RFR: 8253086: Optimization of removeAll and retainAll of ObservableListWrapper

[yosbits]

On Mon, 21 Sep 2020 11:59:55 GMT, Jeanette Winzenburg <fastegal at openjdk.org> wrote:

>> I can't answer(, but my intuition is a pattern of lack of skill).
>> Officially, I don't know because the history is interrupted.
>
> digging a bit: the BitSet was introduced with https://bugs.openjdk.java.net/browse/JDK-8093144 to solve some problem
> with selectionModels - don't know whether those still hold (there had been extensive changes to selection since then).

Thank you for searching for the origin of this strange code. However, as far as I read the comments, my intuition seems
to be correct.

-------------

PR: https://git.openjdk.java.net/jfx/pull/305