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https://issues.apache.org/jira/browse/LUCENE-2628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12904379#action_12904379
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Hoss Man commented on LUCENE-2628:
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bq. so lets be honest, the "lucene" part boils down to: 'please delete this
class and depend on this jar file instead.
agreed ... if commons wants to include OpenBitSet, and promote it's use to the
java community at large, i'm all for that, but i don' really see any Lucene
issue here at the moment. If Commons's version of OpenBitSet takes off and
becomes the defacto "bit set" impl people us in Java, then Lucene may want to
reconsider it's current "no deps for core" policy and start depending on
commons-bitset, but we aren't there yet, so we aren't there yet, so this is
really a non-issue.
{quote}
I think a util jar is a great idea but not so we can publish it for others. As
we modularise more, there will be utility classes that are useful across
multiple modules. I dont think they should be stuck into lucene-core just
because its the only consistent dependency. But I don't think OBS fits into
this pool necessary since it really is tuned for the search func in
lucene-core.
{quote}
...
{quote}
Can you give a concrete example how a "utility jar" would be useful?
I didn't think so.
Can you give a concrete example how a "utility jar" would be useful?
I didn't think so.
{quote}
FWIW: I can ... the snag robert ran into in SOLR-2034. we don't want SolrJ to
have a dependency on lucene-core, but it would be nice to re-use the UTF-8
serialization code instead of duplicating it.
> 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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