Re: [aspectj-users] Performance problem with @annotation(x) on field acc

[Andy Clement <andrew.clement@xxxxxxxxx>]

Hi,

Please raise a bugzilla for this improvement:
https://bugs.eclipse.org/bugs/enter_bug.cgi?product=AspectJ

cheers,
Andy

On 2 September 2011 04:13, Maik Jablonski <maik.jablonski@xxxxxxxxx> wrote:
> Hi,
>
> some time ago there was a bug report about slow performance with
> @annotation on method level:
>
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=296484
>
> I want to report a similar issue with the @annotation on field access level.
>
> Using something like the following advice which captures the use of a
> @Bind-annotation on field set access results in poor performance:
>
>        Object around(Object host, Bind bind, Object newGuest)
>        : set(@Bind !java.util.Collection+ *.*)
>                        && this(host) && args(newGuest) && @annotation(bind)
>        {
>                // ...
>                return proceed(host, bind, newGuest);
>        }
>
> A workaround similar to the one descirbed in the bug reports performs
> much better:
>
>        Object around(Object host, Object newGuest)
>        : set(@Bind !java.util.Collection+ *.*)
>                && this(host) && args(newGuest)
>        {
>                Bind bind = ((FieldSignature)
> thisJoinPointStaticPart.getSignature()).getField().getAnnotation(Bind.class);
>                // ...
>                return proceed(host, newGuest);
>        }
>
> HTH, Maik
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