A C D E G H I K M N O P R S T W

A

addField(String, String, Analyzer) - Method in class org.apache.lucene.index.memory.MemoryIndex

Convenience method; Tokenizes the given field text and adds the resulting terms to the index; Equivalent to adding an indexed non-keyword Lucene Field that is tokenized, not stored, termVectorStored with positions (or termVectorStored with positions and offsets),

addField(String, TokenStream) - Method in class org.apache.lucene.index.memory.MemoryIndex

Equivalent to addField(fieldName, stream, 1.0f).

addField(String, TokenStream, float) - Method in class org.apache.lucene.index.memory.MemoryIndex

Iterates over the given token stream and adds the resulting terms to the index; Equivalent to adding a tokenized, indexed, termVectorStored, unstored, Lucene Field.

analyze(String) - Method in class org.apache.lucene.index.memory.SynonymMap

Analyzes/transforms the given word on input stream loading.

AnalyzerUtil - Class in org.apache.lucene.index.memory

Various fulltext analysis utilities avoiding redundant code in several classes.

C

createSearcher() - Method in class org.apache.lucene.index.memory.MemoryIndex

Creates and returns a searcher that can be used to execute arbitrary Lucene queries and to collect the resulting query results as hits.

createToken(String, AttributeSource.State) - Method in class org.apache.lucene.index.memory.SynonymTokenFilter

Creates and returns a token for the given synonym of the current input token; Override for custom (stateless or stateful) behavior, if desired.

D

DEFAULT_ANALYZER - Static variable in class org.apache.lucene.index.memory.PatternAnalyzer

A lower-casing word analyzer with English stop words (can be shared freely across threads without harm); global per class loader.

E

equals(Object) - Method in class org.apache.lucene.index.memory.PatternAnalyzer

Indicates whether some other object is "equal to" this one.

EXTENDED_ANALYZER - Static variable in class org.apache.lucene.index.memory.PatternAnalyzer

A lower-casing word analyzer with extended English stop words (can be shared freely across threads without harm); global per class loader.

G

getLoggingAnalyzer(Analyzer, PrintStream, String) - Static method in class org.apache.lucene.index.memory.AnalyzerUtil

Returns a simple analyzer wrapper that logs all tokens produced by the underlying child analyzer to the given log stream (typically System.err); Otherwise behaves exactly like the child analyzer, delivering the very same tokens; useful for debugging purposes on custom indexing and/or querying.

getMaxTokenAnalyzer(Analyzer, int) - Static method in class org.apache.lucene.index.memory.AnalyzerUtil

Returns an analyzer wrapper that returns at most the first maxTokens tokens from the underlying child analyzer, ignoring all remaining tokens.

getMemorySize() - Method in class org.apache.lucene.index.memory.MemoryIndex

Returns a reasonable approximation of the main memory [bytes] consumed by this instance.

getMostFrequentTerms(Analyzer, String, int) - Static method in class org.apache.lucene.index.memory.AnalyzerUtil

Returns (frequency:term) pairs for the top N distinct terms (aka words), sorted descending by frequency (and ascending by term, if tied).

getParagraphs(String, int) - Static method in class org.apache.lucene.index.memory.AnalyzerUtil

Returns at most the first N paragraphs of the given text.

getPorterStemmerAnalyzer(Analyzer) - Static method in class org.apache.lucene.index.memory.AnalyzerUtil

Returns an English stemming analyzer that stems tokens from the underlying child analyzer according to the Porter stemming algorithm.

getSentences(String, int) - Static method in class org.apache.lucene.index.memory.AnalyzerUtil

Returns at most the first N sentences of the given text.

getSynonymAnalyzer(Analyzer, SynonymMap, int) - Static method in class org.apache.lucene.index.memory.AnalyzerUtil

Returns an analyzer wrapper that wraps the underlying child analyzer's token stream into a SynonymTokenFilter.

getSynonyms(String) - Method in class org.apache.lucene.index.memory.SynonymMap

Returns the synonym set for the given word, sorted ascending.

getTokenCachingAnalyzer(Analyzer) - Static method in class org.apache.lucene.index.memory.AnalyzerUtil

Returns an analyzer wrapper that caches all tokens generated by the underlying child analyzer's token streams, and delivers those cached tokens on subsequent calls to tokenStream(String fieldName, Reader reader) if the fieldName has been seen before, altogether ignoring the Reader parameter on cache lookup.

H

hashCode() - Method in class org.apache.lucene.index.memory.PatternAnalyzer

Returns a hash code value for the object.

I

incrementToken() - Method in class org.apache.lucene.index.memory.SynonymTokenFilter

Returns the next token in the stream, or null at EOS.

K

keywordTokenStream(Collection) - Method in class org.apache.lucene.index.memory.MemoryIndex

Convenience method; Creates and returns a token stream that generates a token for each keyword in the given collection, "as is", without any transforming text analysis.

M

MemoryIndex - Class in org.apache.lucene.index.memory

High-performance single-document main memory Apache Lucene fulltext search index.

MemoryIndex() - Constructor for class org.apache.lucene.index.memory.MemoryIndex

Constructs an empty instance.

N

NON_WORD_PATTERN - Static variable in class org.apache.lucene.index.memory.PatternAnalyzer

"\\W+"; Divides text at non-letters (NOT Character.isLetter(c))

O

org.apache.lucene.index.memory - package org.apache.lucene.index.memory

High-performance single-document main memory Apache Lucene fulltext search index.

P

PatternAnalyzer - Class in org.apache.lucene.index.memory

Efficient Lucene analyzer/tokenizer that preferably operates on a String rather than a Reader, that can flexibly separate text into terms via a regular expression Pattern (with behaviour identical to String.split(String)), and that combines the functionality of LetterTokenizer, LowerCaseTokenizer, WhitespaceTokenizer, StopFilter into a single efficient multi-purpose class.

PatternAnalyzer(Pattern, boolean, Set) - Constructor for class org.apache.lucene.index.memory.PatternAnalyzer

Deprecated. Use PatternAnalyzer.PatternAnalyzer(Version, Pattern, boolean, Set) instead

PatternAnalyzer(Version, Pattern, boolean, Set) - Constructor for class org.apache.lucene.index.memory.PatternAnalyzer

Constructs a new instance with the given parameters.

R

reset() - Method in class org.apache.lucene.index.memory.SynonymTokenFilter

S

search(Query) - Method in class org.apache.lucene.index.memory.MemoryIndex

Convenience method that efficiently returns the relevance score by matching this index against the given Lucene query expression.

SYNONYM_TOKEN_TYPE - Static variable in class org.apache.lucene.index.memory.SynonymTokenFilter

The Token.type used to indicate a synonym to higher level filters.

SynonymMap - Class in org.apache.lucene.index.memory

Loads the WordNet prolog file wn_s.pl into a thread-safe main-memory hash map that can be used for fast high-frequency lookups of synonyms for any given (lowercase) word string.

SynonymMap(InputStream) - Constructor for class org.apache.lucene.index.memory.SynonymMap

Constructs an instance, loading WordNet synonym data from the given input stream.

SynonymTokenFilter - Class in org.apache.lucene.index.memory

Injects additional tokens for synonyms of token terms fetched from the underlying child stream; the child stream must deliver lowercase tokens for synonyms to be found.

SynonymTokenFilter(TokenStream, SynonymMap, int) - Constructor for class org.apache.lucene.index.memory.SynonymTokenFilter

Creates an instance for the given underlying stream and synonym table.

T

tokenStream(String, String) - Method in class org.apache.lucene.index.memory.PatternAnalyzer

Creates a token stream that tokenizes the given string into token terms (aka words).

tokenStream(String, Reader) - Method in class org.apache.lucene.index.memory.PatternAnalyzer

Creates a token stream that tokenizes all the text in the given Reader; This implementation forwards to tokenStream(String, String) and is less efficient than tokenStream(String, String).

toString() - Method in class org.apache.lucene.index.memory.MemoryIndex

Returns a String representation of the index data for debugging purposes.

toString() - Method in class org.apache.lucene.index.memory.SynonymMap

Returns a String representation of the index data for debugging purposes.

W

WHITESPACE_PATTERN - Static variable in class org.apache.lucene.index.memory.PatternAnalyzer

"\\s+"; Divides text at whitespaces (Character.isWhitespace(c))

A C D E G H I K M N O P R S T W