[jira] Commented: (LUCENE-2628) Extract OpenBitSet to Apache Commons

["Robert Muir (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-2628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903885#action_12903885 ] 

Robert Muir commented on LUCENE-2628:
-------------------------------------

I think things like this should stay in Lucene and their implementations should remain specialized towards our use cases.

If we put them in apache commons and depend on them ourselves, then other use cases might want to make tradeoffs that
are bad for lucene (but perhaps good for other use cases).

Additionally the lucene core has no external dependencies, and I dont think we should add any.

In short, I don't see what we would gain here.

> Extract OpenBitSet to Apache Commons
> ------------------------------------
>
>                 Key: LUCENE-2628
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2628
>             Project: Lucene - Java
>          Issue Type: Wish
>            Reporter: Stu Hood
>
> o.a.l.util.OpenBitSet is a great alternative to java.util.BitSet, and it is generally useful outside of the search field. It would be great if OpenBitSet were available outside of Lucene proper, perhaps as part of Apache Commons.
> Aside from the communication required to accomplish this, there is the small issue of OpenBitSet extending o.a.l.search.DocIdSet in Lucene 3.0. There is very little logic contained in DocIdSet, so it could probably become an interface: Lucene proper could then extend the extract version of OpenBitSet to implement DocIdSet.

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