Re: [aspectj-users] Pointcut not matching when using Generics

[Bhaskar Maddala <maddalab@xxxxxxxxx>]

Thank you for the response.

>> I presume you are compiling on the command line (as you are using showWeaveInfo)

I was using ant and did not specify the source=1.5 option. Found it
when I added a couple of annotations and tried to create pointcuts
against those. The weaver gives a much better error message.
Specifically says that I need source=1.5, would be great if the same
error was available when trying to match pointcuts with generic types.

-Bhaskar



On Thu, May 20, 2010 at 4:16 PM, Andy Clement <andrew.clement@xxxxxxxxx> wrote:
> Your two programs just compiled fine for me:
>
> N:\aspectj168>ajc -showWeaveInfo -1.5 Main.java Captures.java
> Join point 'method-execution(java.util.List Main.doS())' in Type
> 'Main' (Main.java:5) advised by around advice from 'Captures'
> (Captures.java:12)
>
> What version of AspectJ are you on?  (I am using 1.6.8).  I presume
> you are compiling on the command line (as you are using showWeaveInfo)
> - how does your compile command differ from mine?
>
> Andy
>
> On 20 May 2010 15:27, Bhaskar Maddala <maddalab@xxxxxxxxx> wrote:
>> Hello,
>>
>>  I am having trouble with generic type signature and matching
>> joinpoints for an execution pointcut
>>
>>  I have the following
>>
>> import java.util.Collections;
>> import java.util.List;
>>
>> public class Main {
>>    public List<String> doS() {
>>        return Collections.emptyList();
>>    }
>>
>>    public static void main(String[] args) {
>>        new Main().doS();
>>    }
>> }
>>
>> And an aspect
>>
>> import java.util.Collections;
>>
>> import org.aspectj.lang.ProceedingJoinPoint;
>> import org.aspectj.lang.annotation.Around;
>> import org.aspectj.lang.annotation.Aspect;
>> import org.aspectj.lang.annotation.Pointcut;
>>
>> @Aspect
>> public class Captures {
>>
>>    @Around("execution(public java.util.List<java.lang.String> Main.doS())")
>>    public Object quickTest(ProceedingJoinPoint pjp) throws Throwable {
>>        pjp.proceed();
>>        System.out.println("Se");
>>        return Collections.emptyList();
>>    }
>> }
>>
>> I have showweaveinfo set to true and when building do not see any
>> information (tried running and did not see the output on the screen).
>> I replace the execution pointcut on quickTest to
>>
>>    @Around("execution(public java.util.List Main.doS())")
>>
>> and see the output when running, also the weave info.
>>
>> Looking through the documentation
>>
>> http://www.eclipse.org/aspectj/doc/released/adk15notebook/generics-inAspectJ5.html
>>
>> I do not see what I am doing wrong
>>
>> Thanks
>> Bhaskar
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