org.apache.lucene.search.join

Interface BitSetProducer

All Known Implementing Classes:

BitDocIdSetCachingWrapperFilter, BitDocIdSetFilter, QueryBitSetProducer

public interface BitSetProducer

A producer of BitSets per segment.

Method Summary

Modifier and Type	Method and Description
BitSet	getBitSet(LeafReaderContext context) Produce a BitSet matching the expected documents on the given segment.

Method Detail

getBitSet

BitSet getBitSet(LeafReaderContext context)
          throws IOException

Produce a BitSet matching the expected documents on the given segment. This may return null if no documents match.

Throws:

IOException