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org.elasticsearch.indices.analysis.IndicesAnalysisService Maven / Gradle / Ivy
ElasticSearch - Open Source, Distributed, RESTful Search Engine
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.indices.analysis;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.ar.ArabicAnalyzer;
import org.apache.lucene.analysis.ar.ArabicNormalizationFilter;
import org.apache.lucene.analysis.ar.ArabicStemFilter;
import org.apache.lucene.analysis.bg.BulgarianAnalyzer;
import org.apache.lucene.analysis.br.BrazilianAnalyzer;
import org.apache.lucene.analysis.br.BrazilianStemFilter;
import org.apache.lucene.analysis.ca.CatalanAnalyzer;
import org.apache.lucene.analysis.charfilter.HTMLStripCharFilter;
import org.apache.lucene.analysis.cjk.CJKAnalyzer;
import org.apache.lucene.analysis.cn.ChineseAnalyzer;
import org.apache.lucene.analysis.commongrams.*;
import org.apache.lucene.analysis.core.*;
import org.apache.lucene.analysis.cz.CzechAnalyzer;
import org.apache.lucene.analysis.cz.CzechStemFilter;
import org.apache.lucene.analysis.da.DanishAnalyzer;
import org.apache.lucene.analysis.de.GermanAnalyzer;
import org.apache.lucene.analysis.de.GermanStemFilter;
import org.apache.lucene.analysis.el.GreekAnalyzer;
import org.apache.lucene.analysis.en.EnglishAnalyzer;
import org.apache.lucene.analysis.en.KStemFilter;
import org.apache.lucene.analysis.en.PorterStemFilter;
import org.apache.lucene.analysis.es.SpanishAnalyzer;
import org.apache.lucene.analysis.eu.BasqueAnalyzer;
import org.apache.lucene.analysis.fa.PersianAnalyzer;
import org.apache.lucene.analysis.fa.PersianNormalizationFilter;
import org.apache.lucene.analysis.fi.FinnishAnalyzer;
import org.apache.lucene.analysis.fr.FrenchAnalyzer;
import org.apache.lucene.analysis.fr.FrenchStemFilter;
import org.apache.lucene.analysis.ga.IrishAnalyzer;
import org.apache.lucene.analysis.gl.GalicianAnalyzer;
import org.apache.lucene.analysis.hi.HindiAnalyzer;
import org.apache.lucene.analysis.hu.HungarianAnalyzer;
import org.apache.lucene.analysis.hy.ArmenianAnalyzer;
import org.apache.lucene.analysis.id.IndonesianAnalyzer;
import org.apache.lucene.analysis.it.ItalianAnalyzer;
import org.apache.lucene.analysis.lv.LatvianAnalyzer;
import org.apache.lucene.analysis.miscellaneous.*;
import org.apache.lucene.analysis.ngram.EdgeNGramTokenFilter;
import org.apache.lucene.analysis.ngram.EdgeNGramTokenizer;
import org.apache.lucene.analysis.ngram.NGramTokenFilter;
import org.apache.lucene.analysis.ngram.NGramTokenizer;
import org.apache.lucene.analysis.nl.DutchAnalyzer;
import org.apache.lucene.analysis.nl.DutchStemFilter;
import org.apache.lucene.analysis.no.NorwegianAnalyzer;
import org.apache.lucene.analysis.path.PathHierarchyTokenizer;
import org.apache.lucene.analysis.pattern.PatternTokenizer;
import org.apache.lucene.analysis.pt.PortugueseAnalyzer;
import org.apache.lucene.analysis.reverse.ReverseStringFilter;
import org.apache.lucene.analysis.ro.RomanianAnalyzer;
import org.apache.lucene.analysis.ru.RussianAnalyzer;
import org.apache.lucene.analysis.shingle.ShingleFilter;
import org.apache.lucene.analysis.snowball.SnowballAnalyzer;
import org.apache.lucene.analysis.snowball.SnowballFilter;
import org.apache.lucene.analysis.standard.*;
import org.apache.lucene.analysis.sv.SwedishAnalyzer;
import org.apache.lucene.analysis.th.ThaiAnalyzer;
import org.apache.lucene.analysis.tr.TurkishAnalyzer;
import org.apache.lucene.analysis.util.ElisionFilter;
import org.apache.lucene.analysis.util.CharArraySet;
import org.elasticsearch.ElasticSearchIllegalStateException;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.lucene.Lucene;
import org.elasticsearch.common.regex.Regex;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.ConcurrentCollections;
import org.elasticsearch.index.analysis.*;
import java.io.IOException;
import java.io.Reader;
import java.util.Map;
import static org.elasticsearch.common.settings.ImmutableSettings.Builder.EMPTY_SETTINGS;
/**
* A node level registry of analyzers, to be reused by different indices which use default analyzers.
*/
public class IndicesAnalysisService extends AbstractComponent {
private final Map analyzerProviderFactories = ConcurrentCollections.newConcurrentMap();
private final Map tokenizerFactories = ConcurrentCollections.newConcurrentMap();
private final Map tokenFilterFactories = ConcurrentCollections.newConcurrentMap();
private final Map charFilterFactories = ConcurrentCollections.newConcurrentMap();
public IndicesAnalysisService() {
super(EMPTY_SETTINGS);
}
@Inject
public IndicesAnalysisService(Settings settings) {
super(settings);
StandardAnalyzer standardAnalyzer = new StandardAnalyzer(Lucene.ANALYZER_VERSION);
analyzerProviderFactories.put("default", new PreBuiltAnalyzerProviderFactory("default", AnalyzerScope.INDICES, standardAnalyzer));
analyzerProviderFactories.put("standard", new PreBuiltAnalyzerProviderFactory("standard", AnalyzerScope.INDICES, standardAnalyzer));
analyzerProviderFactories.put("keyword", new PreBuiltAnalyzerProviderFactory("keyword", AnalyzerScope.INDICES, new KeywordAnalyzer()));
analyzerProviderFactories.put("stop", new PreBuiltAnalyzerProviderFactory("stop", AnalyzerScope.INDICES, new StopAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("whitespace", new PreBuiltAnalyzerProviderFactory("whitespace", AnalyzerScope.INDICES, new WhitespaceAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("simple", new PreBuiltAnalyzerProviderFactory("simple", AnalyzerScope.INDICES, new SimpleAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("classic", new PreBuiltAnalyzerProviderFactory("classic", AnalyzerScope.INDICES, new ClassicAnalyzer(Lucene.ANALYZER_VERSION)));
// extended ones
analyzerProviderFactories.put("pattern", new PreBuiltAnalyzerProviderFactory("pattern", AnalyzerScope.INDICES, new PatternAnalyzer(Lucene.ANALYZER_VERSION, Regex.compile("\\W+" /*PatternAnalyzer.NON_WORD_PATTERN*/, null), true, StopAnalyzer.ENGLISH_STOP_WORDS_SET)));
analyzerProviderFactories.put("snowball", new PreBuiltAnalyzerProviderFactory("snowball", AnalyzerScope.INDICES, new SnowballAnalyzer(Lucene.ANALYZER_VERSION, "English", StopAnalyzer.ENGLISH_STOP_WORDS_SET)));
analyzerProviderFactories.put("standard_html_strip", new PreBuiltAnalyzerProviderFactory("standard_html_strip", AnalyzerScope.INDICES, new StandardHtmlStripAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("arabic", new PreBuiltAnalyzerProviderFactory("arabic", AnalyzerScope.INDICES, new ArabicAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("armenian", new PreBuiltAnalyzerProviderFactory("armenian", AnalyzerScope.INDICES, new ArmenianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("basque", new PreBuiltAnalyzerProviderFactory("basque", AnalyzerScope.INDICES, new BasqueAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("brazilian", new PreBuiltAnalyzerProviderFactory("brazilian", AnalyzerScope.INDICES, new BrazilianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("bulgarian", new PreBuiltAnalyzerProviderFactory("bulgarian", AnalyzerScope.INDICES, new BulgarianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("catalan", new PreBuiltAnalyzerProviderFactory("catalan", AnalyzerScope.INDICES, new CatalanAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("chinese", new PreBuiltAnalyzerProviderFactory("chinese", AnalyzerScope.INDICES, new ChineseAnalyzer()));
analyzerProviderFactories.put("cjk", new PreBuiltAnalyzerProviderFactory("cjk", AnalyzerScope.INDICES, new CJKAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("czech", new PreBuiltAnalyzerProviderFactory("czech", AnalyzerScope.INDICES, new CzechAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("dutch", new PreBuiltAnalyzerProviderFactory("dutch", AnalyzerScope.INDICES, new DutchAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("danish", new PreBuiltAnalyzerProviderFactory("danish", AnalyzerScope.INDICES, new DanishAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("english", new PreBuiltAnalyzerProviderFactory("english", AnalyzerScope.INDICES, new EnglishAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("finnish", new PreBuiltAnalyzerProviderFactory("finnish", AnalyzerScope.INDICES, new FinnishAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("french", new PreBuiltAnalyzerProviderFactory("french", AnalyzerScope.INDICES, new FrenchAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("galician", new PreBuiltAnalyzerProviderFactory("galician", AnalyzerScope.INDICES, new GalicianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("german", new PreBuiltAnalyzerProviderFactory("german", AnalyzerScope.INDICES, new GermanAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("greek", new PreBuiltAnalyzerProviderFactory("greek", AnalyzerScope.INDICES, new GreekAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("hindi", new PreBuiltAnalyzerProviderFactory("hindi", AnalyzerScope.INDICES, new HindiAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("hungarian", new PreBuiltAnalyzerProviderFactory("hungarian", AnalyzerScope.INDICES, new HungarianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("indonesian", new PreBuiltAnalyzerProviderFactory("indonesian", AnalyzerScope.INDICES, new IndonesianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("irish", new PreBuiltAnalyzerProviderFactory("irish", AnalyzerScope.INDICES, new IrishAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("italian", new PreBuiltAnalyzerProviderFactory("italian", AnalyzerScope.INDICES, new ItalianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("latvian", new PreBuiltAnalyzerProviderFactory("latvian", AnalyzerScope.INDICES, new LatvianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("norwegian", new PreBuiltAnalyzerProviderFactory("norwegian", AnalyzerScope.INDICES, new NorwegianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("persian", new PreBuiltAnalyzerProviderFactory("persian", AnalyzerScope.INDICES, new PersianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("portuguese", new PreBuiltAnalyzerProviderFactory("portuguese", AnalyzerScope.INDICES, new PortugueseAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("romanian", new PreBuiltAnalyzerProviderFactory("romanian", AnalyzerScope.INDICES, new RomanianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("russian", new PreBuiltAnalyzerProviderFactory("russian", AnalyzerScope.INDICES, new RussianAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("spanish", new PreBuiltAnalyzerProviderFactory("spanish", AnalyzerScope.INDICES, new SpanishAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("swedish", new PreBuiltAnalyzerProviderFactory("swedish", AnalyzerScope.INDICES, new SwedishAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("turkish", new PreBuiltAnalyzerProviderFactory("turkish", AnalyzerScope.INDICES, new TurkishAnalyzer(Lucene.ANALYZER_VERSION)));
analyzerProviderFactories.put("thai", new PreBuiltAnalyzerProviderFactory("thai", AnalyzerScope.INDICES, new ThaiAnalyzer(Lucene.ANALYZER_VERSION)));
// Base Tokenizers
tokenizerFactories.put("standard", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "standard";
}
@Override
public Tokenizer create(Reader reader) {
return new StandardTokenizer(Lucene.ANALYZER_VERSION, reader);
}
}));
tokenizerFactories.put("classic", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "classic";
}
@Override
public Tokenizer create(Reader reader) {
return new ClassicTokenizer(Lucene.ANALYZER_VERSION, reader);
}
}));
tokenizerFactories.put("uax_url_email", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "uax_url_email";
}
@Override
public Tokenizer create(Reader reader) {
return new UAX29URLEmailTokenizer(Lucene.ANALYZER_VERSION, reader);
}
}));
tokenizerFactories.put("path_hierarchy", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "path_hierarchy";
}
@Override
public Tokenizer create(Reader reader) {
return new PathHierarchyTokenizer(reader);
}
}));
tokenizerFactories.put("keyword", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "keyword";
}
@Override
public Tokenizer create(Reader reader) {
return new KeywordTokenizer(reader);
}
}));
tokenizerFactories.put("letter", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "letter";
}
@Override
public Tokenizer create(Reader reader) {
return new LetterTokenizer(Lucene.ANALYZER_VERSION, reader);
}
}));
tokenizerFactories.put("lowercase", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "lowercase";
}
@Override
public Tokenizer create(Reader reader) {
return new LowerCaseTokenizer(Lucene.ANALYZER_VERSION, reader);
}
}));
tokenizerFactories.put("whitespace", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "whitespace";
}
@Override
public Tokenizer create(Reader reader) {
return new WhitespaceTokenizer(Lucene.ANALYZER_VERSION, reader);
}
}));
tokenizerFactories.put("nGram", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "nGram";
}
@Override
public Tokenizer create(Reader reader) {
return new NGramTokenizer(reader);
}
}));
tokenizerFactories.put("ngram", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "ngram";
}
@Override
public Tokenizer create(Reader reader) {
return new NGramTokenizer(reader);
}
}));
tokenizerFactories.put("edgeNGram", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "edgeNGram";
}
@Override
public Tokenizer create(Reader reader) {
return new EdgeNGramTokenizer(reader, EdgeNGramTokenizer.DEFAULT_SIDE, EdgeNGramTokenizer.DEFAULT_MIN_GRAM_SIZE, EdgeNGramTokenizer.DEFAULT_MAX_GRAM_SIZE);
}
}));
tokenizerFactories.put("edge_ngram", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "edge_ngram";
}
@Override
public Tokenizer create(Reader reader) {
return new EdgeNGramTokenizer(reader, EdgeNGramTokenizer.DEFAULT_SIDE, EdgeNGramTokenizer.DEFAULT_MIN_GRAM_SIZE, EdgeNGramTokenizer.DEFAULT_MAX_GRAM_SIZE);
}
}));
tokenizerFactories.put("pattern", new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
@Override
public String name() {
return "pattern";
}
@Override
public Tokenizer create(Reader reader) {
return new PatternTokenizer(reader, Regex.compile("\\W+", null), -1);
}
}));
// Token Filters
tokenFilterFactories.put("word_delimiter", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "word_delimiter";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new WordDelimiterFilter(tokenStream,
WordDelimiterFilter.GENERATE_WORD_PARTS |
WordDelimiterFilter.GENERATE_NUMBER_PARTS |
WordDelimiterFilter.SPLIT_ON_CASE_CHANGE |
WordDelimiterFilter.SPLIT_ON_NUMERICS |
WordDelimiterFilter.STEM_ENGLISH_POSSESSIVE, null);
}
}));
tokenFilterFactories.put("stop", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "stop";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new StopFilter(Lucene.ANALYZER_VERSION, tokenStream, StopAnalyzer.ENGLISH_STOP_WORDS_SET);
}
}));
tokenFilterFactories.put("trim", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "trim";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new TrimFilter(tokenStream, false);
}
}));
tokenFilterFactories.put("reverse", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "reverse";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new ReverseStringFilter(Lucene.ANALYZER_VERSION, tokenStream);
}
}));
tokenFilterFactories.put("asciifolding", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "asciifolding";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new ASCIIFoldingFilter(tokenStream);
}
}));
tokenFilterFactories.put("length", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "length";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new LengthFilter(true, tokenStream, 0, Integer.MAX_VALUE);
}
}));
tokenFilterFactories.put("common_grams", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "common_grams";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new CommonGramsFilter(Lucene.ANALYZER_VERSION, tokenStream, CharArraySet.EMPTY_SET);
}
}));
tokenFilterFactories.put("lowercase", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "lowercase";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new LowerCaseFilter(Lucene.ANALYZER_VERSION, tokenStream);
}
}));
tokenFilterFactories.put("kstem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "kstem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new KStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("porter_stem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "porter_stem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new PorterStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("standard", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "standard";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new StandardFilter(Lucene.ANALYZER_VERSION, tokenStream);
}
}));
tokenFilterFactories.put("classic", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "classic";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new ClassicFilter(tokenStream);
}
}));
tokenFilterFactories.put("nGram", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "nGram";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new NGramTokenFilter(tokenStream);
}
}));
tokenFilterFactories.put("ngram", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "ngram";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new NGramTokenFilter(tokenStream);
}
}));
tokenFilterFactories.put("edgeNGram", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "edgeNGram";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new EdgeNGramTokenFilter(tokenStream, EdgeNGramTokenFilter.DEFAULT_SIDE, EdgeNGramTokenFilter.DEFAULT_MIN_GRAM_SIZE, EdgeNGramTokenFilter.DEFAULT_MAX_GRAM_SIZE);
}
}));
tokenFilterFactories.put("edge_ngram", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "edge_ngram";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new EdgeNGramTokenFilter(tokenStream, EdgeNGramTokenFilter.DEFAULT_SIDE, EdgeNGramTokenFilter.DEFAULT_MIN_GRAM_SIZE, EdgeNGramTokenFilter.DEFAULT_MAX_GRAM_SIZE);
}
}));
tokenFilterFactories.put("shingle", new PreBuiltTokenFilterFactoryFactory(new ShingleTokenFilterFactory.Factory("shingle")));
tokenFilterFactories.put("unique", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "unique";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new UniqueTokenFilter(tokenStream);
}
}));
tokenFilterFactories.put("truncate", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "truncate";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new TruncateTokenFilter(tokenStream, 10);
}
}));
// Extended Token Filters
tokenFilterFactories.put("snowball", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "snowball";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new SnowballFilter(tokenStream, "English");
}
}));
tokenFilterFactories.put("stemmer", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "stemmer";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new PorterStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("elision", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "elision";
}
@Override
public TokenStream create(TokenStream tokenStream) {
// LUCENE 4 UPGRADE: French default for now, make set of articles configurable
return new ElisionFilter(tokenStream, FrenchAnalyzer.DEFAULT_ARTICLES);
}
}));
tokenFilterFactories.put("arabic_stem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "arabic_stem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new ArabicStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("brazilian_stem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "brazilian_stem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new BrazilianStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("czech_stem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "czech_stem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new CzechStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("dutch_stem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "dutch_stem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new DutchStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("french_stem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "french_stem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new FrenchStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("german_stem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "german_stem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new GermanStemFilter(tokenStream);
}
}));
tokenFilterFactories.put("russian_stem", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "russian_stem";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new SnowballFilter(tokenStream, "Russian");
}
}));
tokenFilterFactories.put("keyword_repeat", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "keyword_repeat";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new KeywordRepeatFilter(tokenStream);
}
}));
tokenFilterFactories.put("arabic_normalization", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "arabic_normalization";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new ArabicNormalizationFilter(tokenStream);
}
}));
tokenFilterFactories.put("persian_normalization", new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
@Override
public String name() {
return "persian_normalization";
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new PersianNormalizationFilter(tokenStream);
}
}));
// Char Filter
charFilterFactories.put("html_strip", new PreBuiltCharFilterFactoryFactory(new CharFilterFactory() {
@Override
public String name() {
return "html_strip";
}
@Override
public Reader create(Reader tokenStream) {
return new HTMLStripCharFilter(tokenStream);
}
}));
charFilterFactories.put("htmlStrip", new PreBuiltCharFilterFactoryFactory(new CharFilterFactory() {
@Override
public String name() {
return "htmlStrip";
}
@Override
public Reader create(Reader tokenStream) {
return new HTMLStripCharFilter(tokenStream);
}
}));
}
public boolean hasCharFilter(String name) {
return charFilterFactoryFactory(name) != null;
}
public Map charFilterFactories() {
return charFilterFactories;
}
public CharFilterFactoryFactory charFilterFactoryFactory(String name) {
return charFilterFactories.get(name);
}
public boolean hasTokenFilter(String name) {
return tokenFilterFactoryFactory(name) != null;
}
public Map tokenFilterFactories() {
return tokenFilterFactories;
}
public TokenFilterFactoryFactory tokenFilterFactoryFactory(String name) {
return tokenFilterFactories.get(name);
}
public boolean hasTokenizer(String name) {
return tokenizerFactoryFactory(name) != null;
}
public Map tokenizerFactories() {
return tokenizerFactories;
}
public TokenizerFactoryFactory tokenizerFactoryFactory(String name) {
return tokenizerFactories.get(name);
}
public Map analyzerProviderFactories() {
return analyzerProviderFactories;
}
public PreBuiltAnalyzerProviderFactory analyzerProviderFactory(String name) {
return analyzerProviderFactories.get(name);
}
public boolean hasAnalyzer(String name) {
return analyzer(name) != null;
}
public Analyzer analyzer(String name) {
PreBuiltAnalyzerProviderFactory analyzerProviderFactory = analyzerProviderFactory(name);
if (analyzerProviderFactory == null) {
return null;
}
return analyzerProviderFactory.analyzer();
}
public void close() {
for (PreBuiltAnalyzerProviderFactory analyzerProviderFactory : analyzerProviderFactories.values()) {
try {
analyzerProviderFactory.analyzer().close();
} catch (Exception e) {
// ignore
}
}
}
}
