Re: [aspectj-users] Re: A switch oddity

[Wes Isberg <wes@xxxxxxxxxxxxxx>]

aspect A {

   public final String Runnable.name = "Runnable";
}

Charles Zhang wrote:

> Hey, Matthew, thanks for the reply. So, basically, a final Java field
> cannot be declared in AspectJ, right? For my application, I can always get
> around. But I can't think of philosophically why aspects should be
> prohibited from doing so. Could this be a bug or an intended behaviour?
> Thanks again.
>
> Charles
>
> On Tue, 10 Feb 2004, Matthew Webster wrote:
>
>
> > Charles,
> >
> > Modifiers on inter-type declarations refer only to usage by the aspect and
> > do no determine the actual Java visibility. For example a private ITD field
> > is actually public WRT Java but given a mangled name so that it cannot be
> > used by other types. The same applies to final i.e. a final ITD field can
> > only be set in the scope of an initializer in the aspect that declares it.
> > These rules are policed by the AspectJ compiler. A final ITD field could
> > not be declared final WRT Java because otherwise its value could not be set
> > in the scope of the aspect (static final fields can only be set in a static
> > initializer and final fields in a constructor).
> >
> > The implementation of final has some unfortunate side effects as you have
> > discovered.
> >
> > Matthew Webster
> > AOSD Project
> > Java Technology Centre, MP146
> > IBM Hursley Park, Winchester,  SO21 2JN, England
> > Telephone: +44 196 2816139 (external) 246139 (internal)
> > Email: Matthew Webster/UK/IBM @ IBMGB, matthew_webster@xxxxxxxxxx
> > http://w3.hursley.ibm.com/~websterm/
> >
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