Uses of Interface

Packages that use Bits Code to search indices. 
org.apache.lucene.util Some utility classes. 

Uses of Bits in

Fields in declared as Bits
protected  Bits FieldComparator.NumericComparator.docsWithField

Methods in that return Bits
 Bits FieldCache.getDocsWithField(IndexReader reader, String field)
          Checks the internal cache for an appropriate entry, and if none is found, reads the terms in field and returns a bit set at the size of reader.maxDoc(), with turned on bits for each docid that does have a value for this field.

Uses of Bits in org.apache.lucene.util

Classes in org.apache.lucene.util that implement Bits
static class Bits.MatchAllBits
static class Bits.MatchNoBits
 class BitVector
          Optimized implementation of a vector of bits.
 class FixedBitSet
          BitSet of fixed length (numBits), backed by accessible (FixedBitSet.getBits()) long[], accessed with an int index, implementing Bits and DocIdSet.
 class OpenBitSet
          An "open" BitSet implementation that allows direct access to the array of words storing the bits.
 class OpenBitSetDISI

Fields in org.apache.lucene.util declared as Bits
static Bits[] Bits.EMPTY_ARRAY

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