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From "Robert Muir (JIRA)" <>
Subject [jira] Commented: (LUCENE-2628) Extract OpenBitSet to Apache Commons
Date Mon, 30 Aug 2010 12:47:57 GMT


Robert Muir commented on LUCENE-2628:

bq. Should be pretty strong reasons to break things out into modules. I don't want to have
to piece together 15 tiny jars every time i write a some simple lucene code.

I agree. an example that might fit this case would be queryparsing: 
* there is a mix of functionality strewn across lucene/solr. 
* most of them are 99% the same and differ only in one small piece
* its a back compat nightmare (given javacc grammars etc)
* functionality and consistency lags behind, maybe due to the above: e.g. lack of span support
in most

for something like that, i wouldnt mind an additional jar if it was all cleaned up and organized
into a module, where things like Version could be dropped
and it could evolve naturally: real versions and you just keep using the old jar if you want
exact behavior.

> Extract OpenBitSet to Apache Commons
> ------------------------------------
>                 Key: LUCENE-2628
>                 URL:
>             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 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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