> Now I would also like to know the cost of always broadcasting. I do > not > remember correctly but in vassili'blog there were some points to avoid > that. > Because in the past, in Smalltalk the dependency where broadcasting to > all the > dependents and this was inadequate and after they introduce > on:when:..... > to get only the right listener updated.
Yes, broadcasting was the reason why OBPackageBrowser was slow before we refactored it. Mondrian and OBPackageBrowser are happy with the current Announcement infrastructure. Cheers, Alexandre > > On Oct 31, 2009, at 11:18 PM, Lukas Renggli wrote: > >>> In current core image, Announcements is quite small (just around 10 >>> methods totally) and i doubt it provides enough >>> flexibility which would not require adding & reinventing additional >>> useful stuff on top of it. >> >> I have used these announcements in many large projects and I never >> needed to add anything. In fact, I would even vote to remove >> AnnouncementSet as I never used it or saw it used anywhere. >> Initially, >> I found it cool because the same trick is applied in the Exception >> hierarchy. Major projects like OmniBrowser (and to some extent also >> Seaside) use an even smaller subset of the functionality provided in >> the core package. >> >> The only thing that is maybe missing are weak announcements. I guess >> that could be useful, if Pharo provided a solid implementation of >> weak >> objects. >> >> Lukas >> >> -- >> Lukas Renggli >> http://www.lukas-renggli.ch >> >> _______________________________________________ >> Pharo-project mailing list >> [email protected] >> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > > > _______________________________________________ > Pharo-project mailing list > [email protected] > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project > -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. _______________________________________________ Pharo-project mailing list [email protected] http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
