Re: [jbosscache-dev] New collections

Should these migrate to jboss-common so they can come from there in future releases? Or if not come from there for JBC use, be available to projects outside JBC? Manik Surtani wrote: > Guys, > I have created 3 new collection impls in trunk - ImmutableListCopy, > ImmutableSetCopy and ImmutableMapCopy. I have also ported the > first 2 to branch 2.2.x (the reason why I didnt port the third is > because the MapCopy which it replaces can get serialized and I > don't want to break binary compat). > See the Javadoc of these classes for more details, but in a > nutshell these are very efficient alternatives to the "immutable > and defensively copied" idiom. I.e., if you ever find yourself > doing: > return Collections.unmodifiableList(new ArrayList(internalList)) > you should consider ImmutableListCopy instead. Constructon time is > about a tenth of the combined time it takes to create an ArrayList > and then wrap it in an UnmodifiableList. Also, iteration is very > quick since the internal array is immutable. Please keep this in > mind when working on JBC code. > Cheers, > -- > Manik Surtani > Lead, JBoss Cache > manik(a)jboss.org > _______________________________________________ > jbosscache-dev mailing list > jbosscache-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/jbosscache-dev -- Brian Stansberry Lead, AS Clustering JBoss, a division of Red Hat brian.stansberry(a)redhat.com