I'm pretty sure this should work :
after() returning(boolean b) : get(....) {
}
that's valid for an "after", no way of doing it in a "before" is not using
an around.
Simone
Get the actual value on access on a field? without using reflection or
similar?
2011/1/7 Andy Clement <[email protected]>
> I feel there ought to be a neater way I can't quite think of, but
> these are options:
>
> import org.aspectj.lang.reflect.*;
>
> public aspect Foo {
> boolean around(): get(boolean value) {
> boolean b = proceed();
> System.out.println("around advice: "+b);
> return b;
> }
>
> after(C target): get(boolean C.value) && target(target) {
> try {
> boolean b =
>
> ((FieldSignature)thisJoinPoint.getSignature()).getField().getBoolean(target);
> System.out.println("before advice: "+b);
> } catch (Exception e) {}
> }
>
> public static void main(String []argv) {
> new C().run();
> }
> }
>
> class C {
> boolean value = true;
>
> public void run() {
> boolean b = value;
> value= false;
> b = value;
> }
> }
>
> Andy
>
> On 7 January 2011 08:10, tomansley <[email protected]> wrote:
> >
> > (NOTE: If anybody has a way of being able to do meaningful searches on
> "get"
> > and "set" then let me know. I have searched the web for my question
> below
> > and am stymied by how to actually perform the search)
> >
> > Hi all,
> >
> > I am playing around with the "get" and "set" primitives and am not having
> > luck gaining access to the variable that is being retrieved with the
> "get".
> > The set works fine. The following code allows me to gain access to the
> > variable (isCacheEnabled) that is being set along with the new value that
> > the value is being set to.
> >
> > before(Boolean newval): set(Boolean ReferenceDataWorker+.isCacheEnabled)
> &&
> > args(newval) {
> > System.out.println("isCacheEnabled has been set and the new value
> is " +
> > newval);
> > }
> >
> > This works great and I am able to print out the new value that
> > isCacheEnabled is being set to. The same cannot be said for when I use
> the
> > "get" primitive. Obviously I do not have the argument available since
> there
> > is no argument. I am trying to print out the value of isCacheEnabled
> before
> > (or after for that matter) its retrieved.
> >
> > before(): get(Boolean ReferenceDataWorker+.isCacheEnabled) {
> > System.out.println("isCacheEnabled has been retrieved and the
> value is " +
> > isCacheEnabled);
> > }
> >
> > My question is: How do I gain access to the "isCacheEnabled" variable
> when
> > using the "get" primitive? If anyone has anymore useful tips on gaining
> > access to variables then that would be great as well. I have tried
> > understanding "this", "target" etc but I think I am missing something
> > fundamental.
> >
> > Any help greatly appreciated.
> >
> > Cheers
> > Tom
> > --
> > View this message in context:
> http://aspectj.2085585.n4.nabble.com/Retrieving-value-whilst-using-the-get-primitive-tp3179362p3179362.html
> > Sent from the AspectJ - users mailing list archive at Nabble.com.
> > _______________________________________________
> > aspectj-users mailing list
> > [email protected]
> > https://dev.eclipse.org/mailman/listinfo/aspectj-users
> >
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