxxxxx] On Behalf Of Owen Corpening
Sent: Wednesday, October 15, 2008 4:24 PM
To: aspectj-users@xxxxxxxxxxx
Subject: Re: [aspectj-users] question on ajlib:

 

Well it seems to have put the Traced interface on my DummyObject class ...

 

Description  Resource Path Location Type

Extending interface set for type 'com.AjlibTest.DummyObject' (DummyObject.java) to include 'org.codehaus.ajlib.util.tracing.Log4jExecutionTracing$Traced' (TestTraceAspect.aj)  aspectLib        Unknown  Java Problem

Join point 'constructor-execution(void com.AjlibTest.DummyObject.<init>())' in Type 'com.AjlibTest.DummyObject' (DummyObject.java:2) advised by afterReturning advice from 'com.AjlibTest.TestTraceAspect' (ExecutionTracing.aj:56) [with runtime test]    aspectLib        Unknown  Java Problem

Join point 'constructor-execution(void com.AjlibTest.DummyObject.<init>())' in Type 'com.AjlibTest.DummyObject' (DummyObject.java:2) advised by afterThrowing advice from 'com.AjlibTest.TestTraceAspect' (ExecutionTracing.aj:76) [with runtime test]    aspectLib        Unknown  Java Problem

Join point 'constructor-execution(void com.AjlibTest.DummyObject.<init>())' in Type 'com.AjlibTest.DummyObject' (DummyObject.java:2) advised by before advice from 'com.AjlibTest.TestTraceAspect' (ExecutionTracing.aj:45) [with runtime test]   aspectLib        Unknown  Java Problem

Join point 'method-execution(int com.AjlibTest.DummyObject.someMethod(int))' in Type 'com.AjlibTest.DummyObject' (DummyObject.java:4) advised by afterReturning advice from 'com.AjlibTest.TestTraceAspect' (ExecutionTracing.aj:51) [with runtime test]    aspectLib        Unknown  Java Problem

Join point 'method-execution(int com.AjlibTest.DummyObject.someMethod(int))' in Type 'com.AjlibTest.DummyObject' (DummyObject.java:4) advised by afterThrowing advice from 'com.AjlibTest.TestTraceAspect' (ExecutionTracing.aj:76) [with runtime test]    aspectLib        Unknown  Java Problem

Join point 'method-execution(int com.AjlibTest.DummyObject.someMethod(int))' in Type 'com.AjlibTest.DummyObject' (DummyObject.java:4) advised by before advice from 'com.AjlibTest.TestTraceAspect' (ExecutionTracing.aj:45) [with runtime test]   aspectLib        Unknown  Java Problem

 

 

----- Original Message ----
From: Andy Clement <andrew.clement@xxxxxxxxx>
To: aspectj-users@xxxxxxxxxxx
Sent: Wednesday, October 15, 2008 12:44:55 PM
Subject: Re: [aspectj-users] question on ajlib:

Hi Owen,

 

Does compiling with -showWeaveInfo show whether your declare parents is or is not working?

 

Andy.

2008/10/15 Owen Corpening <owencorpening@xxxxxxxxx>

Probably a syntactical error, the before() in Log4jExecutionTracing never gets executed, I bet my "declare parents" isn't right, first time I ever came across that, I guess I haven't been keeping up with aj1.5:

 

package com.AjlibTest;

import org.codehaus.ajlib.util.tracing.Log4jExecutionTracing;

public aspect TestTraceAspect extends Log4jExecutionTracing {

    declare parents: com.AjlibTest.DummyObject implements Traced;

}

 

my package looks like this:

./com/AjlibTest/DummyObject.java

./com/AjlibTest/HelloWorld.java

./com/AjlibTest/TestTraceAspect.aj

 

Anyone see my goof?

 

thanks,

owen

 

----- Original Message ----
From: Ron Bodkin <rbodkin@xxxxxxxxxxxxxx>
To: aspectj-users@xxxxxxxxxxx

Sent: Tuesday, October 14, 2008 12:00:12 AM
Subject: RE: [aspectj-users] question on ajlib:

Hi Owen,

 

Traced is a protected interface that is defined within Log4jExecutionTracing itself. You just use the aspect by extending it and using declare parents to make the relevant classes you want to trace implement traced, as in:

 

public aspect MyLog4jExecutionTracing extends Log4jExecutionTracing {

     declare parents: com.bigboxco.myapp..* implements Traced;

}

 

From: aspectj-users-bounces@xxxxxxxxxxx [mailto:aspectj-users-bounces@xxxxxxxxxxx] On Behalf Of Owen Corpening
Sent: Thursday, October 09, 2008 6:41 AM
To: aspectj-users@xxxxxxxxxxx
Subject: [aspectj-users] question on ajlib:

 

With regards to ajlib:

 

There is a class Log4jExecutionTracing not covered in the unit tests and for which there are no examples of its usage. It uses a class called "Traced" that I don't see anywhere and I *think* that is at the core of my not comprehending how to use this class.

 

Basically if I have a test tracing aspect like this it works great (DummyObject is the class whose methods are to be traced):

 

package com.AjlibTest;

import org.codehaus.ajlib.util.tracing.ExecutionTracing;

public aspect TestTraceAspect extends ExecutionTracing

{

    public pointcut scope() : within(DummyObject);

    before(): scope()

    {

         System.out.println("Tracing");

    }

}

 

But if I change ExecutionTracing to Log4jExecutionTracing it doesn't weave anything (advice defined in com.AjlibTest.TestTraceAspect has not been applied [Xlint:adviceDidNotMatch]).

 

much appreciated,

Owen

 

 

 


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