RE: [aspectj-users] avoid locked method invocation with an annotation

[<jeanlouis.pasturel@xxxxxxxxxxxxxxxxxx>]

 Are you sure you can use proceed method with a before advice? I think you
can use it only with around advice.


Cordialement / Best regards

Jean-Louis Pasturel



-----Message d'origine-----
De : aspectj-users-bounces@xxxxxxxxxxx
[mailto:aspectj-users-bounces@xxxxxxxxxxx] De la part de Luca Ferrari
Envoyé : lundi 15 février 2010 08:36
À : aspectj-users@xxxxxxxxxxx
Objet : [aspectj-users] avoid locked method invocation with an annotation

Hi all,
as by subject I'd like to annotate some methods with a @Lock annotation and
I'd like to have an aspect avoiding the invocation of such methods, so I
have done the following:

    private pointcut avoidLockedMethodInvocation( AgentProxy proxy ) : 
       call( public AgentProxy+.*(..) )  && 	@annotation(Lock) 	
           && target( proxy );
    
    
    before( AgentProxy proxy ) : avoidLockedMethodInvocation( proxy ){
	
	if( isAgentProxyLocked( proxy ) )
	    throw new Exception();
	else
	    proceed( proxy );
    }


But it gives me a "formal unbound" error on the proxy parameter. Moreover
I'm in doubt if it is correct to use the annotation pointcut in such a way.
What I want to avoid is that a method like the following is invoked:

public class myproxy extends AgentProxy{
    @Lock()
   public void method(){}
}

Anybody can give me some hint?

Thanks,
Luca
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