Add new bit set impl for caching filters
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Key: LUCENE-3280
URL: https://issues.apache.org/jira/browse/LUCENE-3280
Project: Lucene - Java
Issue Type: Improvement
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: 3.4, 4.0
Attachments: LUCENE-3280.patch
I think OpenBitSet is trying to satisfy too many audiences, and it's
confusing/error-proned as a result. It has int/long variants of many
methods. Some methods require in-bound access, others don't; of those
others, some methods auto-grow the bits, some don't. OpenBitSet
doesn't always know its numBits.
I'd like to factor out a more "focused" bit set impl whose primary
target usage is a cached Lucene Filter, ie a bit set indexed by docID
(int, not long) whose size is known and fixed up front (backed by
final long[]) and is always accessed in-bounds.
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