I added an issue to the issue tracker if you also are in need of that method and want to star it
http://code.google.com/p/google-web-toolkit/issues/detail?id=4663 Dominik On 19 Feb., 09:09, Dominik Steiner <dominik.j.stei...@googlemail.com> wrote: > @Chris, > > yes, thanks for the tip, I already tried that by getSuperclass() will > not get any classes that are implemented by this class but only a > superclass. So I would not be able to use interfaces but only extend > from a base class to which i could also attach a listener too and that > would be triggered if a subclass event would be fired, but that's not > the same than having the power and flexibility of interfaces. > > @Nathan, > > your solution is what I tried first and my junit tests would run just > fine with this but GWT doesn't implement theisAssignableFrom() > method, so that's why I'm looking for some alternatives if there are? > > Thanks again for your great help and perhaps there are other solutions > out there still? > > Dominik > > > The JRE Emulation Reference says, that getSuperclass() is supported. > >http://code.google.com/webtoolkit/doc/latest/RefJreEmulation.html > > Maybe you can make do with this? > > > Chris > > > On Feb 19, 3:58 am, Dominik Steiner <dominik.j.stei...@googlemail.com> > > wrote: > >> Hi there, > > >> I'm trying to implement an event bus that will receive register > >> listeners like this > > >> public <T extends Event> void registerListener(Class<T> > >> eventClassname, EventListener<T> eventListener); > >> (Event is a custom interface) > > >> what i would like then to achieve would be to be able to fire an > >> event > > >> public void fireEvent(Event event); > > >> and be able to trigger all my event listeners that either are of the > >> same event.getClass() or that are assignable from the event class > >> that > >> has been fired. Getting all the listeners that correspond to the > >> event > >> class itself is no problem, but how can i achieve getting all the > >> listeners that registered to a interface that the event class might > >> implement without being able to use Class.isAssignableFrom()? > > >> Thanks for any hints and help in advance. > > >> Dominik > > > -- > > You received this message because you are subscribed to the Google > > Groups "Google Web Toolkit" group. > > To post to this group, send email to google-web-toolkit@googlegroups.com > > . > > To unsubscribe from this group, send email to > > google-web-toolkit+unsubscr...@googlegroups.com > > . > > For more options, visit this group > > athttp://groups.google.com/group/google-web-toolkit?hl=en > > . -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-tool...@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
