# org.apache.lucene.search.join

## Interfaces

- BitSetProducer

## Classes

- BitDocIdSetCachingWrapperFilter
- BitDocIdSetFilter
- BlockJoinSelector
- CheckJoinIndex
- JoinUtil
- QueryBitSetProducer
- ToChildBlockJoinQuery
- ToParentBlockJoinCollector
- ToParentBlockJoinIndexSearcher
- ToParentBlockJoinQuery
- ToParentBlockJoinQuery.ChildrenMatchesScorer
- ToParentBlockJoinSortField

## Enums

- BlockJoinSelector.Type
- ScoreMode