| Re: [aspectj-users] Pointcut to a Collection.add() method on a particular type of argument? |
pointcut addEntity(Object o):
I think this is not possible. But maybe Andy Clement knows better. It would not be the first time he surprised me. Meanwhile, check out my workaround at http://stackoverflow.com/a/24797868/1082681.
--
Alexander Kriegisch
http://scrum-master.de
Eric B schrieb am 17.07.2014 07:12:
> Thanks. What if want to advise based on an annotation rather than a type? I tried
>
> pointcut addEntity(@MyAnnotation * s):
> call( * java.util.Collection+.add( * ))
> && args(s);
>
> But got syntax error that @MyAnnotation is not allowed.
>
>
> On Jul 17, 2014 1:05 AM, "Ulises Juárez Martínez" <ujuarez71@xxxxxxxxx <mailto:ujuarez71@xxxxxxxxx> > wrote:
>> add() signature is:
>>
>> add(E e)
>>
>> Thus, * matches anything, but java.lang.String is not E.
>>
>> Change your pointcut to:
>>
>> pointcut addEntity(String s):
>> call( * java.util.Collection+.add( * ))
>> && args(s);
>>
>>
>>
>> On Wed, Jul 16, 2014 at 10:31 PM, Eric B <ebenzacar@xxxxxxxxx <mailto:ebenzacar@xxxxxxxxx> > wrote:
>> > I'm trying to write a pointcut against a Collection.add() method given a
>> > specific type of argument, but everytime I specify the argument type the
>> > pointcut fails to advise.
>> >
>> > Given the following code:
>> > List<String> x = new ArrayList<String>();
>> > x.add("Some String)";
>> >
>> > This works:
>> >
>> > pointcut addEntity(): call( * java.util.Collection+.add( * ));
>> >
>> > However, this does not:
>> >
>> > pointcut addEntity(): call( * java.util.Collection+.add( java.util.String
>> > ));
>> >
>> >
>> > Is there a specific reason why I cannot specify the type of argument I want
>> > to advise against?
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