## Uses of Interface
org.apache.lucene.search.join.BitSetProducer

- - ### Uses of BitSetProducer in org.apache.lucene.search.join

    Classes in org.apache.lucene.search.join that implement BitSetProducer
    Modifier and Type | Class and Description
    --- | ---
    `class` | `QueryBitSetProducer` A `BitSetProducer` that wraps a query and caches matching `BitSet`s per segment.

    Methods in org.apache.lucene.search.join with parameters of type BitSetProducer
    Modifier and Type | Method and Description
    --- | ---
    `static void` | CheckJoinIndex.`check(IndexReader reader, BitSetProducer parentsFilter)` Check that the given index is good to use for block joins.

    Constructors in org.apache.lucene.search.join with parameters of type BitSetProducer
    Constructor and Description
    `ParentChildrenBlockJoinQuery(BitSetProducer parentFilter, Query childQuery, int parentDocId)` Creates a `ParentChildrenBlockJoinQuery` instance
    `ToChildBlockJoinQuery(Query parentQuery, BitSetProducer parentsFilter)` Create a ToChildBlockJoinQuery.
    `ToParentBlockJoinQuery(Query childQuery, BitSetProducer parentsFilter, ScoreMode scoreMode)` Create a ToParentBlockJoinQuery.
    `ToParentBlockJoinSortField(String field, SortField.Type type, boolean reverse, BitSetProducer parentFilter, BitSetProducer childFilter)` Create ToParentBlockJoinSortField.
    `ToParentBlockJoinSortField(String field, SortField.Type type, boolean reverse, boolean order, BitSetProducer parentFilter, BitSetProducer childFilter)` Create ToParentBlockJoinSortField.

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