All Classes

Class	Description
AbstractEncoder	Base class for payload encoders.
AbstractWordsFileFilterFactory	Abstract parent class for analysis factories that accept a stopwords file as input.
AffixedWord	An object representing the analysis result of a simple (non-compound) word
AffixedWord.Affix	An object representing a prefix or a suffix applied to a word stem
Among	Internal class used by Snowball stemmers
ApostropheFilter	Strips all characters after an apostrophe (including the apostrophe itself).
ApostropheFilterFactory	Factory for ApostropheFilter.
ArabicAnalyzer	Analyzer for Arabic.
ArabicNormalizationFilter	A TokenFilter that applies ArabicNormalizer to normalize the orthography.
ArabicNormalizationFilterFactory	Factory for ArabicNormalizationFilter.
ArabicNormalizer	Normalizer for Arabic.
ArabicStemFilter	A TokenFilter that applies ArabicStemmer to stem Arabic words..
ArabicStemFilterFactory	Factory for ArabicStemFilter.
ArabicStemmer	Stemmer for Arabic.
ArabicStemmer	This class implements the stemming algorithm defined by a snowball script.
ArmenianAnalyzer	Analyzer for Armenian.
ArmenianStemmer	This class implements the stemming algorithm defined by a snowball script.
ASCIIFoldingFilter	This class converts alphabetic, numeric, and symbolic Unicode characters which are not in the first 127 ASCII characters (the "Basic Latin" Unicode block) into their ASCII equivalents, if one exists.
ASCIIFoldingFilterFactory	Factory for ASCIIFoldingFilter.
BaseCharFilter	Base utility class for implementing a CharFilter.
BasqueAnalyzer	Analyzer for Basque.
BasqueStemmer	This class implements the stemming algorithm defined by a snowball script.
BengaliAnalyzer	Analyzer for Bengali.
BengaliNormalizationFilter	A TokenFilter that applies BengaliNormalizer to normalize the orthography.
BengaliNormalizationFilterFactory	Factory for BengaliNormalizationFilter.
BengaliNormalizer	Normalizer for Bengali.
BengaliStemFilter	A TokenFilter that applies BengaliStemmer to stem Bengali words.
BengaliStemFilterFactory	Factory for BengaliStemFilter.
BengaliStemmer	Stemmer for Bengali.
BrazilianAnalyzer	Analyzer for Brazilian Portuguese language.
BrazilianStemFilter	A TokenFilter that applies BrazilianStemmer.
BrazilianStemFilterFactory	Factory for BrazilianStemFilter.
BrazilianStemmer	A stemmer for Brazilian Portuguese words.
BulgarianAnalyzer	Analyzer for Bulgarian.
BulgarianStemFilter	A TokenFilter that applies BulgarianStemmer to stem Bulgarian words.
BulgarianStemFilterFactory	Factory for BulgarianStemFilter.
BulgarianStemmer	Light Stemmer for Bulgarian.
ByteVector	This class implements a simple byte vector with access to the underlying array.
CapitalizationFilter	A filter to apply normal capitalization rules to Tokens.
CapitalizationFilterFactory	Factory for CapitalizationFilter.
CatalanAnalyzer	Analyzer for Catalan.
CatalanStemmer	This class implements the stemming algorithm defined by a snowball script.
CharArrayIterator	A CharacterIterator used internally for use with BreakIterator
CharTokenizer	An abstract base class for simple, character-oriented tokenizers.
CharVector	This class implements a simple char vector with access to the underlying array.
CJKAnalyzer	An Analyzer that tokenizes text with StandardTokenizer, normalizes content with CJKWidthFilter, folds case with LowerCaseFilter, forms bigrams of CJK with CJKBigramFilter, and filters stopwords with StopFilter
CJKBigramFilter	Forms bigrams of CJK terms that are generated from StandardTokenizer or ICUTokenizer.
CJKBigramFilterFactory	Factory for CJKBigramFilter.
CJKWidthCharFilter	A CharFilter that normalizes CJK width differences: Folds fullwidth ASCII variants into the equivalent basic latin Folds halfwidth Katakana variants into the equivalent kana
CJKWidthCharFilterFactory	Factory for CJKWidthCharFilter.
CJKWidthFilter	A TokenFilter that normalizes CJK width differences: Folds fullwidth ASCII variants into the equivalent basic latin Folds halfwidth Katakana variants into the equivalent kana
CJKWidthFilterFactory	Factory for CJKWidthFilter.
ClassicAnalyzer	Filters ClassicTokenizer with ClassicFilter, LowerCaseFilter and StopFilter, using a list of English stop words.
ClassicFilter	Normalizes tokens extracted with ClassicTokenizer.
ClassicFilterFactory	Factory for ClassicFilter.
ClassicTokenizer	A grammar-based tokenizer constructed with JFlex
ClassicTokenizerFactory	Factory for ClassicTokenizer.
CodepointCountFilter	Removes words that are too long or too short from the stream.
CodepointCountFilterFactory	Factory for CodepointCountFilter.
CollatedTermAttributeImpl	Extension of CharTermAttributeImpl that encodes the term text as a binary Unicode collation key instead of as UTF-8 bytes.
CollationAttributeFactory	Converts each token into its CollationKey, and then encodes the bytes as an index term.
CollationDocValuesField	Indexes collation keys as a single-valued SortedDocValuesField.
CollationKeyAnalyzer	Configures KeywordTokenizer with CollationAttributeFactory.
CommonGramsFilter	Construct bigrams for frequently occurring terms while indexing.
CommonGramsFilterFactory	Constructs a CommonGramsFilter.
CommonGramsQueryFilter	Wrap a CommonGramsFilter optimizing phrase queries by only returning single words when they are not a member of a bigram.
CommonGramsQueryFilterFactory	Construct CommonGramsQueryFilter.
CompoundWordTokenFilterBase	Base class for decomposition token filters.
ConcatenateGraphFilter	Concatenates/Joins every incoming token with a separator into one output token for every path through the token stream (which is a graph).
ConcatenateGraphFilter.BytesRefBuilderTermAttribute	Attribute providing access to the term builder and UTF-16 conversion
ConcatenateGraphFilter.BytesRefBuilderTermAttributeImpl	Implementation of ConcatenateGraphFilter.BytesRefBuilderTermAttribute
ConcatenateGraphFilterFactory	Factory for ConcatenateGraphFilter.
ConcatenatingTokenStream	A TokenStream that takes an array of input TokenStreams as sources, and concatenates them together.
ConditionalTokenFilter	Allows skipping TokenFilters based on the current set of attributes.
ConditionalTokenFilterFactory	Abstract parent class for analysis factories that create ConditionalTokenFilter instances
CustomAnalyzer	A general-purpose Analyzer that can be created with a builder-style API.
CustomAnalyzer.Builder	Builder for CustomAnalyzer.
CustomAnalyzer.ConditionBuilder	Factory class for a ConditionalTokenFilter
CzechAnalyzer	Analyzer for Czech language.
CzechStemFilter	A TokenFilter that applies CzechStemmer to stem Czech words.
CzechStemFilterFactory	Factory for CzechStemFilter.
CzechStemmer	Light Stemmer for Czech.
DanishAnalyzer	Analyzer for Danish.
DanishStemmer	This class implements the stemming algorithm defined by a snowball script.
DateRecognizerFilter	Filters all tokens that cannot be parsed to a date, using the provided DateFormat.
DateRecognizerFilterFactory	Factory for DateRecognizerFilter.
DecimalDigitFilter	Folds all Unicode digits in [:General_Category=Decimal_Number:] to Basic Latin digits (0-9).
DecimalDigitFilterFactory	Factory for DecimalDigitFilter.
DelimitedBoostTokenFilter	Characters before the delimiter are the "token", those after are the boost.
DelimitedBoostTokenFilterFactory	Factory for DelimitedBoostTokenFilter.
DelimitedPayloadTokenFilter	Characters before the delimiter are the "token", those after are the payload.
DelimitedPayloadTokenFilterFactory	Factory for DelimitedPayloadTokenFilter.
DelimitedTermFrequencyTokenFilter	Characters before the delimiter are the "token", the textual integer after is the term frequency.
DelimitedTermFrequencyTokenFilterFactory	Factory for DelimitedTermFrequencyTokenFilter.
DictEntries	An object representing homonym dictionary entries.
DictEntry	An object representing *.dic file entry with its word, flags and morphological data.
Dictionary	In-memory structure for the dictionary (.dic) and affix (.aff) data of a hunspell dictionary.
DictionaryCompoundWordTokenFilter	A TokenFilter that decomposes compound words found in many Germanic languages.
DictionaryCompoundWordTokenFilterFactory	Factory for DictionaryCompoundWordTokenFilter.
Dl4jModelReader	Dl4jModelReader reads the file generated by the library Deeplearning4j and provide a Word2VecModel with normalized vectors
DropIfFlaggedFilter	Allows Tokens with a given combination of flags to be dropped.
DropIfFlaggedFilterFactory	Provides a filter that will drop tokens matching a set of flags.
DutchAnalyzer	Analyzer for Dutch language.
DutchStemmer	This class implements the stemming algorithm defined by a snowball script.
EdgeNGramFilterFactory	Creates new instances of EdgeNGramTokenFilter.
EdgeNGramTokenFilter	Tokenizes the given token into n-grams of given size(s).
EdgeNGramTokenizer	Tokenizes the input from an edge into n-grams of given size(s).
EdgeNGramTokenizerFactory	Creates new instances of EdgeNGramTokenizer.
ElisionFilter	Removes elisions from a TokenStream.
ElisionFilterFactory	Factory for ElisionFilter.
EmptyTokenStream	An always exhausted token stream.
EnglishAnalyzer	Analyzer for English.
EnglishMinimalStemFilter	A TokenFilter that applies EnglishMinimalStemmer to stem English words.
EnglishMinimalStemFilterFactory	Factory for EnglishMinimalStemFilter.
EnglishMinimalStemmer	Minimal plural stemmer for English.
EnglishPossessiveFilter	TokenFilter that removes possessives (trailing 's) from words.
EnglishPossessiveFilterFactory	Factory for EnglishPossessiveFilter.
EnglishStemmer	This class implements the stemming algorithm defined by a snowball script.
EntrySuggestion	Suggestion to add/edit dictionary entries to generate a given list of words created by WordFormGenerator.compress(java.util.List<java.lang.String>, java.util.Set<java.lang.String>, java.lang.Runnable).
EstonianAnalyzer	Analyzer for Estonian.
EstonianStemmer	This class implements the stemming algorithm defined by a snowball script.
FilesystemResourceLoader	Simple ResourceLoader that opens resource files from the local file system, optionally resolving against a base directory.
FingerprintFilter	Filter outputs a single token which is a concatenation of the sorted and de-duplicated set of input tokens.
FingerprintFilterFactory	Factory for FingerprintFilter.
FinnishAnalyzer	Analyzer for Finnish.
FinnishLightStemFilter	A TokenFilter that applies FinnishLightStemmer to stem Finnish words.
FinnishLightStemFilterFactory	Factory for FinnishLightStemFilter.
FinnishLightStemmer	Light Stemmer for Finnish.
FinnishStemmer	This class implements the stemming algorithm defined by a snowball script.
FixBrokenOffsetsFilter	Deprecated. Fix the token filters that create broken offsets in the first place.
FixBrokenOffsetsFilterFactory	Deprecated.
FixedShingleFilter	A FixedShingleFilter constructs shingles (token n-grams) from a token stream.
FixedShingleFilterFactory	Factory for FixedShingleFilter
FlattenGraphFilter	Converts an incoming graph token stream, such as one from SynonymGraphFilter, into a flat form so that all nodes form a single linear chain with no side paths.
FlattenGraphFilterFactory	Factory for FlattenGraphFilter.
FloatEncoder	Encode a character array Float as a BytesRef.
FragmentChecker	An oracle for quickly checking that a specific part of a word can never be a valid word.
FrenchAnalyzer	Analyzer for French language.
FrenchLightStemFilter	A TokenFilter that applies FrenchLightStemmer to stem French words.
FrenchLightStemFilterFactory	Factory for FrenchLightStemFilter.
FrenchLightStemmer	Light Stemmer for French.
FrenchMinimalStemFilter	A TokenFilter that applies FrenchMinimalStemmer to stem French words.
FrenchMinimalStemFilterFactory	Factory for FrenchMinimalStemFilter.
FrenchMinimalStemmer	Light Stemmer for French.
FrenchStemmer	This class implements the stemming algorithm defined by a snowball script.
GalicianAnalyzer	Analyzer for Galician.
GalicianMinimalStemFilter	A TokenFilter that applies GalicianMinimalStemmer to stem Galician words.
GalicianMinimalStemFilterFactory	Factory for GalicianMinimalStemFilter.
GalicianMinimalStemmer	Minimal Stemmer for Galician
GalicianStemFilter	A TokenFilter that applies GalicianStemmer to stem Galician words.
GalicianStemFilterFactory	Factory for GalicianStemFilter.
GalicianStemmer	Galician stemmer implementing "Regras do lematizador para o galego".
German2Stemmer	This class implements the stemming algorithm defined by a snowball script.
GermanAnalyzer	Analyzer for German language.
GermanLightStemFilter	A TokenFilter that applies GermanLightStemmer to stem German words.
GermanLightStemFilterFactory	Factory for GermanLightStemFilter.
GermanLightStemmer	Light Stemmer for German.
GermanMinimalStemFilter	A TokenFilter that applies GermanMinimalStemmer to stem German words.
GermanMinimalStemFilterFactory	Factory for GermanMinimalStemFilter.
GermanMinimalStemmer	Minimal Stemmer for German.
GermanNormalizationFilter	Normalizes German characters according to the heuristics of the German2 snowball algorithm.
GermanNormalizationFilterFactory	Factory for GermanNormalizationFilter.
GermanStemFilter	A TokenFilter that stems German words.
GermanStemFilterFactory	Factory for GermanStemFilter.
GermanStemmer	A stemmer for German words.
GermanStemmer	This class implements the stemming algorithm defined by a snowball script.
GreekAnalyzer	Analyzer for the Greek language.
GreekLowerCaseFilter	Normalizes token text to lower case, removes some Greek diacritics, and standardizes final sigma to sigma.
GreekLowerCaseFilterFactory	Factory for GreekLowerCaseFilter.
GreekStemFilter	A TokenFilter that applies GreekStemmer to stem Greek words.
GreekStemFilterFactory	Factory for GreekStemFilter.
GreekStemmer	A stemmer for Greek words, according to: Development of a Stemmer for the Greek Language. Georgios Ntais
GreekStemmer	This class implements the stemming algorithm defined by a snowball script.
HindiAnalyzer	Analyzer for Hindi.
HindiNormalizationFilter	A TokenFilter that applies HindiNormalizer to normalize the orthography.
HindiNormalizationFilterFactory	Factory for HindiNormalizationFilter.
HindiNormalizer	Normalizer for Hindi.
HindiStemFilter	A TokenFilter that applies HindiStemmer to stem Hindi words.
HindiStemFilterFactory	Factory for HindiStemFilter.
HindiStemmer	Light Stemmer for Hindi.
HindiStemmer	This class implements the stemming algorithm defined by a snowball script.
HTMLStripCharFilter	A CharFilter that wraps another Reader and attempts to strip out HTML constructs.
HTMLStripCharFilterFactory	Factory for HTMLStripCharFilter.
HungarianAnalyzer	Analyzer for Hungarian.
HungarianLightStemFilter	A TokenFilter that applies HungarianLightStemmer to stem Hungarian words.
HungarianLightStemFilterFactory	Factory for HungarianLightStemFilter.
HungarianLightStemmer	Light Stemmer for Hungarian.
HungarianStemmer	This class implements the stemming algorithm defined by a snowball script.
Hunspell	A spell checker based on Hunspell dictionaries.
HunspellStemFilter	TokenFilter that uses hunspell affix rules and words to stem tokens.
HunspellStemFilterFactory	TokenFilterFactory that creates instances of HunspellStemFilter.
Hyphen	This class represents a hyphen.
HyphenatedWordsFilter	When the plain text is extracted from documents, we will often have many words hyphenated and broken into two lines.
HyphenatedWordsFilterFactory	Factory for HyphenatedWordsFilter.
Hyphenation	This class represents a hyphenated word.
HyphenationCompoundWordTokenFilter	A TokenFilter that decomposes compound words found in many Germanic languages.
HyphenationCompoundWordTokenFilterFactory	Factory for HyphenationCompoundWordTokenFilter.
HyphenationTree	This tree structure stores the hyphenation patterns in an efficient way for fast lookup.
IdentityEncoder	Does nothing other than convert the char array to a byte array using the specified encoding.
IndicNormalizationFilter	A TokenFilter that applies IndicNormalizer to normalize text in Indian Languages.
IndicNormalizationFilterFactory	Factory for IndicNormalizationFilter.
IndicNormalizer	Normalizes the Unicode representation of text in Indian languages.
IndonesianAnalyzer	Analyzer for Indonesian (Bahasa)
IndonesianStemFilter	A TokenFilter that applies IndonesianStemmer to stem Indonesian words.
IndonesianStemFilterFactory	Factory for IndonesianStemFilter.
IndonesianStemmer	Stemmer for Indonesian.
IndonesianStemmer	This class implements the stemming algorithm defined by a snowball script.
IntegerEncoder	Encode a character array Integer as a BytesRef.
IrishAnalyzer	Analyzer for Irish.
IrishLowerCaseFilter	Normalises token text to lower case, handling t-prothesis and n-eclipsis (i.e., that 'nAthair' should become 'n-athair')
IrishLowerCaseFilterFactory	Factory for IrishLowerCaseFilter.
IrishStemmer	This class implements the stemming algorithm defined by a snowball script.
ItalianAnalyzer	Analyzer for Italian.
ItalianLightStemFilter	A TokenFilter that applies ItalianLightStemmer to stem Italian words.
ItalianLightStemFilterFactory	Factory for ItalianLightStemFilter.
ItalianLightStemmer	Light Stemmer for Italian.
ItalianStemmer	This class implements the stemming algorithm defined by a snowball script.
KeepWordFilter	A TokenFilter that only keeps tokens with text contained in the required words.
KeepWordFilterFactory	Factory for KeepWordFilter.
KeywordAnalyzer	"Tokenizes" the entire stream as a single token.
KeywordMarkerFilter	Marks terms as keywords via the KeywordAttribute.
KeywordMarkerFilterFactory	Factory for KeywordMarkerFilter.
KeywordRepeatFilter	This TokenFilter emits each incoming token twice once as keyword and once non-keyword, in other words once with KeywordAttribute.setKeyword(boolean) set to true and once set to false.
KeywordRepeatFilterFactory	Factory for KeywordRepeatFilter.
KeywordTokenizer	Emits the entire input as a single token.
KeywordTokenizerFactory	Factory for KeywordTokenizer.
KpStemmer	This class implements the stemming algorithm defined by a snowball script.
KStemFilter	A high-performance kstem filter for english.
KStemFilterFactory	Factory for KStemFilter.
KStemmer	This class implements the Kstem algorithm
LatvianAnalyzer	Analyzer for Latvian.
LatvianStemFilter	A TokenFilter that applies LatvianStemmer to stem Latvian words.
LatvianStemFilterFactory	Factory for LatvianStemFilter.
LatvianStemmer	Light stemmer for Latvian.
LengthFilter	Removes words that are too long or too short from the stream.
LengthFilterFactory	Factory for LengthFilter.
LetterTokenizer	A LetterTokenizer is a tokenizer that divides text at non-letters.
LetterTokenizerFactory	Factory for LetterTokenizer.
LimitTokenCountAnalyzer	This Analyzer limits the number of tokens while indexing.
LimitTokenCountFilter	This TokenFilter limits the number of tokens while indexing.
LimitTokenCountFilterFactory	Factory for LimitTokenCountFilter.
LimitTokenOffsetFilter	Lets all tokens pass through until it sees one with a start offset <= a configured limit, which won't pass and ends the stream.
LimitTokenOffsetFilterFactory	Factory for LimitTokenOffsetFilter.
LimitTokenPositionFilter	This TokenFilter limits its emitted tokens to those with positions that are not greater than the configured limit.
LimitTokenPositionFilterFactory	Factory for LimitTokenPositionFilter.
LithuanianAnalyzer	Analyzer for Lithuanian.
LithuanianStemmer	This class implements the stemming algorithm defined by a snowball script.
LovinsStemmer	This class implements the stemming algorithm defined by a snowball script.
LowerCaseFilter	Normalizes token text to lower case.
LowerCaseFilterFactory	Factory for LowerCaseFilter.
MappingCharFilter	Simplistic CharFilter that applies the mappings contained in a NormalizeCharMap to the character stream, and correcting the resulting changes to the offsets.
MappingCharFilterFactory	Factory for MappingCharFilter.
MinHashFilter	Generate min hash tokens from an incoming stream of tokens.
MinHashFilterFactory	TokenFilterFactory for MinHashFilter.
NepaliAnalyzer	Analyzer for Nepali.
NepaliStemmer	This class implements the stemming algorithm defined by a snowball script.
NGramFilterFactory	Factory for NGramTokenFilter.
NGramFragmentChecker	A FragmentChecker based on all character n-grams possible in a certain language, keeping them in a relatively memory-efficient, but probabilistic data structure.
NGramFragmentChecker.NGramConsumer	A callback for n-gram ranges in words
NGramTokenFilter	Tokenizes the input into n-grams of the given size(s).
NGramTokenizer	Tokenizes the input into n-grams of the given size(s).
NGramTokenizerFactory	Factory for NGramTokenizer.
NormalizeCharMap	Holds a map of String input to String output, to be used with MappingCharFilter.
NormalizeCharMap.Builder	Builds an NormalizeCharMap.
NorwegianAnalyzer	Analyzer for Norwegian.
NorwegianLightStemFilter	A TokenFilter that applies NorwegianLightStemmer to stem Norwegian words.
NorwegianLightStemFilterFactory	Factory for NorwegianLightStemFilter.
NorwegianLightStemmer	Light Stemmer for Norwegian.
NorwegianMinimalStemFilter	A TokenFilter that applies NorwegianMinimalStemmer to stem Norwegian words.
NorwegianMinimalStemFilterFactory	Factory for NorwegianMinimalStemFilter.
NorwegianMinimalStemmer	Minimal Stemmer for Norwegian Bokmål (no-nb) and Nynorsk (no-nn)
NorwegianNormalizationFilter	This filter normalize use of the interchangeable Scandinavian characters æÆäÄöÖøØ and folded variants (ae, oe, aa) by transforming them to åÅæÆøØ.
NorwegianNormalizationFilterFactory	Factory for NorwegianNormalizationFilter.
NorwegianStemmer	This class implements the stemming algorithm defined by a snowball script.
NumericPayloadTokenFilter	Assigns a payload to a token based on the TypeAttribute
NumericPayloadTokenFilterFactory	Factory for NumericPayloadTokenFilter.
OpenStringBuilder	A StringBuilder that allows one to access the array.
PathHierarchyTokenizer	Tokenizer for path-like hierarchies.
PathHierarchyTokenizerFactory	Factory for PathHierarchyTokenizer.
PatternCaptureGroupFilterFactory	Factory for PatternCaptureGroupTokenFilter.
PatternCaptureGroupTokenFilter	CaptureGroup uses Java regexes to emit multiple tokens - one for each capture group in one or more patterns.
PatternConsumer	This interface is used to connect the XML pattern file parser to the hyphenation tree.
PatternKeywordMarkerFilter	Marks terms as keywords via the KeywordAttribute.
PatternParser	A SAX document handler to read and parse hyphenation patterns from a XML file.
PatternReplaceCharFilter	CharFilter that uses a regular expression for the target of replace string.
PatternReplaceCharFilterFactory	Factory for PatternReplaceCharFilter.
PatternReplaceFilter	A TokenFilter which applies a Pattern to each token in the stream, replacing match occurrences with the specified replacement string.
PatternReplaceFilterFactory	Factory for PatternReplaceFilter.
PatternTokenizer	This tokenizer uses regex pattern matching to construct distinct tokens for the input stream.
PatternTokenizerFactory	Factory for PatternTokenizer.
PatternTypingFilter	Set a type attribute to a parameterized value when tokens are matched by any of a several regex patterns.
PatternTypingFilter.PatternTypingRule	Value holding class for pattern typing rules.
PatternTypingFilterFactory	Provides a filter that will analyze tokens with the analyzer from an arbitrary field type.
PayloadEncoder	Mainly for use with the DelimitedPayloadTokenFilter, converts char buffers to BytesRef.
PayloadHelper	Utility methods for encoding payloads.
PerFieldAnalyzerWrapper	This analyzer is used to facilitate scenarios where different fields require different analysis techniques.
PersianAnalyzer	Analyzer for Persian.
PersianCharFilter	CharFilter that replaces instances of Zero-width non-joiner with an ordinary space.
PersianCharFilterFactory	Factory for PersianCharFilter.
PersianNormalizationFilter	A TokenFilter that applies PersianNormalizer to normalize the orthography.
PersianNormalizationFilterFactory	Factory for PersianNormalizationFilter.
PersianNormalizer	Normalizer for Persian.
PersianStemFilter	A TokenFilter that applies PersianStemmer to stem Persian words.
PersianStemFilterFactory	Factory for PersianStemFilter.
PersianStemmer	Stemmer for Persian.
PorterStemFilter	Transforms the token stream as per the Porter stemming algorithm.
PorterStemFilterFactory	Factory for PorterStemFilter.
PorterStemmer	This class implements the stemming algorithm defined by a snowball script.
PortugueseAnalyzer	Analyzer for Portuguese.
PortugueseLightStemFilter	A TokenFilter that applies PortugueseLightStemmer to stem Portuguese words.
PortugueseLightStemFilterFactory	Factory for PortugueseLightStemFilter.
PortugueseLightStemmer	Light Stemmer for Portuguese
PortugueseMinimalStemFilter	A TokenFilter that applies PortugueseMinimalStemmer to stem Portuguese words.
PortugueseMinimalStemFilterFactory	Factory for PortugueseMinimalStemFilter.
PortugueseMinimalStemmer	Minimal Stemmer for Portuguese
PortugueseStemFilter	A TokenFilter that applies PortugueseStemmer to stem Portuguese words.
PortugueseStemFilterFactory	Factory for PortugueseStemFilter.
PortugueseStemmer	Portuguese stemmer implementing the RSLP (Removedor de Sufixos da Lingua Portuguesa) algorithm.
PortugueseStemmer	This class implements the stemming algorithm defined by a snowball script.
ProtectedTermFilter	A ConditionalTokenFilter that only applies its wrapped filters to tokens that are not contained in a protected set.
ProtectedTermFilterFactory	Factory for a ProtectedTermFilter
QueryAutoStopWordAnalyzer	An Analyzer used primarily at query time to wrap another analyzer and provide a layer of protection which prevents very common words from being passed into queries.
RemoveDuplicatesTokenFilter	A TokenFilter which filters out Tokens at the same position and Term text as the previous token in the stream.
RemoveDuplicatesTokenFilterFactory	Factory for RemoveDuplicatesTokenFilter.
ReversePathHierarchyTokenizer	Tokenizer for domain-like hierarchies.
ReverseStringFilter	Reverse token string, for example "country" => "yrtnuoc".
ReverseStringFilterFactory	Factory for ReverseStringFilter.
RollingCharBuffer	Acts like a forever growing char[] as you read characters into it from the provided reader, but internally it uses a circular buffer to only hold the characters that haven't been freed yet.
RomanianAnalyzer	Analyzer for Romanian.
RomanianStemmer	This class implements the stemming algorithm defined by a snowball script.
RSLPStemmerBase	Base class for stemmers that use a set of RSLP-like stemming steps.
RSLPStemmerBase.Rule	A basic rule, with no exceptions.
RSLPStemmerBase.RuleWithSetExceptions	A rule with a set of whole-word exceptions.
RSLPStemmerBase.RuleWithSuffixExceptions	A rule with a set of exceptional suffixes.
RSLPStemmerBase.Step	A step containing a list of rules.
RussianAnalyzer	Analyzer for Russian language.
RussianLightStemFilter	A TokenFilter that applies RussianLightStemmer to stem Russian words.
RussianLightStemFilterFactory	Factory for RussianLightStemFilter.
RussianLightStemmer	Light Stemmer for Russian.
RussianStemmer	This class implements the stemming algorithm defined by a snowball script.
ScandinavianFoldingFilter	This filter folds Scandinavian characters åÅäæÄÆ->a and öÖøØ->o.
ScandinavianFoldingFilterFactory	Factory for ScandinavianFoldingFilter.
ScandinavianNormalizationFilter	This filter normalize use of the interchangeable Scandinavian characters æÆäÄöÖøØ and folded variants (aa, ao, ae, oe and oo) by transforming them to åÅæÆøØ.
ScandinavianNormalizationFilterFactory	Factory for ScandinavianNormalizationFilter.
ScandinavianNormalizer	This Normalizer does the heavy lifting for a set of Scandinavian normalization filters, normalizing use of the interchangeable Scandinavian characters æÆäÄöÖøØ and folded variants (aa, ao, ae, oe and oo) by transforming them to åÅæÆøØ.
ScandinavianNormalizer.Foldings	List of possible foldings that can be used when configuring the filter
SegmentingTokenizerBase	Breaks text into sentences with a BreakIterator and allows subclasses to decompose these sentences into words.
SerbianAnalyzer	Analyzer for Serbian.
SerbianNormalizationFilter	Normalizes Serbian Cyrillic and Latin characters to "bald" Latin.
SerbianNormalizationFilterFactory	Factory for SerbianNormalizationFilter.
SerbianNormalizationRegularFilter	Normalizes Serbian Cyrillic to Latin.
SerbianStemmer	This class implements the stemming algorithm defined by a snowball script.
SetKeywordMarkerFilter	Marks terms as keywords via the KeywordAttribute.
ShingleAnalyzerWrapper	A ShingleAnalyzerWrapper wraps a ShingleFilter around another Analyzer.
ShingleFilter	A ShingleFilter constructs shingles (token n-grams) from a token stream.
ShingleFilterFactory	Factory for ShingleFilter.
SimpleAnalyzer	An Analyzer that filters LetterTokenizer with LowerCaseFilter
SimplePatternSplitTokenizer	This tokenizer uses a Lucene RegExp or (expert usage) a pre-built determinized Automaton, to locate tokens.
SimplePatternSplitTokenizerFactory	Factory for SimplePatternSplitTokenizer, for producing tokens by splitting according to the provided regexp.
SimplePatternTokenizer	This tokenizer uses a Lucene RegExp or (expert usage) a pre-built determinized Automaton, to locate tokens.
SimplePatternTokenizerFactory	Factory for SimplePatternTokenizer, for matching tokens based on the provided regexp.
SnowballFilter	A filter that stems words using a Snowball-generated stemmer.
SnowballPorterFilterFactory	Factory for SnowballFilter, with configurable language
SnowballProgram	Base class for a snowball stemmer
SnowballStemmer	Parent class of all snowball stemmers, which must implement stem
SolrSynonymParser	Parser for the Solr synonyms format.
SoraniAnalyzer	Analyzer for Sorani Kurdish.
SoraniNormalizationFilter	A TokenFilter that applies SoraniNormalizer to normalize the orthography.
SoraniNormalizationFilterFactory	Factory for SoraniNormalizationFilter.
SoraniNormalizer	Normalizes the Unicode representation of Sorani text.
SoraniStemFilter	A TokenFilter that applies SoraniStemmer to stem Sorani words.
SoraniStemFilterFactory	Factory for SoraniStemFilter.
SoraniStemmer	Light stemmer for Sorani
SpanishAnalyzer	Analyzer for Spanish.
SpanishLightStemFilter	A TokenFilter that applies SpanishLightStemmer to stem Spanish words.
SpanishLightStemFilterFactory	Factory for SpanishLightStemFilter.
SpanishLightStemmer	Light Stemmer for Spanish
SpanishMinimalStemFilter	Deprecated. Use SpanishPluralStemFilter instead.
SpanishMinimalStemFilterFactory	Deprecated. Use SpanishPluralStemFilterFactory instead
SpanishMinimalStemmer	Deprecated. Use SpanishPluralStemmer instead.
SpanishPluralStemFilter	A TokenFilter that applies SpanishPluralStemmer to stem Spanish words.
SpanishPluralStemFilterFactory	Factory for SpanishPluralStemFilterFactory.
SpanishPluralStemmer	Plural Stemmer for Spanish
SpanishStemmer	This class implements the stemming algorithm defined by a snowball script.
StemmerOverrideFilter	Provides the ability to override any KeywordAttribute aware stemmer with custom dictionary-based stemming.
StemmerOverrideFilter.Builder	This builder builds an FST for the StemmerOverrideFilter
StemmerOverrideFilter.StemmerOverrideMap	A read-only 4-byte FST backed map that allows fast case-insensitive key value lookups for StemmerOverrideFilter
StemmerOverrideFilterFactory	Factory for StemmerOverrideFilter.
StemmerUtil	Some commonly-used stemming functions
StopAnalyzer	Filters LetterTokenizer with LowerCaseFilter and StopFilter.
StopFilter	Removes stop words from a token stream.
StopFilterFactory	Factory for StopFilter.
Suggester	A generator for misspelled word corrections based on Hunspell flags.
SuggestionTimeoutException	An exception thrown when Hunspell.suggest(java.lang.String) call takes too long, if TimeoutPolicy.THROW_EXCEPTION is used.
SwedishAnalyzer	Analyzer for Swedish.
SwedishLightStemFilter	A TokenFilter that applies SwedishLightStemmer to stem Swedish words.
SwedishLightStemFilterFactory	Factory for SwedishLightStemFilter.
SwedishLightStemmer	Light Stemmer for Swedish.
SwedishMinimalStemFilter	A TokenFilter that applies SwedishMinimalStemmer to stem Swedish words.
SwedishMinimalStemFilterFactory	Factory for SwedishMinimalStemFilter.
SwedishMinimalStemmer	Minimal Stemmer for Swedish.
SwedishStemmer	This class implements the stemming algorithm defined by a snowball script.
SynonymFilter	Deprecated. Use SynonymGraphFilter instead, but be sure to also use FlattenGraphFilter at index time (not at search time) as well.
SynonymFilterFactory	Deprecated. Use SynonymGraphFilterFactory instead, but be sure to also use FlattenGraphFilterFactory at index time (not at search time) as well.
SynonymGraphFilter	Applies single- or multi-token synonyms from a SynonymMap to an incoming TokenStream, producing a fully correct graph output.
SynonymGraphFilterFactory	Factory for SynonymGraphFilter.
SynonymMap	A map of synonyms, keys and values are phrases.
SynonymMap.Builder	Builds an FSTSynonymMap.
SynonymMap.Parser	Abstraction for parsing synonym files.
TamilAnalyzer	Analyzer for Tamil.
TamilStemmer	This class implements the stemming algorithm defined by a snowball script.
TeeSinkTokenFilter	This TokenFilter provides the ability to set aside attribute states that have already been analyzed.
TeeSinkTokenFilter.SinkTokenStream	TokenStream output from a tee.
TeluguAnalyzer	Analyzer for Telugu.
TeluguNormalizationFilter	A TokenFilter that applies TeluguNormalizer to normalize the orthography.
TeluguNormalizationFilterFactory	Factory for TeluguNormalizationFilter.
TeluguNormalizer	Normalizer for Telugu.
TeluguStemFilter	A TokenFilter that applies TeluguStemmer to stem Telugu words.
TeluguStemFilterFactory	Factory for TeluguStemFilter.
TeluguStemmer	Stemmer for Telugu.
TermAndBoost	Wraps a term and boost
TernaryTree	Ternary Search Tree.
ThaiAnalyzer	Analyzer for Thai language.
ThaiTokenizer	Tokenizer that use BreakIterator to tokenize Thai text.
ThaiTokenizerFactory	Factory for ThaiTokenizer.
TimeoutPolicy	A strategy determining what to do when Hunspell API calls take too much time
TokenOffsetPayloadTokenFilter	Adds the OffsetAttribute.startOffset() and OffsetAttribute.endOffset() First 4 bytes are the start
TokenOffsetPayloadTokenFilterFactory	Factory for TokenOffsetPayloadTokenFilter.
TrimFilter	Trims leading and trailing whitespace from Tokens in the stream.
TrimFilterFactory	Factory for TrimFilter.
TruncateTokenFilter	A token filter for truncating the terms into a specific length.
TruncateTokenFilterFactory	Factory for TruncateTokenFilter.
TurkishAnalyzer	Analyzer for Turkish.
TurkishLowerCaseFilter	Normalizes Turkish token text to lower case.
TurkishLowerCaseFilterFactory	Factory for TurkishLowerCaseFilter.
TurkishStemmer	This class implements the stemming algorithm defined by a snowball script.
TypeAsPayloadTokenFilter	Makes the TypeAttribute a payload.
TypeAsPayloadTokenFilterFactory	Factory for TypeAsPayloadTokenFilter.
TypeAsSynonymFilter	Adds the TypeAttribute.type() as a synonym, i.e.
TypeAsSynonymFilterFactory	Factory for TypeAsSynonymFilter.
TypeTokenFilter	Removes tokens whose types appear in a set of blocked types from a token stream.
TypeTokenFilterFactory	Factory class for TypeTokenFilter.
UAX29URLEmailAnalyzer	Filters UAX29URLEmailTokenizer with LowerCaseFilter and StopFilter, using a list of English stop words.
UAX29URLEmailTokenizer	This class implements Word Break rules from the Unicode Text Segmentation algorithm, as specified in Unicode Standard Annex #29 URLs and email addresses are also tokenized according to the relevant RFCs.
UAX29URLEmailTokenizerFactory	Factory for UAX29URLEmailTokenizer.
UAX29URLEmailTokenizerImpl	This class implements Word Break rules from the Unicode Text Segmentation algorithm, as specified in Unicode Standard Annex #29 URLs and email addresses are also tokenized according to the relevant RFCs.
UnicodeProps	This file contains unicode properties used by various CharTokenizers.
UnicodeWhitespaceAnalyzer	An Analyzer that uses UnicodeWhitespaceTokenizer.
UnicodeWhitespaceTokenizer	A UnicodeWhitespaceTokenizer is a tokenizer that divides text at whitespace.
UpperCaseFilter	Normalizes token text to UPPER CASE.
UpperCaseFilterFactory	Factory for UpperCaseFilter.
WhitespaceAnalyzer	An Analyzer that uses WhitespaceTokenizer.
WhitespaceTokenizer	A tokenizer that divides text at whitespace characters as defined by Character.isWhitespace(int).
WhitespaceTokenizerFactory	Factory for WhitespaceTokenizer.
WikipediaTokenizer	Extension of StandardTokenizer that is aware of Wikipedia syntax.
WikipediaTokenizerFactory	Factory for WikipediaTokenizer.
Word2VecModel	Word2VecModel is a class representing the parsed Word2Vec model containing the vectors for each word in dictionary
Word2VecSynonymFilter	Applies single-token synonyms from a Word2Vec trained network to an incoming TokenStream.
Word2VecSynonymFilterFactory	Factory for Word2VecSynonymFilter.
Word2VecSynonymProvider	The Word2VecSynonymProvider generates the list of sysnonyms of a term.
Word2VecSynonymProviderFactory	Supply Word2Vec Word2VecSynonymProvider cache avoiding that multiple instances of Word2VecSynonymFilterFactory will instantiate multiple instances of the same SynonymProvider.
WordDelimiterFilter	Deprecated. Use WordDelimiterGraphFilter instead: it produces a correct token graph so that e.g.
WordDelimiterFilterFactory	Deprecated. Use WordDelimiterGraphFilterFactory instead: it produces a correct token graph so that e.g.
WordDelimiterGraphFilter	Splits words into subwords and performs optional transformations on subword groups, producing a correct token graph so that e.g.
WordDelimiterGraphFilterFactory	Factory for WordDelimiterGraphFilter.
WordDelimiterIterator	A BreakIterator-like API for iterating over subwords in text, according to WordDelimiterGraphFilter rules.
WordFormGenerator	A utility class used for generating possible word forms by adding affixes to stems (WordFormGenerator.getAllWordForms(String, String, Runnable)), and suggesting stems and flags to generate the given set of words (WordFormGenerator.compress(List, Set, Runnable)).
WordnetSynonymParser	Parser for wordnet prolog format
YiddishStemmer	This class implements the stemming algorithm defined by a snowball script.