Uses of Package
org.apache.lucene.util

Packages that use org.apache.lucene.util

org.apache.lucene.analysis	API and code to convert text into indexable/searchable tokens.
org.apache.lucene.analysis.ar	Analyzer for Arabic.
org.apache.lucene.analysis.bg	Analyzer for Bulgarian.
org.apache.lucene.analysis.br	Analyzer for Brazilian Portuguese.
org.apache.lucene.analysis.ca	Analyzer for Catalan.
org.apache.lucene.analysis.cjk	Analyzer for Chinese, Japanese, and Korean, which indexes bigrams (overlapping groups of two adjacent Han characters).
org.apache.lucene.analysis.cn	Analyzer for Chinese, which indexes unigrams (individual chinese characters).
org.apache.lucene.analysis.cn.smart	Analyzer for Simplified Chinese, which indexes words.
org.apache.lucene.analysis.compound	A filter that decomposes compound words you find in many Germanic languages into the word parts.
org.apache.lucene.analysis.cz	Analyzer for Czech.
org.apache.lucene.analysis.da	Analyzer for Danish.
org.apache.lucene.analysis.de	Analyzer for German.
org.apache.lucene.analysis.el	Analyzer for Greek.
org.apache.lucene.analysis.en	Analyzer for English.
org.apache.lucene.analysis.es	Analyzer for Spanish.
org.apache.lucene.analysis.eu	Analyzer for Basque.
org.apache.lucene.analysis.fa	Analyzer for Persian.
org.apache.lucene.analysis.fi	Analyzer for Finnish.
org.apache.lucene.analysis.fr	Analyzer for French.
org.apache.lucene.analysis.ga	Analysis for Irish.
org.apache.lucene.analysis.gl	Analyzer for Galician.
org.apache.lucene.analysis.hi	Analyzer for Hindi.
org.apache.lucene.analysis.hu	Analyzer for Hungarian.
org.apache.lucene.analysis.hunspell	Stemming TokenFilter using a Java implementation of the Hunspell stemming algorithm.
org.apache.lucene.analysis.hy	Analyzer for Armenian.
org.apache.lucene.analysis.icu	Analysis components based on ICU
org.apache.lucene.analysis.icu.segmentation	Tokenizer that breaks text into words with the Unicode Text Segmentation algorithm.
org.apache.lucene.analysis.icu.tokenattributes	Additional ICU-specific Attributes for text analysis.
org.apache.lucene.analysis.id	Analyzer for Indonesian.
org.apache.lucene.analysis.in	Analysis components for Indian languages.
org.apache.lucene.analysis.it	Analyzer for Italian.
org.apache.lucene.analysis.ja	Analyzer for Japanese.
org.apache.lucene.analysis.ja.dict	Kuromoji dictionary implementation.
org.apache.lucene.analysis.ja.tokenattributes	Additional Kuromoji-specific Attributes for text analysis.
org.apache.lucene.analysis.lv	Analyzer for Latvian.
org.apache.lucene.analysis.miscellaneous	Miscellaneous TokenStreams
org.apache.lucene.analysis.ngram	Character n-gram tokenizers and filters.
org.apache.lucene.analysis.nl	Analyzer for Dutch.
org.apache.lucene.analysis.no	Analyzer for Norwegian.
org.apache.lucene.analysis.path	Analysis components for path-like strings such as filenames.
org.apache.lucene.analysis.payloads	Provides various convenience classes for creating payloads on Tokens.
org.apache.lucene.analysis.phonetic	Analysis components for phonetic search.
org.apache.lucene.analysis.pl	Analyzer for Polish.
org.apache.lucene.analysis.position	Filter for assigning position increments.
org.apache.lucene.analysis.pt	Analyzer for Portuguese.
org.apache.lucene.analysis.query	Automatically filter high-frequency stopwords.
org.apache.lucene.analysis.reverse	Filter to reverse token text.
org.apache.lucene.analysis.ro	Analyzer for Romanian.
org.apache.lucene.analysis.ru	Analyzer for Russian.
org.apache.lucene.analysis.shingle	Word n-gram filters
org.apache.lucene.analysis.sinks	Implementations of the SinkTokenizer that might be useful.
org.apache.lucene.analysis.snowball	TokenFilter and Analyzer implementations that use Snowball stemmers.
org.apache.lucene.analysis.standard	Standards-based analyzers implemented with JFlex.
org.apache.lucene.analysis.stempel	Stempel: Algorithmic Stemmer
org.apache.lucene.analysis.sv	Analyzer for Swedish.
org.apache.lucene.analysis.synonym	Analysis components for Synonyms.
org.apache.lucene.analysis.th	Analyzer for Thai.
org.apache.lucene.analysis.tokenattributes	Useful Attributes for text analysis.
org.apache.lucene.analysis.tr	Analyzer for Turkish.
org.apache.lucene.analysis.wikipedia	Tokenizer that is aware of Wikipedia syntax.
org.apache.lucene.collation	CollationKeyFilter converts each token into its binary CollationKey using the provided Collator, and then encode the CollationKey as a String using IndexableBinaryStringTools, to allow it to be stored as an index term.
org.apache.lucene.facet.enhancements	Enhanced category features
org.apache.lucene.facet.enhancements.association	Association category enhancements
org.apache.lucene.facet.index.attributes	Category attributes and their properties for indexing
org.apache.lucene.facet.index.streaming	Expert: attributes streaming definition for indexing facets
org.apache.lucene.facet.search	Faceted Search API
org.apache.lucene.facet.taxonomy	Taxonomy of Categories
org.apache.lucene.facet.taxonomy.directory	Taxonomy implemented using a Lucene-Index
org.apache.lucene.index	Code to maintain and access indices.
org.apache.lucene.queryParser	A simple query parser implemented with JavaCC.
org.apache.lucene.queryParser.analyzing	QueryParser that passes Fuzzy-, Prefix-, Range-, and WildcardQuerys through the given analyzer.
org.apache.lucene.queryParser.complexPhrase	QueryParser which permits complex phrase query syntax eg "(john jon jonathan~) peters*"
org.apache.lucene.queryParser.core.config	Contains the base classes used to configure the query processing
org.apache.lucene.queryParser.ext	Extendable QueryParser provides a simple and flexible extension mechanism by overloading query field names.
org.apache.lucene.queryParser.standard.config	Standard Lucene Query Configuration
org.apache.lucene.search	Code to search indices.
org.apache.lucene.search.grouping	This module enables search result grouping with Lucene, where hits with the same value in the specified single-valued group field are grouped together.
org.apache.lucene.search.highlight	The highlight package contains classes to provide "keyword in context" features typically used to highlight search terms in the text of results pages.
org.apache.lucene.search.similar	Document similarity query generators.
org.apache.lucene.search.spell	Suggest alternate spellings for words.
org.apache.lucene.search.suggest	Support for Autocomplete/Autosuggest
org.apache.lucene.search.suggest.fst	Finite-state based autosuggest.
org.apache.lucene.store.instantiated	InstantiatedIndex, alternative RAM store for small corpora.
org.apache.lucene.util	Some utility classes.
org.apache.lucene.util.fst	Finite state transducers

Classes in org.apache.lucene.util used by org.apache.lucene.analysis

Attribute
Base interface for attributes.

AttributeImpl
Base class for Attributes that can be added to a AttributeSource.

AttributeReflector
This interface is used to reflect contents of AttributeSource or AttributeImpl.

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

LuceneTestCase
Base class for all Lucene unit tests, Junit3 or Junit4 variant.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ar

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.bg

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.br

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ca

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.cjk

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.cn

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.cn.smart

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.compound

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.cz

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.da

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.de

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.el

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.en

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.es

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.eu

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.fa

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.fi

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.fr

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ga

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.gl

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.hi

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.hu

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.hunspell

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.hy

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.icu

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.icu.segmentation

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.icu.tokenattributes

Attribute
Base interface for attributes.

AttributeImpl
Base class for Attributes that can be added to a AttributeSource.

AttributeReflector
This interface is used to reflect contents of AttributeSource or AttributeImpl.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.id

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.in

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.it

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ja

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ja.dict

IntsRef
Represents int[], as a slice (offset + length) into an existing int[].

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ja.tokenattributes

Attribute
Base interface for attributes.

AttributeImpl
Base class for Attributes that can be added to a AttributeSource.

AttributeReflector
This interface is used to reflect contents of AttributeSource or AttributeImpl.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.lv

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.miscellaneous

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ngram

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.nl

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.no

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.path

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.payloads

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.phonetic

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.State
This class holds the state of an AttributeSource.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.pl

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.position

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.pt

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.query

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.reverse

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ro

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.ru

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.shingle

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.sinks

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.snowball

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.standard

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.stempel

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.sv

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.synonym

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

BytesRef
Represents byte[], as a slice (offset + length) into an existing byte[].

BytesRefHash
BytesRefHash is a special purpose hash-map like data-structure optimized for BytesRef instances.

CharsRef
Represents char[], as a slice (offset + length) into an existing char[].

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.th

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.tokenattributes

Attribute
Base interface for attributes.

AttributeImpl
Base class for Attributes that can be added to a AttributeSource.

AttributeReflector
This interface is used to reflect contents of AttributeSource or AttributeImpl.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.tr

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.analysis.wikipedia

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

Classes in org.apache.lucene.util used by org.apache.lucene.collation

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.facet.enhancements

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.facet.enhancements.association

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.facet.index.attributes

Attribute
Base interface for attributes.

AttributeImpl
Base class for Attributes that can be added to a AttributeSource.

Classes in org.apache.lucene.util used by org.apache.lucene.facet.index.streaming

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.facet.search

OpenBitSet
An "open" BitSet implementation that allows direct access to the array of words storing the bits.

Classes in org.apache.lucene.util used by org.apache.lucene.facet.taxonomy

TwoPhaseCommit
An interface for implementations that support 2-phase commit.

Classes in org.apache.lucene.util used by org.apache.lucene.facet.taxonomy.directory

TwoPhaseCommit
An interface for implementations that support 2-phase commit.

Classes in org.apache.lucene.util used by org.apache.lucene.index

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

BitVector
Optimized implementation of a vector of bits.

LuceneTestCase
Base class for all Lucene unit tests, Junit3 or Junit4 variant.

SetOnce
A convenient class which offers a semi-immutable object wrapper implementation which allows one to set the value of an object exactly once, and retrieve it many times.

TwoPhaseCommit
An interface for implementations that support 2-phase commit.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.queryParser

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

LuceneTestCase
Base class for all Lucene unit tests, Junit3 or Junit4 variant.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.queryParser.analyzing

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.queryParser.complexPhrase

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.queryParser.core.config

Attribute
Base interface for attributes.

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.queryParser.ext

Version
Use by certain classes to match version compatibility across releases of Lucene.

Classes in org.apache.lucene.util used by org.apache.lucene.queryParser.standard.config

Attribute
Base interface for attributes.

AttributeImpl
Base class for Attributes that can be added to a AttributeSource.

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.search

Bits
Interface for Bitset-like structures.

Counter
Simple counter class

LuceneTestCase
Base class for all Lucene unit tests, Junit3 or Junit4 variant.

OpenBitSetDISI
OpenBitSet with added methods to bulk-update the bits from a DocIdSetIterator.

PriorityQueue
A PriorityQueue maintains a partial ordering of its elements such that the least element can always be found in constant time.

Classes in org.apache.lucene.util used by org.apache.lucene.search.grouping

FixedBitSet
BitSet of fixed length (numBits), backed by accessible (FixedBitSet.getBits()) long[], accessed with an int index, implementing Bits and DocIdSet.

Classes in org.apache.lucene.util used by org.apache.lucene.search.highlight

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

Classes in org.apache.lucene.util used by org.apache.lucene.search.similar

PriorityQueue
A PriorityQueue maintains a partial ordering of its elements such that the least element can always be found in constant time.

Classes in org.apache.lucene.util used by org.apache.lucene.search.spell

BytesRef
Represents byte[], as a slice (offset + length) into an existing byte[].

BytesRefIterator
A simple iterator interface for BytesRef iteration.

PriorityQueue
A PriorityQueue maintains a partial ordering of its elements such that the least element can always be found in constant time.

Classes in org.apache.lucene.util used by org.apache.lucene.search.suggest

BytesRef
Represents byte[], as a slice (offset + length) into an existing byte[].

BytesRefIterator
A simple iterator interface for BytesRef iteration.

PriorityQueue
A PriorityQueue maintains a partial ordering of its elements such that the least element can always be found in constant time.

Classes in org.apache.lucene.util used by org.apache.lucene.search.suggest.fst

BytesRef
Represents byte[], as a slice (offset + length) into an existing byte[].

BytesRefIterator
A simple iterator interface for BytesRef iteration.

Classes in org.apache.lucene.util used by org.apache.lucene.store.instantiated

BitVector
Optimized implementation of a vector of bits.

Classes in org.apache.lucene.util used by org.apache.lucene.util

Attribute
Base interface for attributes.

AttributeImpl
Base class for Attributes that can be added to a AttributeSource.

AttributeReflector
This interface is used to reflect contents of AttributeSource or AttributeImpl.

AttributeSource
An AttributeSource contains a list of different AttributeImpls, and methods to add and get them.

AttributeSource.AttributeFactory
An AttributeFactory creates instances of AttributeImpls.

AttributeSource.State
This class holds the state of an AttributeSource.

Bits
Interface for Bitset-like structures.

ByteBlockPool
Class that Posting and PostingVector use to write byte streams into shared fixed-size byte[] arrays.

ByteBlockPool.Allocator
Abstract class for allocating and freeing byte blocks.

BytesRef
Represents byte[], as a slice (offset + length) into an existing byte[].

BytesRefHash.BytesStartArray
Manages allocation of the per-term addresses.

BytesRefIterator
A simple iterator interface for BytesRef iteration.

CharacterUtils
CharacterUtils provides a unified interface to Character-related operations to implement backwards compatible character operations based on a Version instance.

CharacterUtils.CharacterBuffer
A simple IO buffer to use with CharacterUtils.fill(CharacterBuffer, Reader).

CharsRef
Represents char[], as a slice (offset + length) into an existing char[].

Counter
Simple counter class

DoubleBarrelLRUCache.CloneableKey
Object providing clone(); the key class must subclass this.

DummyConcurrentLock
A dummy lock as a replacement for ReentrantLock to disable locking

FieldCacheSanityChecker.Insanity
Simple container for a collection of related CacheEntry objects that in conjunction with each other represent some "insane" usage of the FieldCache.

FieldCacheSanityChecker.InsanityType
An Enumeration of the different types of "insane" behavior that may be detected in a FieldCache.

FixedBitSet
BitSet of fixed length (numBits), backed by accessible (FixedBitSet.getBits()) long[], accessed with an int index, implementing Bits and DocIdSet.

IntsRef
Represents int[], as a slice (offset + length) into an existing int[].

LuceneJUnitResultFormatter
Just like BriefJUnitResultFormatter "brief" bundled with ant, except all formatted text is buffered until the test suite is finished.

LuceneTestCase
Base class for all Lucene unit tests, Junit3 or Junit4 variant.

NumericUtils.IntRangeBuilder
Expert: Callback for NumericUtils.splitIntRange(org.apache.lucene.util.NumericUtils.IntRangeBuilder, int, int, int).

NumericUtils.LongRangeBuilder
Expert: Callback for NumericUtils.splitLongRange(org.apache.lucene.util.NumericUtils.LongRangeBuilder, int, long, long).

OpenBitSet
An "open" BitSet implementation that allows direct access to the array of words storing the bits.

PagedBytes
Represents a logical byte[] as a series of pages.

PagedBytes.PagedBytesDataInput

PagedBytes.PagedBytesDataOutput

PagedBytes.Reader
Provides methods to read BytesRefs from a frozen PagedBytes.

RamUsageEstimator.JvmFeature
JVM diagnostic features.

SmartRandom
A random that tracks if its been initialized properly, and throws an exception if it hasn't.

StringInterner
Subclasses of StringInterner are required to return the same single String object for all equal strings.

ThrottledIndexOutput
Intentionally slow IndexOutput for testing.

TwoPhaseCommit
An interface for implementations that support 2-phase commit.

TwoPhaseCommitTool.CommitFailException
Thrown by TwoPhaseCommitTool.execute(TwoPhaseCommit...) when an object fails to commit().

TwoPhaseCommitTool.PrepareCommitFailException
Thrown by TwoPhaseCommitTool.execute(TwoPhaseCommit...) when an object fails to prepareCommit().

UnicodeUtil.UTF16Result
Holds decoded UTF16 code units.

UnicodeUtil.UTF8Result
Holds decoded UTF8 code units.

Version
Use by certain classes to match version compatibility across releases of Lucene.

Vint8.Position
Because Java lacks call-by-reference, this class boxes the decoding position, which is initially set by the caller, and returned after decoding, incremented by the number of bytes processed.

VirtualMethod
A utility for keeping backwards compatibility on previously abstract methods (or similar replacements).

WeakIdentityMap
Implements a combination of WeakHashMap and IdentityHashMap.

Classes in org.apache.lucene.util used by org.apache.lucene.util.fst

BytesRef
Represents byte[], as a slice (offset + length) into an existing byte[].

IntsRef
Represents int[], as a slice (offset + length) into an existing int[].