On Jul 3, 2012, at 7:18 PM, Vincent Massol wrote: > Hi Andreas, > > On Jul 3, 2012, at 11:10 AM, Andreas Jonsson wrote: > >> Hi, >> >> This vote is about adding the following three clirr excludes: >> >> * This interface is completely refactored: >> >> <exclude>org/xwiki/chart/model/ChartModel</exclude> >> >> * This class is removed: >> >> <exclude>org/xwiki/chart/model/DefaultChartModel</exclude> > > Was this class supposed to be public before or was it an error? > >> >> * The constants 'SOURCE' and 'PARAMS' are removed from this interface: >> >> <exclude>org/xwiki/rendering/macro/chart/ChartDataSource</exclude> > > The question is: is there a reasonably easy way to not cause backward compat > breakages for those classes? > > From what I see this miss creating completely new interfaces for at least:
Sorry, I meant "means", not "miss"... -Vincent > ChartModel > ChartGenerator > DataSource > ChartDataSource > > So in essence this means deprecating lots of classes in > xwiki-platform-chart-renderer and introducing lots of new ones (although they > can share common code). > > So I think it's a bit too much work for the problem at hand since this API is > not one of the most used API and this is likely to not impact many users. > > Also: > * The chart module is not used anywhere else in the platform except in > oldcore by the old chart plugin > * I'd like use to deprecate and retire the old chart plugin > > Thus the chart macro and the other chart modules are good candidates to be > non core extensions and thus a user who really wants to stay on the > oldversion could do so (provided he doesn't use the old chart plugin). > >> >> I am refactoring the chart macro and the interface 'ChartModel' is could >> previously only be used for producing table-like datasets, but the jfree >> chart library can produce plots from a wide range of dataset types. So the >> new version of the interface is instead used for delivering the dataset and >> the axis configuration to the chart generator. >> >> I have deliberately choosed to not try abstracting away the fact that the >> chart macro uses the jfree chart library. Doing so would require >> introducing a large number of wrapper classes that would duplicate the >> functionality existing classes and it would still not be particularly easy >> to just plug in another chart library. > > +1 to that > >> Here is my +1. > > +1 too > > Thanks > -Vincent > >> >> Best Regards, >> >> /Andreas _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs

