Thank you Andy.
On Apr 25, 2016 1:24 PM, "Andy Clement" <[email protected]> wrote:
> If the types have a common super type, you could use that (or you could
> introduce one as a marker interface via declare parents perhaps).
>
> Worst case, if you don’t want to duplicate the code, you can use ‘Object’
> as the type and then do the necessary analysis in your advice to work out
> precisely what you need to do (i.e. which exact subclass it is).
>
> pointcut contextAccessed(Object thiz): get(private
> com.example.api.IContext *.ctx) && this(this);
>
> before(Object thiz): contextAccessed(thiz) {
> if (a instanceof Action) {
> ((Action)thiz).field = new Bar();
> } else if (thiz instanceof Expression) {
> ((Expression)thiz).field = new Bar();
> }
> }
>
> Andy
>
> > On Apr 24, 2016, at 7:06 PM, Mansour Al Akeel <[email protected]>
> wrote:
> >
> > I have a aspect to inject a value for a field:
> >
> > pointcut contextAccessed(Action action ):
> > get( private com.example.api.IContext *.ctx ) && this(action) ;
> >
> > before(Action action ): contextAccessed(action) {
> > ...
> >
> > This is working fine so far, and doing what I am expecting. However,
> > I need to inject IContext in more that one class. For example, I need
> > to define the pointcut to handle multiple classes. Currently, it's
> > processing "Action" class, but I want to add "Expression" class. I can
> > duplicate the code (copy/paste).
> >
> > For example I am looking for something like (this wont work):
> >
> > pointcut contextAccessed(Action action || Expression<?> expression):
> > get( private com.example.api.IContext *.ctx ) && this(action) ;
> >
> > before(Action action || Expression<?> expression ):
> > contextAccessed(action,expression) {
> > ....
> >
> > Is there a way to handle this case?
> > I am new to AspectJ, so an example would be highly appreciated.
> >
> > Thank you in advance
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