## Uses of Interface
org.apache.lucene.util.Bits

Packages that use Bits
org.apache.lucene.codecs: Codecs API: API for customization of the encoding and structure of the index.
org.apache.lucene.codecs.lucene40: Lucene 4.0 file format.
org.apache.lucene.codecs.lucene41: Lucene 4.1 file format.
org.apache.lucene.index: Code to maintain and access indices.
org.apache.lucene.search: Code to search indices.
org.apache.lucene.search.payloads: The payloads package provides Query mechanisms for finding and using payloads.
org.apache.lucene.search.spans: The calculus of spans.
org.apache.lucene.util: Some utility classes.

Uses of Bits in org.apache.lucene.codecs

Methods in org.apache.lucene.codecs that return Bits
`abstract Bits` `LiveDocsFormat.readLiveDocs(Directory dir, SegmentInfoPerCommit info, IOContext context)` Read live docs bits.

Methods in org.apache.lucene.codecs with parameters of type Bits
`abstract DocsEnum` `PostingsReaderBase.docs(FieldInfo fieldInfo, BlockTermState state, Bits skipDocs, DocsEnum reuse, int flags)` Must fully consume state, since after this call that TermState may be reused.
`abstract DocsAndPositionsEnum` `PostingsReaderBase.docsAndPositions(FieldInfo fieldInfo, BlockTermState state, Bits skipDocs, DocsAndPositionsEnum reuse, int flags)` Must fully consume state, since after this call that TermState may be reused.
`abstract MutableBits` `LiveDocsFormat.newLiveDocs(Bits existing)` Creates a new mutablebits of the same bits set and size of existing.

Uses of Bits in org.apache.lucene.codecs.lucene40

Methods in org.apache.lucene.codecs.lucene40 that return Bits
`Bits` `Lucene40LiveDocsFormat.readLiveDocs(Directory dir, SegmentInfoPerCommit info, IOContext context)`

Methods in org.apache.lucene.codecs.lucene40 with parameters of type Bits
`DocsEnum` `Lucene40PostingsReader.docs(FieldInfo fieldInfo, BlockTermState termState, Bits liveDocs, DocsEnum reuse, int flags)` Deprecated.
`DocsAndPositionsEnum` `Lucene40PostingsReader.docsAndPositions(FieldInfo fieldInfo, BlockTermState termState, Bits liveDocs, DocsAndPositionsEnum reuse, int flags)` Deprecated.
`MutableBits` `Lucene40LiveDocsFormat.newLiveDocs(Bits existing)`

Uses of Bits in org.apache.lucene.codecs.lucene41

Methods in org.apache.lucene.codecs.lucene41 with parameters of type Bits
`DocsEnum` `Lucene41PostingsReader.docs(FieldInfo fieldInfo, BlockTermState termState, Bits liveDocs, DocsEnum reuse, int flags)`
`DocsAndPositionsEnum` `Lucene41PostingsReader.docsAndPositions(FieldInfo fieldInfo, BlockTermState termState, Bits liveDocs, DocsAndPositionsEnum reuse, int flags)`

Uses of Bits in org.apache.lucene.index

Methods in org.apache.lucene.index that return Bits
`Bits` `ParallelAtomicReader.getLiveDocs()`
`Bits` `FilterAtomicReader.getLiveDocs()`
`Bits` `SlowCompositeReaderWrapper.getLiveDocs()`
`abstract Bits` `AtomicReader.getLiveDocs()` Returns the `Bits` representing live (not deleted) docs.
`Bits` `SegmentReader.getLiveDocs()`
`static Bits` `MultiFields.getLiveDocs(IndexReader reader)` Returns a single `Bits` instance for this reader, merging live Documents on the fly.

Methods in org.apache.lucene.index with parameters of type Bits
`DocsEnum` `TermsEnum.docs(Bits liveDocs, DocsEnum reuse)` Get `DocsEnum` for the current term.
`DocsEnum` `MultiTermsEnum.docs(Bits liveDocs, DocsEnum reuse, int flags)`
`DocsEnum` `FilterAtomicReader.FilterTermsEnum.docs(Bits liveDocs, DocsEnum reuse, int flags)`
`abstract DocsEnum` `TermsEnum.docs(Bits liveDocs, DocsEnum reuse, int flags)` Get `DocsEnum` for the current term, with control over whether freqs are required.
`DocsEnum` `FilteredTermsEnum.docs(Bits bits, DocsEnum reuse, int flags)`
`DocsAndPositionsEnum` `TermsEnum.docsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse)` Get `DocsAndPositionsEnum` for the current term.
`DocsAndPositionsEnum` `MultiTermsEnum.docsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse, int flags)`
`DocsAndPositionsEnum` `FilterAtomicReader.FilterTermsEnum.docsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse, int flags)`
`abstract DocsAndPositionsEnum` `TermsEnum.docsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse, int flags)` Get `DocsAndPositionsEnum` for the current term, with control over whether offsets and payloads are required.
`DocsAndPositionsEnum` `FilteredTermsEnum.docsAndPositions(Bits bits, DocsAndPositionsEnum reuse, int flags)`
`static DocsEnum` `MultiFields.getTermDocsEnum(IndexReader r, Bits liveDocs, String field, BytesRef term)` Returns `DocsEnum` for the specified field & term.
`static DocsEnum` `MultiFields.getTermDocsEnum(IndexReader r, Bits liveDocs, String field, BytesRef term, int flags)` Returns `DocsEnum` for the specified field & term, with control over whether freqs are required.
`static DocsAndPositionsEnum` `MultiFields.getTermPositionsEnum(IndexReader r, Bits liveDocs, String field, BytesRef term)` Returns `DocsAndPositionsEnum` for the specified field & term.
`static DocsAndPositionsEnum` `MultiFields.getTermPositionsEnum(IndexReader r, Bits liveDocs, String field, BytesRef term, int flags)` Returns `DocsAndPositionsEnum` for the specified field & term, with control over whether offsets and payloads are required.
`protected void` `DocTermOrds.uninvert(AtomicReader reader, Bits liveDocs, BytesRef termPrefix)` Call this only once (if you subclass!)

Constructors in org.apache.lucene.index with parameters of type Bits
`DocTermOrds(AtomicReader reader, Bits liveDocs, String field)` Inverts all terms
`DocTermOrds(AtomicReader reader, Bits liveDocs, String field, BytesRef termPrefix)` Inverts only terms starting w/ prefix
`DocTermOrds(AtomicReader reader, Bits liveDocs, String field, BytesRef termPrefix, int maxTermDocFreq)` Inverts only terms starting w/ prefix, and only terms whose docFreq (not taking deletions into account) is <= maxTermDocFreq
`DocTermOrds(AtomicReader reader, Bits liveDocs, String field, BytesRef termPrefix, int maxTermDocFreq, int indexIntervalBits)` Inverts only terms starting w/ prefix, and only terms whose docFreq (not taking deletions into account) is <= maxTermDocFreq, with a custom indexing interval (default is every 128nd term).

Uses of Bits in org.apache.lucene.search

Fields in org.apache.lucene.search declared as Bits
`protected Bits` `FieldCacheDocIdSet.acceptDocs`
`protected Bits` `FieldComparator.NumericComparator.docsWithField`

Methods in org.apache.lucene.search that return Bits
`Bits` `FieldCacheDocIdSet.bits()`
`Bits` `FilteredDocIdSet.bits()`
`Bits` `DocIdSet.bits()` Optionally provides a `Bits` interface for random access to matching documents.
`Bits` `FieldCache.getDocsWithField(AtomicReader 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.

Methods in org.apache.lucene.search with parameters of type Bits
`DocsEnum` `FuzzyTermsEnum.docs(Bits liveDocs, DocsEnum reuse, int flags)`
`DocsAndPositionsEnum` `FuzzyTermsEnum.docsAndPositions(Bits liveDocs, DocsAndPositionsEnum reuse, int flags)`
`abstract DocIdSet` `DocTermOrdsRangeFilter.getDocIdSet(AtomicReaderContext context, Bits acceptDocs)` This method is implemented for each data type
`abstract DocIdSet` `Filter.getDocIdSet(AtomicReaderContext context, Bits acceptDocs)` Creates a `DocIdSet` enumerating the documents that should be permitted in search results.
`DocIdSet` `QueryWrapperFilter.getDocIdSet(AtomicReaderContext context, Bits acceptDocs)`
`abstract DocIdSet` `FieldCacheRangeFilter.getDocIdSet(AtomicReaderContext context, Bits acceptDocs)` This method is implemented for each data type
`DocIdSet` `CachingWrapperFilter.getDocIdSet(AtomicReaderContext context, Bits acceptDocs)`
`DocIdSet` `FieldCacheTermsFilter.getDocIdSet(AtomicReaderContext context, Bits acceptDocs)`
`DocIdSet` `FieldValueFilter.getDocIdSet(AtomicReaderContext context, Bits acceptDocs)`
`DocIdSet` `MultiTermQueryWrapperFilter.getDocIdSet(AtomicReaderContext context, Bits acceptDocs)` Returns a DocIdSet with documents that should be permitted in search results.
`Scorer` `ConstantScoreQuery.ConstantWeight.scorer(AtomicReaderContext context, boolean scoreDocsInOrder, boolean topScorer, Bits acceptDocs)`
`abstract Scorer` `Weight.scorer(AtomicReaderContext context, boolean scoreDocsInOrder, boolean topScorer, Bits acceptDocs)` Returns a `Scorer` which scores documents in/out-of order according to `scoreDocsInOrder`.
`Scorer` `DisjunctionMaxQuery.DisjunctionMaxWeight.scorer(AtomicReaderContext context, boolean scoreDocsInOrder, boolean topScorer, Bits acceptDocs)` Create the scorer used to score our associated DisjunctionMaxQuery
`Scorer` `BooleanQuery.BooleanWeight.scorer(AtomicReaderContext context, boolean scoreDocsInOrder, boolean topScorer, Bits acceptDocs)`
`protected boolean` `FilteredQuery.RandomAccessFilterStrategy.useRandomAccess(Bits bits, int firstFilterDoc)` Expert: decides if a filter should be executed as "random-access" or not.
`static DocIdSet` `BitsFilteredDocIdSet.wrap(DocIdSet set, Bits acceptDocs)` Convenience wrapper method: If `acceptDocs == null` it returns the original set without wrapping.

Constructors in org.apache.lucene.search with parameters of type Bits
`BitsFilteredDocIdSet(DocIdSet innerSet, Bits acceptDocs)` Constructor.
`FieldCacheDocIdSet(int maxDoc, Bits acceptDocs)`

Uses of Bits in org.apache.lucene.search.payloads

Methods in org.apache.lucene.search.payloads with parameters of type Bits
`Scorer` `PayloadNearQuery.PayloadNearSpanWeight.scorer(AtomicReaderContext context, boolean scoreDocsInOrder, boolean topScorer, Bits acceptDocs)`
`Scorer` `PayloadTermQuery.PayloadTermWeight.scorer(AtomicReaderContext context, boolean scoreDocsInOrder, boolean topScorer, Bits acceptDocs)`

Uses of Bits in org.apache.lucene.search.spans

Methods in org.apache.lucene.search.spans with parameters of type Bits
`Spans` `SpanTermQuery.getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`Spans` `SpanPositionCheckQuery.getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`Spans` `SpanOrQuery.getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`Spans` `FieldMaskingSpanQuery.getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`Spans` `SpanMultiTermQueryWrapper.getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`Spans` `SpanNearQuery.getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`abstract Spans` `SpanQuery.getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)` Expert: Returns the matches for this query in an index.
`Spans` `SpanNotQuery.getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`Scorer` `SpanWeight.scorer(AtomicReaderContext context, boolean scoreDocsInOrder, boolean topScorer, Bits acceptDocs)`

Constructors in org.apache.lucene.search.spans with parameters of type Bits
`NearSpansOrdered(SpanNearQuery spanNearQuery, AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`NearSpansOrdered(SpanNearQuery spanNearQuery, AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts, boolean collectPayloads)`
`NearSpansUnordered(SpanNearQuery query, AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`
`SpanPositionCheckQuery.PositionCheckSpan(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts)`

Uses of Bits in org.apache.lucene.util

Subinterfaces of Bits in org.apache.lucene.util
`interface` `MutableBits` Extension of Bits for live documents.

Classes in org.apache.lucene.util that implement Bits
`static class` `Bits.MatchAllBits` Bits impl of the specified length with all bits set.
`static class` `Bits.MatchNoBits` Bits impl of the specified length with no bits set.
`class` `DocIdBitSet` Simple DocIdSet and DocIdSetIterator backed by a BitSet
`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` OpenBitSet with added methods to bulk-update the bits from a `DocIdSetIterator`.

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

Methods in org.apache.lucene.util that return Bits
`Bits` `OpenBitSet.bits()`
`Bits` `DocIdBitSet.bits()`
`Bits` `FixedBitSet.bits()`

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