Re: [aspectj-users] Use of wildcards in pointcut designators....

[Russell Miles <russellmiles@xxxxxxx>]

hmm,

I would try something perhaps like (as a first stab):

pointcut outputLog() : call(public * MyClass.f*(..)) || call(protected 
* MyClass.f*(..));

But something even neater would perhaps be:

pointcut outputLog() : call(* MyClass.f*(..)) && !within(MyClass)

By including the !within then I am basically stating that I am not 
interested in calls that MyClass makes to itself. Now, if MyClass is 
making any calls to private methods (as MyClass is the only type that 
can make these calls in the first place .. apart from privileged 
aspects :) then they will not be caught but this does have the 
disadvantage of not capturing any calls that MyClass makes to it's own 
public and protected methods so it might not be what you are looking 
for? Really a question for your specific situation.

Oh and Jim, Have a great time in the new Job!

Cheers,

Russ



On 29 Jul 2004, at 15:12, Swati Pradhan wrote:

> Hi,
>
> I am still not very clear...
> Lets suppose that my class name is MyClass and I want
> to match all the private and protected (not public
> ones) methods of MyClass. So, how I will define a
> pointcut then....
>
> Well, I am using book "Mastering AspectJ" by Joseph
> D.Gradecki and Nicholas Lesiecki for reference... and
> it says (on page 62-63) that we can define pcd like:
>
> call(* * DVD.*(*)) or
> call(* void DVD.*(*)) or
> call(* * *.*(*)).
>
> But all of the above give compilation error...
>
> Russell, you say that access types are enumeration so
> is there any other way to match them, other than
> specifying them in pcd...
>
> Thanks in advance...
> Swati
>
>
> --- Russell Miles <russellmiles@xxxxxxx> wrote:
>
> > Hi Swati,
> >
> > First of all, what's the name of the class that the
> > methods are on?
> > Also, you seem to be confusing wildcard behavior on
> > the components of a
> > Signature (as the single parameter to a call pcd)
> > with wildcards on a
> > String.
> >
> > If, for example, the class that contained the
> > methods was MyClass then
> > the following pcd should work to capture all three
> > calls:
> >
> > pointcut outputLog() : call(* MyClass.f*(..));
> >
> > This doesn't treat the modifier as a string, rather
> > an enumeration that
> > we simply are not interested in. Hope this helps :)
> >
> > AspectJ is at 1.2 and is available for download from
> >
> > www.eclipse.org/aspectj. This is the usual
> > distribution with a compile
> > time weaver as well as some work done on load time
> > weaving (see older
> > postings to this list for info on that).
> >
> > Cheers,
> >
> > Russ
> >
> >
> >
> > On 29 Jul 2004, at 12:30, Swati Pradhan wrote:
> >
> > > Hi everybody,
> > >
> > > I am new to AOSD... and there are few questions...
> > >
> > > I am trying some simple examples... and need some
> > > clarification on the use of wildcard in the
> > following
> > > context:
> > >
> > > I have a java program with 3 functions:
> > >     1) public int f1(int i);
> > >
> > >     2) private void f2();
> > >
> > >     3) protected int f3(int);
> > >
> > > If I declare a pointcut:
> > >
> > >     pointcut outputLog() : call(pr* * f*(..));
> > >
> > > for all the private and protected functions...
> > >
> > > both ajc 1.1.1 and 1.0.6 gives  compiler error:
> > >
> > >  expected "(", found f
> > >  pointcut outputLog() : call(pr* * f*(..));
> > >
> > >
> > > I am not clear: what's wrong with the pointcut
> > format.
> > > Can't we use wildcards for access type?... Can
> > anyone
> > > explain this to me ....
> > >
> > >
> > > Please also let me know where I can find details
> > of
> > > how AspectJ is implemented.... (like how proceed()
> > is
> > > implemeted and why the particular implementation
> > is
> > > preffered to other alternatives)...
> > >
> > > One last question.... does AspectJ has a recent
> > > version of Compile time weaver after Aspectj1.0.6.
> > >
> > > Thanks,
> > > Swati
> > >
> > >
> > >
> > > 		
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