Uses of Class
org.apache.lucene.store.DataOutput

Packages that use DataOutput

Package	Description
org.apache.lucene.codecs	Codecs API: API for customization of the encoding and structure of the index.
org.apache.lucene.codecs.blocktree	BlockTree terms dictionary.
org.apache.lucene.codecs.blocktreeords	Same postings format as Lucene50, except the terms dictionary also supports ords, i.e.
org.apache.lucene.codecs.bloom	Codec PostingsFormat for fast access to low-frequency terms such as primary key fields.
org.apache.lucene.codecs.compressing	StoredFieldsFormat that allows cross-document and cross-field compression of stored fields.
org.apache.lucene.codecs.idversion	A primary-key postings format that associates a version (long) with each term and can provide fail-fast lookups by ID and version.
org.apache.lucene.codecs.lucene50	Components from the Lucene 5.0 index format See org.apache.lucene.codecs.lucene80 for an overview of the index format.
org.apache.lucene.codecs.lucene84	Components from the Lucene 8.4 index format.
org.apache.lucene.codecs.lucene87	Lucene 8.7 file format.
org.apache.lucene.codecs.memory	Term dictionary, DocValues or Postings formats that are read entirely into memory.
org.apache.lucene.codecs.simpletext	Simpletext Codec: writes human readable postings.
org.apache.lucene.codecs.uniformsplit	Pluggable term index / block terms dictionary implementations.
org.apache.lucene.codecs.uniformsplit.sharedterms	Pluggable term index / block terms dictionary implementations.
org.apache.lucene.index	Code to maintain and access indices.
org.apache.lucene.search	Code to search indices.
org.apache.lucene.search.suggest	Support for Autocomplete/Autosuggest
org.apache.lucene.search.suggest.analyzing	Analyzer based autosuggest.
org.apache.lucene.search.suggest.document	Support for document suggestion
org.apache.lucene.search.suggest.fst	Finite-state based autosuggest.
org.apache.lucene.search.suggest.jaspell	JaSpell-based autosuggest.
org.apache.lucene.search.suggest.tst	Ternary Search Tree based autosuggest.
org.apache.lucene.store	Binary i/o API, used for all index data.
org.apache.lucene.util	Some utility classes.
org.apache.lucene.util.bkd	Block KD-tree, implementing the generic spatial data structure described in this paper.
org.apache.lucene.util.compress	Compression utilities.
org.apache.lucene.util.fst	Finite state transducers
org.apache.lucene.util.packed	Packed integer arrays and streams.

Uses of DataOutput in org.apache.lucene.codecs

Methods in org.apache.lucene.codecs with parameters of type DataOutput

Modifier and Type	Method	Description
abstract void	PostingsWriterBase.encodeTerm(DataOutput out, FieldInfo fieldInfo, BlockTermState state, boolean absolute)	Encode metadata as long[] and byte[].
static void	CodecUtil.verifyAndCopyIndexHeader(IndexInput in, DataOutput out, byte[] expectedID)	Expert: verifies the incoming IndexInput has an index header and that its segment ID matches the expected one, and then copies that index header into the provided DataOutput.
static void	CodecUtil.writeHeader(DataOutput out, String codec, int version)	Writes a codec header, which records both a string to identify the file and a version number.
static void	CodecUtil.writeIndexHeader(DataOutput out, String codec, int version, byte[] id, String suffix)	Writes a codec header for an index file, which records both a string to identify the format of the file, a version number, and data to identify the file instance (ID and auxiliary suffix such as generation).

Uses of DataOutput in org.apache.lucene.codecs.blocktree

Fields in org.apache.lucene.codecs.blocktree declared as DataOutput

Modifier and Type	Field	Description
private final DataOutput	BlockTreeTermsWriter.StatsWriter.out

Methods in org.apache.lucene.codecs.blocktree with parameters of type DataOutput

Modifier and Type	Method	Description
private static void	BlockTreeTermsWriter.writeBytesRef(DataOutput out, BytesRef bytes)

Constructors in org.apache.lucene.codecs.blocktree with parameters of type DataOutput

Modifier	Constructor	Description
(package private)	StatsWriter(DataOutput out, boolean hasFreqs)

Uses of DataOutput in org.apache.lucene.codecs.blocktreeords

Methods in org.apache.lucene.codecs.blocktreeords with parameters of type DataOutput

Modifier and Type	Method	Description
void	FSTOrdsOutputs.write(FSTOrdsOutputs.Output prefix, DataOutput out)

Uses of DataOutput in org.apache.lucene.codecs.bloom

Methods in org.apache.lucene.codecs.bloom with parameters of type DataOutput

Modifier and Type	Method	Description
void	FuzzySet.serialize(DataOutput out)	Serializes the data set to file using the following format: FuzzySet -->FuzzySetVersion,HashFunctionName,BloomSize, NumBitSetWords,BitSetWordNumBitSetWords HashFunctionName --> String The name of a ServiceProvider registered HashFunction FuzzySetVersion --> Uint32 The version number of the FuzzySet class BloomSize --> Uint32 The modulo value used to project hashes into the field's Bitset NumBitSetWords --> Uint32 The number of longs (as returned from FixedBitSet.getBits()) BitSetWord --> Long A long from the array returned by FixedBitSet.getBits()

Uses of DataOutput in org.apache.lucene.codecs.compressing

Methods in org.apache.lucene.codecs.compressing with parameters of type DataOutput

Modifier and Type	Method	Description
void	CompressionMode.DeflateCompressor.compress(byte[] bytes, int off, int len, DataOutput out)
void	CompressionMode.LZ4FastCompressor.compress(byte[] bytes, int off, int len, DataOutput out)
void	CompressionMode.LZ4HighCompressor.compress(byte[] bytes, int off, int len, DataOutput out)
abstract void	Compressor.compress(byte[] bytes, int off, int len, DataOutput out)	Compress bytes into out.
private static void	CompressingStoredFieldsWriter.saveInts(int[] values, int length, DataOutput out)
(package private) static void	CompressingStoredFieldsWriter.writeTLong(DataOutput out, long l)	Writes a long in a variable-length format.
(package private) static void	CompressingStoredFieldsWriter.writeZDouble(DataOutput out, double d)	Writes a float in a variable-length format.
(package private) static void	CompressingStoredFieldsWriter.writeZFloat(DataOutput out, float f)	Writes a float in a variable-length format.

Uses of DataOutput in org.apache.lucene.codecs.idversion

Methods in org.apache.lucene.codecs.idversion with parameters of type DataOutput

Modifier and Type	Method	Description
void	IDVersionPostingsWriter.encodeTerm(DataOutput out, FieldInfo fieldInfo, BlockTermState _state, boolean absolute)

Uses of DataOutput in org.apache.lucene.codecs.lucene50

Constructors in org.apache.lucene.codecs.lucene50 with parameters of type DataOutput

Modifier	Constructor	Description
(package private)	ForUtil(float acceptableOverheadRatio, DataOutput out)	Create a new ForUtil instance and save state into out.

Uses of DataOutput in org.apache.lucene.codecs.lucene84

Methods in org.apache.lucene.codecs.lucene84 with parameters of type DataOutput

Modifier and Type	Method	Description
(package private) void	ForUtil.encode(long[] longs, int bitsPerValue, DataOutput out)	Encode 128 integers from longs into out.
(package private) void	PForUtil.encode(long[] longs, DataOutput out)	Encode 128 integers from longs into out.
(package private) void	ForDeltaUtil.encodeDeltas(long[] longs, DataOutput out)	Encode deltas of a strictly monotonically increasing sequence of integers.
void	Lucene84PostingsWriter.encodeTerm(DataOutput out, FieldInfo fieldInfo, BlockTermState _state, boolean absolute)
(package private) static void	Lucene84SkipWriter.writeImpacts(CompetitiveImpactAccumulator acc, DataOutput out)

Uses of DataOutput in org.apache.lucene.codecs.lucene87

Methods in org.apache.lucene.codecs.lucene87 with parameters of type DataOutput

Modifier and Type	Method	Description
void	DeflateWithPresetDictCompressionMode.DeflateWithPresetDictCompressor.compress(byte[] bytes, int off, int len, DataOutput out)
void	LZ4WithPresetDictCompressionMode.LZ4WithPresetDictCompressor.compress(byte[] bytes, int off, int len, DataOutput out)
private void	DeflateWithPresetDictCompressionMode.DeflateWithPresetDictCompressor.doCompress(byte[] bytes, int off, int len, DataOutput out)
private void	LZ4WithPresetDictCompressionMode.LZ4WithPresetDictCompressor.doCompress(byte[] bytes, int dictLen, int len, DataOutput out)

Uses of DataOutput in org.apache.lucene.codecs.memory

Methods in org.apache.lucene.codecs.memory with parameters of type DataOutput

Modifier and Type	Method	Description
void	FSTTermOutputs.write(FSTTermOutputs.TermData data, DataOutput out)

Uses of DataOutput in org.apache.lucene.codecs.simpletext

Subclasses of DataOutput in org.apache.lucene.codecs.simpletext

Modifier and Type	Class	Description
(package private) static class	SimpleTextSegmentInfoFormat.BytesRefOutput

Methods in org.apache.lucene.codecs.simpletext with parameters of type DataOutput

Modifier and Type	Method	Description
static void	SimpleTextUtil.write(DataOutput out, String s, BytesRefBuilder scratch)
static void	SimpleTextUtil.write(DataOutput out, BytesRef b)
static void	SimpleTextUtil.writeNewline(DataOutput out)

Uses of DataOutput in org.apache.lucene.codecs.uniformsplit

Methods in org.apache.lucene.codecs.uniformsplit with parameters of type DataOutput

Modifier and Type	Method	Description
void	BlockHeader.Serializer.write(DataOutput output, BlockHeader blockHeader)
void	FieldMetadata.Serializer.write(DataOutput output, FieldMetadata fieldMetadata)
void	FSTDictionary.write(DataOutput output, BlockEncoder blockEncoder)
void	IndexDictionary.write(DataOutput output, BlockEncoder blockEncoder)	Writes this dictionary to the provided output.
protected int	UniformSplitTermsWriter.writeFieldTerms(BlockWriter blockWriter, DataOutput fieldsOutput, TermsEnum termsEnum, FieldInfo fieldInfo, NormsProducer normsProducer)
protected void	BlockLine.Serializer.writeIncrementallyEncodedTerm(TermBytes termBytes, TermBytes previousTermBytes, boolean isIncrementalEncodingSeed, DataOutput blockOutput)
void	BlockLine.Serializer.writeLine(DataOutput blockOutput, BlockLine line, BlockLine previousLine, int termStateRelativeOffset, boolean isIncrementalEncodingSeed)	Writes a line and its offset to the corresponding term state details in the details region.
protected void	BlockLine.Serializer.writeLineTermState(DataOutput termStatesOutput, BlockLine line, FieldInfo fieldInfo, DeltaBaseTermStateSerializer encoder)	Writes the term state details of a line in the details region.
void	DeltaBaseTermStateSerializer.writeTermState(DataOutput termStatesOutput, FieldInfo fieldInfo, BlockTermState termState)	Writes a BlockTermState to the provided DataOutput.
void	BlockEncoder.WritableBytes.writeTo(DataOutput dataOutput)	Writes the bytes to the provided DataOutput.

Uses of DataOutput in org.apache.lucene.codecs.uniformsplit.sharedterms

Methods in org.apache.lucene.codecs.uniformsplit.sharedterms with parameters of type DataOutput

Modifier and Type	Method	Description
void	STBlockLine.Serializer.writeLineTermStates(DataOutput termStatesOutput, STBlockLine line, DeltaBaseTermStateSerializer encoder)	Writes all the BlockTermState of the provided STBlockLine to the given output.

Uses of DataOutput in org.apache.lucene.index

Subclasses of DataOutput in org.apache.lucene.index

Modifier and Type	Class	Description
(package private) final class	ByteSliceWriter	Class to write byte streams into slices of shared byte[].

Fields in org.apache.lucene.index declared as DataOutput

Modifier and Type	Field	Description
private final DataOutput	BinaryDocValuesWriter.bytesOut

Methods in org.apache.lucene.index with parameters of type DataOutput

Modifier and Type	Method	Description
private void	FreqProxTermsWriter.SortingPostingsEnum.addPositions(PostingsEnum in, DataOutput out)
static void	SortFieldProvider.write(SortField sf, DataOutput output)	Writes a SortField to a DataOutput
abstract void	SortFieldProvider.writeSortField(SortField sf, DataOutput out)	Writes a SortField to a DataOutput This is used to record index sort information in segment headers
long	ByteSliceReader.writeTo(DataOutput out)
(package private) void	DocValuesUpdate.BinaryDocValuesUpdate.writeTo(DataOutput out)
(package private) void	DocValuesUpdate.NumericDocValuesUpdate.writeTo(DataOutput out)
(package private) abstract void	DocValuesUpdate.writeTo(DataOutput output)

Constructors in org.apache.lucene.index with parameters of type DataOutput

Modifier	Constructor	Description
	CorruptIndexException(String message, DataOutput output)	Create exception with a message only
	CorruptIndexException(String message, DataOutput output, Throwable cause)	Create exception with message and root cause.

Uses of DataOutput in org.apache.lucene.search

Methods in org.apache.lucene.search with parameters of type DataOutput

Modifier and Type	Method	Description
private void	SortedNumericSortField.serialize(DataOutput out)
private void	SortedSetSortField.serialize(DataOutput out)
private void	SortField.serialize(DataOutput out)
void	SortedNumericSortField.Provider.writeSortField(SortField sf, DataOutput out)
void	SortedSetSortField.Provider.writeSortField(SortField sf, DataOutput out)
void	SortField.Provider.writeSortField(SortField sf, DataOutput out)

Uses of DataOutput in org.apache.lucene.search.suggest

Methods in org.apache.lucene.search.suggest with parameters of type DataOutput

Modifier and Type	Method	Description
abstract boolean	Lookup.store(DataOutput output)	Persist the constructed lookup data to a directory.

Uses of DataOutput in org.apache.lucene.search.suggest.analyzing

Methods in org.apache.lucene.search.suggest.analyzing with parameters of type DataOutput

Modifier and Type	Method	Description
boolean	AnalyzingInfixSuggester.store(DataOutput in)
boolean	AnalyzingSuggester.store(DataOutput output)
boolean	FreeTextSuggester.store(DataOutput output)

Uses of DataOutput in org.apache.lucene.search.suggest.document

Methods in org.apache.lucene.search.suggest.document with parameters of type DataOutput

Modifier and Type	Method	Description
boolean	NRTSuggesterBuilder.store(DataOutput output)	Builds and stores a FST that can be loaded with NRTSuggester.load(IndexInput, CompletionPostingsFormat.FSTLoadMode))}

Uses of DataOutput in org.apache.lucene.search.suggest.fst

Methods in org.apache.lucene.search.suggest.fst with parameters of type DataOutput

Modifier and Type	Method	Description
boolean	FSTCompletionLookup.store(DataOutput output)
boolean	WFSTCompletionLookup.store(DataOutput output)

Uses of DataOutput in org.apache.lucene.search.suggest.jaspell

Methods in org.apache.lucene.search.suggest.jaspell with parameters of type DataOutput

Modifier and Type	Method	Description
boolean	JaspellLookup.store(DataOutput output)	Deprecated.
private void	JaspellLookup.writeRecursively(DataOutput out, JaspellTernarySearchTrie.TSTNode node)	Deprecated.

Uses of DataOutput in org.apache.lucene.search.suggest.tst

Methods in org.apache.lucene.search.suggest.tst with parameters of type DataOutput

Modifier and Type	Method	Description
boolean	TSTLookup.store(DataOutput output)
private void	TSTLookup.writeRecursively(DataOutput out, TernaryTreeNode node)

Uses of DataOutput in org.apache.lucene.store

Subclasses of DataOutput in org.apache.lucene.store

Modifier and Type	Class	Description
class	ByteArrayDataOutput	DataOutput backed by a byte array.
final class	ByteBuffersDataOutput	A DataOutput storing data in a list of ByteBuffers.
final class	ByteBuffersIndexOutput	An IndexOutput writing to a ByteBuffersDataOutput.
(package private) final class	FSDirectory.FSIndexOutput
final class	GrowableByteArrayDataOutput	A DataOutput that can be used to build a byte[].
class	IndexOutput	A DataOutput for appending data to a file in a Directory.
private static final class	NativeUnixDirectory.NativeUnixIndexOutput
class	OutputStreamDataOutput	A DataOutput wrapping a plain OutputStream.
class	OutputStreamIndexOutput	Implementation class for buffered IndexOutput that writes to an OutputStream.
class	RAMOutputStream	Deprecated. This class uses inefficient synchronization and is discouraged in favor of MMapDirectory.
final class	RateLimitedIndexOutput	A rate limiting IndexOutput

Methods in org.apache.lucene.store with parameters of type DataOutput

Modifier and Type	Method	Description
void	ByteBuffersDataOutput.copyTo(DataOutput output)	Copy the current content of this object into another DataOutput.
void	RAMOutputStream.writeTo(DataOutput out)	Deprecated. Copy the current contents of this buffer to the provided DataOutput.

Uses of DataOutput in org.apache.lucene.util

Subclasses of DataOutput in org.apache.lucene.util

Modifier and Type	Class	Description
final class	PagedBytes.PagedBytesDataOutput

Uses of DataOutput in org.apache.lucene.util.bkd

Methods in org.apache.lucene.util.bkd with parameters of type DataOutput

Modifier and Type	Method	Description
private void	BKDWriter.writeActualBounds(DataOutput out, int[] commonPrefixLengths, int count, IntFunction<BytesRef> packedValues)
private void	BKDWriter.writeCommonPrefixes(DataOutput out, int[] commonPrefixes, byte[] packedValue)
(package private) static void	DocIdsWriter.writeDocIds(int[] docIds, int start, int count, DataOutput out)
private void	BKDWriter.writeHighCardinalityLeafBlockPackedValues(DataOutput out, int[] commonPrefixLengths, int count, int sortedDim, IntFunction<BytesRef> packedValues, int compressedByteOffset)
private void	BKDWriter.writeLeafBlockDocs(DataOutput out, int[] docIDs, int start, int count)
private void	BKDWriter.writeLeafBlockPackedValues(DataOutput out, int[] commonPrefixLengths, int count, int sortedDim, IntFunction<BytesRef> packedValues, int leafCardinality)
private void	BKDWriter.writeLeafBlockPackedValuesRange(DataOutput out, int[] commonPrefixLengths, int start, int end, IntFunction<BytesRef> packedValues)
private void	BKDWriter.writeLowCardinalityLeafBlockPackedValues(DataOutput out, int[] commonPrefixLengths, int count, IntFunction<BytesRef> packedValues)

Uses of DataOutput in org.apache.lucene.util.compress

Methods in org.apache.lucene.util.compress with parameters of type DataOutput

Modifier and Type	Method	Description
static boolean	LowercaseAsciiCompression.compress(byte[] in, int len, byte[] tmp, DataOutput out)	Compress in[0:len] into out.
static void	LZ4.compress(byte[] bytes, int off, int len, DataOutput out, LZ4.HashTable ht)	Compress bytes[off:off+len] into out using at most 16kB of memory.
static void	LZ4.compressWithDictionary(byte[] bytes, int dictOff, int dictLen, int len, DataOutput out, LZ4.HashTable ht)	Compress bytes[dictOff+dictLen:dictOff+dictLen+len] into out using at most 16kB of memory.
private static void	LZ4.encodeLastLiterals(byte[] bytes, int anchor, int literalLen, DataOutput out)
private static void	LZ4.encodeLen(int l, DataOutput out)
private static void	LZ4.encodeLiterals(byte[] bytes, int token, int anchor, int literalLen, DataOutput out)
private static void	LZ4.encodeSequence(byte[] bytes, int anchor, int matchRef, int matchOff, int matchLen, DataOutput out)

Uses of DataOutput in org.apache.lucene.util.fst

Subclasses of DataOutput in org.apache.lucene.util.fst

Modifier and Type	Class	Description
(package private) class	BytesStore

Methods in org.apache.lucene.util.fst with parameters of type DataOutput

Modifier and Type	Method	Description
void	FST.save(DataOutput metaOut, DataOutput out)
void	ByteSequenceOutputs.write(BytesRef prefix, DataOutput out)
void	CharSequenceOutputs.write(CharsRef prefix, DataOutput out)
void	IntSequenceOutputs.write(IntsRef prefix, DataOutput out)
void	ListOfOutputs.write(Object output, DataOutput out)
void	NoOutputs.write(Object prefix, DataOutput out)
abstract void	Outputs.write(T output, DataOutput out)	Encode an output value into a DataOutput.
void	PairOutputs.write(PairOutputs.Pair<A,B> output, DataOutput writer)
void	PositiveIntOutputs.write(Long output, DataOutput out)
void	UpToTwoPositiveIntOutputs.write(Object _output, DataOutput out)
void	ListOfOutputs.writeFinalOutput(Object output, DataOutput out)
void	Outputs.writeFinalOutput(T output, DataOutput out)	Encode an final node output value into a DataOutput.
private void	FST.writeLabel(DataOutput out, int v)
void	BytesStore.writeTo(DataOutput out)	Writes all of our bytes to the target DataOutput.
void	FSTStore.writeTo(DataOutput out)
void	OffHeapFSTStore.writeTo(DataOutput out)
void	OnHeapFSTStore.writeTo(DataOutput out)

Uses of DataOutput in org.apache.lucene.util.packed

Fields in org.apache.lucene.util.packed declared as DataOutput

Modifier and Type	Field	Description
protected DataOutput	AbstractBlockPackedWriter.out
(package private) final DataOutput	PackedDataOutput.out
protected final DataOutput	PackedInts.Writer.out
(package private) final DataOutput	DirectWriter.output

Methods in org.apache.lucene.util.packed with parameters of type DataOutput

Modifier and Type	Method	Description
static DirectWriter	DirectWriter.getInstance(DataOutput output, long numValues, int bitsPerValue)	Returns an instance suitable for encoding numValues using bitsPerValue
static PackedInts.Writer	PackedInts.getWriter(DataOutput out, int valueCount, int bitsPerValue, float acceptableOverheadRatio)	Create a packed integer array writer for the given output, format, value count, and number of bits per value.
static PackedInts.Writer	PackedInts.getWriterNoHeader(DataOutput out, PackedInts.Format format, int valueCount, int bitsPerValue, int mem)	Expert: Create a packed integer array writer for the given output, format, value count, and number of bits per value.
void	AbstractBlockPackedWriter.reset(DataOutput out)	Reset this writer to wrap out.
void	GrowableWriter.save(DataOutput out)
void	PackedInts.Mutable.save(DataOutput out)	Save this mutable into out.
(package private) static void	AbstractBlockPackedWriter.writeVLong(DataOutput out, long i)

Constructors in org.apache.lucene.util.packed with parameters of type DataOutput

Modifier	Constructor	Description
	AbstractBlockPackedWriter(DataOutput out, int blockSize)	Sole constructor.
	BlockPackedWriter(DataOutput out, int blockSize)	Sole constructor.
(package private)	DirectWriter(DataOutput output, long numValues, int bitsPerValue)
	MonotonicBlockPackedWriter(DataOutput out, int blockSize)	Sole constructor.
	PackedDataOutput(DataOutput out)	Create a new instance that wraps out.
(package private)	PackedWriter(PackedInts.Format format, DataOutput out, int valueCount, int bitsPerValue, int mem)
protected	Writer(DataOutput out, int valueCount, int bitsPerValue)