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/*
* Licensed to Elasticsearch 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.index.analysis;
import com.google.common.collect.Maps;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.inject.Scopes;
import org.elasticsearch.common.inject.assistedinject.FactoryProvider;
import org.elasticsearch.common.inject.multibindings.MapBinder;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.analysis.compound.DictionaryCompoundWordTokenFilterFactory;
import org.elasticsearch.index.analysis.compound.HyphenationCompoundWordTokenFilterFactory;
import org.elasticsearch.indices.analysis.IndicesAnalysisService;
import java.util.LinkedList;
import java.util.Map;
import java.util.Objects;
/**
*
*/
public class AnalysisModule extends AbstractModule {
public static class AnalysisBinderProcessor {
public void processCharFilters(CharFiltersBindings charFiltersBindings) {
}
public static class CharFiltersBindings {
private final Map> charFilters = Maps.newHashMap();
public CharFiltersBindings() {
}
public void processCharFilter(String name, Class charFilterFactory) {
charFilters.put(name, charFilterFactory);
}
}
public void processTokenFilters(TokenFiltersBindings tokenFiltersBindings) {
}
public static class TokenFiltersBindings {
private final Map> tokenFilters = Maps.newHashMap();
public TokenFiltersBindings() {
}
public void processTokenFilter(String name, Class tokenFilterFactory) {
tokenFilters.put(name, tokenFilterFactory);
}
}
public void processTokenizers(TokenizersBindings tokenizersBindings) {
}
public static class TokenizersBindings {
private final Map> tokenizers = Maps.newHashMap();
public TokenizersBindings() {
}
public void processTokenizer(String name, Class tokenizerFactory) {
tokenizers.put(name, tokenizerFactory);
}
}
public void processAnalyzers(AnalyzersBindings analyzersBindings) {
}
public static class AnalyzersBindings {
private final Map> analyzers = Maps.newHashMap();
public AnalyzersBindings() {
}
public void processAnalyzer(String name, Class analyzerProvider) {
analyzers.put(name, analyzerProvider);
}
}
}
private final Settings settings;
private final IndicesAnalysisService indicesAnalysisService;
private final LinkedList processors = new LinkedList<>();
private final Map> charFilters = Maps.newHashMap();
private final Map> tokenFilters = Maps.newHashMap();
private final Map> tokenizers = Maps.newHashMap();
private final Map> analyzers = Maps.newHashMap();
public AnalysisModule(Settings settings, IndicesAnalysisService indicesAnalysisService) {
Objects.requireNonNull(indicesAnalysisService);
this.settings = settings;
this.indicesAnalysisService = indicesAnalysisService;
processors.add(new DefaultProcessor());
try {
processors.add(new ExtendedProcessor());
} catch (Throwable t) {
// ignore. no extended ones
}
}
public AnalysisModule addProcessor(AnalysisBinderProcessor processor) {
processors.addFirst(processor);
return this;
}
public AnalysisModule addCharFilter(String name, Class charFilter) {
charFilters.put(name, charFilter);
return this;
}
public AnalysisModule addTokenFilter(String name, Class tokenFilter) {
tokenFilters.put(name, tokenFilter);
return this;
}
public AnalysisModule addTokenizer(String name, Class tokenizer) {
tokenizers.put(name, tokenizer);
return this;
}
public AnalysisModule addAnalyzer(String name, Class analyzer) {
analyzers.put(name, analyzer);
return this;
}
@Override
protected void configure() {
MapBinder charFilterBinder
= MapBinder.newMapBinder(binder(), String.class, CharFilterFactoryFactory.class);
// CHAR FILTERS
AnalysisBinderProcessor.CharFiltersBindings charFiltersBindings = new AnalysisBinderProcessor.CharFiltersBindings();
for (AnalysisBinderProcessor processor : processors) {
processor.processCharFilters(charFiltersBindings);
}
charFiltersBindings.charFilters.putAll(charFilters);
Map charFiltersSettings = settings.getGroups("index.analysis.char_filter");
for (Map.Entry entry : charFiltersSettings.entrySet()) {
String charFilterName = entry.getKey();
Settings charFilterSettings = entry.getValue();
String typeName = charFilterSettings.get("type");
if (typeName == null) {
throw new IllegalArgumentException("CharFilter [" + charFilterName + "] must have a type associated with it");
}
Class type = charFiltersBindings.charFilters.get(typeName);
if (type == null) {
throw new IllegalArgumentException("Unknown CharFilter type [" + typeName + "] for [" + charFilterName + "]");
}
charFilterBinder.addBinding(charFilterName).toProvider(FactoryProvider.newFactory(CharFilterFactoryFactory.class, type)).in(Scopes.SINGLETON);
}
// go over the char filters in the bindings and register the ones that are not configured
for (Map.Entry> entry : charFiltersBindings.charFilters.entrySet()) {
String charFilterName = entry.getKey();
Class clazz = entry.getValue();
// we don't want to re-register one that already exists
if (charFiltersSettings.containsKey(charFilterName)) {
continue;
}
// check, if it requires settings, then don't register it, we know default has no settings...
if (clazz.getAnnotation(AnalysisSettingsRequired.class) != null) {
continue;
}
// register if it's not builtin
if (indicesAnalysisService.hasCharFilter(charFilterName) == false) {
charFilterBinder.addBinding(charFilterName).toProvider(FactoryProvider.newFactory(CharFilterFactoryFactory.class, clazz)).in(Scopes.SINGLETON);
}
}
// TOKEN FILTERS
MapBinder tokenFilterBinder
= MapBinder.newMapBinder(binder(), String.class, TokenFilterFactoryFactory.class);
// initial default bindings
AnalysisBinderProcessor.TokenFiltersBindings tokenFiltersBindings = new AnalysisBinderProcessor.TokenFiltersBindings();
for (AnalysisBinderProcessor processor : processors) {
processor.processTokenFilters(tokenFiltersBindings);
}
tokenFiltersBindings.tokenFilters.putAll(tokenFilters);
Map tokenFiltersSettings = settings.getGroups("index.analysis.filter");
for (Map.Entry entry : tokenFiltersSettings.entrySet()) {
String tokenFilterName = entry.getKey();
Settings tokenFilterSettings = entry.getValue();
String typeName = tokenFilterSettings.get("type");
if (typeName == null) {
throw new IllegalArgumentException("TokenFilter [" + tokenFilterName + "] must have a type associated with it");
}
Class type = tokenFiltersBindings.tokenFilters.get(typeName);
if (type == null) {
throw new IllegalArgumentException("Unknown TokenFilter type [" + typeName + "] for [" + tokenFilterName + "]");
}
tokenFilterBinder.addBinding(tokenFilterName).toProvider(FactoryProvider.newFactory(TokenFilterFactoryFactory.class, type)).in(Scopes.SINGLETON);
}
// go over the filters in the bindings and register the ones that are not configured
for (Map.Entry> entry : tokenFiltersBindings.tokenFilters.entrySet()) {
String tokenFilterName = entry.getKey();
Class clazz = entry.getValue();
// we don't want to re-register one that already exists
if (tokenFiltersSettings.containsKey(tokenFilterName)) {
continue;
}
// check, if it requires settings, then don't register it, we know default has no settings...
if (clazz.getAnnotation(AnalysisSettingsRequired.class) != null) {
continue;
}
// register if it's not builtin
if (indicesAnalysisService.hasTokenFilter(tokenFilterName) == false) {
tokenFilterBinder.addBinding(tokenFilterName).toProvider(FactoryProvider.newFactory(TokenFilterFactoryFactory.class, clazz)).in(Scopes.SINGLETON);
}
}
// TOKENIZER
MapBinder tokenizerBinder
= MapBinder.newMapBinder(binder(), String.class, TokenizerFactoryFactory.class);
// initial default bindings
AnalysisBinderProcessor.TokenizersBindings tokenizersBindings = new AnalysisBinderProcessor.TokenizersBindings();
for (AnalysisBinderProcessor processor : processors) {
processor.processTokenizers(tokenizersBindings);
}
tokenizersBindings.tokenizers.putAll(tokenizers);
Map tokenizersSettings = settings.getGroups("index.analysis.tokenizer");
for (Map.Entry entry : tokenizersSettings.entrySet()) {
String tokenizerName = entry.getKey();
Settings tokenizerSettings = entry.getValue();
String typeName = tokenizerSettings.get("type");
if (typeName == null) {
throw new IllegalArgumentException("Tokenizer [" + tokenizerName + "] must have a type associated with it");
}
Class type = tokenizersBindings.tokenizers.get(typeName);
if (type == null) {
throw new IllegalArgumentException("Unknown Tokenizer type [" + typeName + "] for [" + tokenizerName + "]");
}
tokenizerBinder.addBinding(tokenizerName).toProvider(FactoryProvider.newFactory(TokenizerFactoryFactory.class, type)).in(Scopes.SINGLETON);
}
// go over the tokenizers in the bindings and register the ones that are not configured
for (Map.Entry> entry : tokenizersBindings.tokenizers.entrySet()) {
String tokenizerName = entry.getKey();
Class clazz = entry.getValue();
// we don't want to re-register one that already exists
if (tokenizersSettings.containsKey(tokenizerName)) {
continue;
}
// check, if it requires settings, then don't register it, we know default has no settings...
if (clazz.getAnnotation(AnalysisSettingsRequired.class) != null) {
continue;
}
// register if it's not builtin
if (indicesAnalysisService.hasTokenizer(tokenizerName) == false) {
tokenizerBinder.addBinding(tokenizerName).toProvider(FactoryProvider.newFactory(TokenizerFactoryFactory.class, clazz)).in(Scopes.SINGLETON);
}
}
// ANALYZER
MapBinder analyzerBinder
= MapBinder.newMapBinder(binder(), String.class, AnalyzerProviderFactory.class);
// initial default bindings
AnalysisBinderProcessor.AnalyzersBindings analyzersBindings = new AnalysisBinderProcessor.AnalyzersBindings();
for (AnalysisBinderProcessor processor : processors) {
processor.processAnalyzers(analyzersBindings);
}
analyzersBindings.analyzers.putAll(analyzers);
Map analyzersSettings = settings.getGroups("index.analysis.analyzer");
for (Map.Entry entry : analyzersSettings.entrySet()) {
String analyzerName = entry.getKey();
Settings analyzerSettings = entry.getValue();
String typeName = analyzerSettings.get("type");
Class type;
if (typeName == null) {
if (analyzerSettings.get("tokenizer") != null) {
// custom analyzer, need to add it
type = CustomAnalyzerProvider.class;
} else {
throw new IllegalArgumentException("Analyzer [" + analyzerName + "] must have a type associated with it");
}
} else if (typeName.equals("custom")) {
type = CustomAnalyzerProvider.class;
} else {
type = analyzersBindings.analyzers.get(typeName);
if (type == null) {
throw new IllegalArgumentException("Unknown Analyzer type [" + typeName + "] for [" + analyzerName + "]");
}
}
analyzerBinder.addBinding(analyzerName).toProvider(FactoryProvider.newFactory(AnalyzerProviderFactory.class, type)).in(Scopes.SINGLETON);
}
// go over the analyzers in the bindings and register the ones that are not configured
for (Map.Entry> entry : analyzersBindings.analyzers.entrySet()) {
String analyzerName = entry.getKey();
Class clazz = entry.getValue();
// we don't want to re-register one that already exists
if (analyzersSettings.containsKey(analyzerName)) {
continue;
}
// check, if it requires settings, then don't register it, we know default has no settings...
if (clazz.getAnnotation(AnalysisSettingsRequired.class) != null) {
continue;
}
// register if it's not builtin
if (indicesAnalysisService.hasAnalyzer(analyzerName) == false) {
analyzerBinder.addBinding(analyzerName).toProvider(FactoryProvider.newFactory(AnalyzerProviderFactory.class, clazz)).in(Scopes.SINGLETON);
}
}
bind(AnalysisService.class).in(Scopes.SINGLETON);
}
private static class DefaultProcessor extends AnalysisBinderProcessor {
@Override
public void processCharFilters(CharFiltersBindings charFiltersBindings) {
charFiltersBindings.processCharFilter("html_strip", HtmlStripCharFilterFactory.class);
charFiltersBindings.processCharFilter("pattern_replace", PatternReplaceCharFilterFactory.class);
}
@Override
public void processTokenFilters(TokenFiltersBindings tokenFiltersBindings) {
tokenFiltersBindings.processTokenFilter("stop", StopTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("reverse", ReverseTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("asciifolding", ASCIIFoldingTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("length", LengthTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("lowercase", LowerCaseTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("uppercase", UpperCaseTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("porter_stem", PorterStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("kstem", KStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("standard", StandardTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("nGram", NGramTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("ngram", NGramTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("edgeNGram", EdgeNGramTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("edge_ngram", EdgeNGramTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("shingle", ShingleTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("unique", UniqueTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("truncate", TruncateTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("trim", TrimTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("limit", LimitTokenCountFilterFactory.class);
tokenFiltersBindings.processTokenFilter("common_grams", CommonGramsTokenFilterFactory.class);
}
@Override
public void processTokenizers(TokenizersBindings tokenizersBindings) {
tokenizersBindings.processTokenizer("standard", StandardTokenizerFactory.class);
tokenizersBindings.processTokenizer("uax_url_email", UAX29URLEmailTokenizerFactory.class);
tokenizersBindings.processTokenizer("path_hierarchy", PathHierarchyTokenizerFactory.class);
tokenizersBindings.processTokenizer("PathHierarchy", PathHierarchyTokenizerFactory.class);
tokenizersBindings.processTokenizer("keyword", KeywordTokenizerFactory.class);
tokenizersBindings.processTokenizer("letter", LetterTokenizerFactory.class);
tokenizersBindings.processTokenizer("lowercase", LowerCaseTokenizerFactory.class);
tokenizersBindings.processTokenizer("whitespace", WhitespaceTokenizerFactory.class);
tokenizersBindings.processTokenizer("nGram", NGramTokenizerFactory.class);
tokenizersBindings.processTokenizer("ngram", NGramTokenizerFactory.class);
tokenizersBindings.processTokenizer("edgeNGram", EdgeNGramTokenizerFactory.class);
tokenizersBindings.processTokenizer("edge_ngram", EdgeNGramTokenizerFactory.class);
}
@Override
public void processAnalyzers(AnalyzersBindings analyzersBindings) {
analyzersBindings.processAnalyzer("default", StandardAnalyzerProvider.class);
analyzersBindings.processAnalyzer("standard", StandardAnalyzerProvider.class);
analyzersBindings.processAnalyzer("standard_html_strip", StandardHtmlStripAnalyzerProvider.class);
analyzersBindings.processAnalyzer("simple", SimpleAnalyzerProvider.class);
analyzersBindings.processAnalyzer("stop", StopAnalyzerProvider.class);
analyzersBindings.processAnalyzer("whitespace", WhitespaceAnalyzerProvider.class);
analyzersBindings.processAnalyzer("keyword", KeywordAnalyzerProvider.class);
}
}
private static class ExtendedProcessor extends AnalysisBinderProcessor {
@Override
public void processCharFilters(CharFiltersBindings charFiltersBindings) {
charFiltersBindings.processCharFilter("mapping", MappingCharFilterFactory.class);
}
@Override
public void processTokenFilters(TokenFiltersBindings tokenFiltersBindings) {
tokenFiltersBindings.processTokenFilter("snowball", SnowballTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("stemmer", StemmerTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("word_delimiter", WordDelimiterTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("delimited_payload_filter", DelimitedPayloadTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("synonym", SynonymTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("elision", ElisionTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("keep", KeepWordFilterFactory.class);
tokenFiltersBindings.processTokenFilter("keep_types", KeepTypesFilterFactory.class);
tokenFiltersBindings.processTokenFilter("pattern_capture", PatternCaptureGroupTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("pattern_replace", PatternReplaceTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("dictionary_decompounder", DictionaryCompoundWordTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("hyphenation_decompounder", HyphenationCompoundWordTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("arabic_stem", ArabicStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("brazilian_stem", BrazilianStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("czech_stem", CzechStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("dutch_stem", DutchStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("french_stem", FrenchStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("german_stem", GermanStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("russian_stem", RussianStemTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("keyword_marker", KeywordMarkerTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("stemmer_override", StemmerOverrideTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("arabic_normalization", ArabicNormalizationFilterFactory.class);
tokenFiltersBindings.processTokenFilter("german_normalization", GermanNormalizationFilterFactory.class);
tokenFiltersBindings.processTokenFilter("hindi_normalization", HindiNormalizationFilterFactory.class);
tokenFiltersBindings.processTokenFilter("indic_normalization", IndicNormalizationFilterFactory.class);
tokenFiltersBindings.processTokenFilter("sorani_normalization", SoraniNormalizationFilterFactory.class);
tokenFiltersBindings.processTokenFilter("persian_normalization", PersianNormalizationFilterFactory.class);
tokenFiltersBindings.processTokenFilter("scandinavian_normalization", ScandinavianNormalizationFilterFactory.class);
tokenFiltersBindings.processTokenFilter("scandinavian_folding", ScandinavianFoldingFilterFactory.class);
tokenFiltersBindings.processTokenFilter("serbian_normalization", SerbianNormalizationFilterFactory.class);
tokenFiltersBindings.processTokenFilter("hunspell", HunspellTokenFilterFactory.class);
tokenFiltersBindings.processTokenFilter("cjk_bigram", CJKBigramFilterFactory.class);
tokenFiltersBindings.processTokenFilter("cjk_width", CJKWidthFilterFactory.class);
tokenFiltersBindings.processTokenFilter("apostrophe", ApostropheFilterFactory.class);
tokenFiltersBindings.processTokenFilter("classic", ClassicFilterFactory.class);
tokenFiltersBindings.processTokenFilter("decimal_digit", DecimalDigitFilterFactory.class);
}
@Override
public void processTokenizers(TokenizersBindings tokenizersBindings) {
tokenizersBindings.processTokenizer("pattern", PatternTokenizerFactory.class);
tokenizersBindings.processTokenizer("classic", ClassicTokenizerFactory.class);
tokenizersBindings.processTokenizer("thai", ThaiTokenizerFactory.class);
}
@Override
public void processAnalyzers(AnalyzersBindings analyzersBindings) {
analyzersBindings.processAnalyzer("pattern", PatternAnalyzerProvider.class);
analyzersBindings.processAnalyzer("snowball", SnowballAnalyzerProvider.class);
analyzersBindings.processAnalyzer("arabic", ArabicAnalyzerProvider.class);
analyzersBindings.processAnalyzer("armenian", ArmenianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("basque", BasqueAnalyzerProvider.class);
analyzersBindings.processAnalyzer("brazilian", BrazilianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("bulgarian", BulgarianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("catalan", CatalanAnalyzerProvider.class);
analyzersBindings.processAnalyzer("chinese", ChineseAnalyzerProvider.class);
analyzersBindings.processAnalyzer("cjk", CjkAnalyzerProvider.class);
analyzersBindings.processAnalyzer("czech", CzechAnalyzerProvider.class);
analyzersBindings.processAnalyzer("danish", DanishAnalyzerProvider.class);
analyzersBindings.processAnalyzer("dutch", DutchAnalyzerProvider.class);
analyzersBindings.processAnalyzer("english", EnglishAnalyzerProvider.class);
analyzersBindings.processAnalyzer("finnish", FinnishAnalyzerProvider.class);
analyzersBindings.processAnalyzer("french", FrenchAnalyzerProvider.class);
analyzersBindings.processAnalyzer("galician", GalicianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("german", GermanAnalyzerProvider.class);
analyzersBindings.processAnalyzer("greek", GreekAnalyzerProvider.class);
analyzersBindings.processAnalyzer("hindi", HindiAnalyzerProvider.class);
analyzersBindings.processAnalyzer("hungarian", HungarianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("indonesian", IndonesianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("irish", IrishAnalyzerProvider.class);
analyzersBindings.processAnalyzer("italian", ItalianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("latvian", LatvianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("lithuanian", LithuanianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("norwegian", NorwegianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("persian", PersianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("portuguese", PortugueseAnalyzerProvider.class);
analyzersBindings.processAnalyzer("romanian", RomanianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("russian", RussianAnalyzerProvider.class);
analyzersBindings.processAnalyzer("sorani", SoraniAnalyzerProvider.class);
analyzersBindings.processAnalyzer("spanish", SpanishAnalyzerProvider.class);
analyzersBindings.processAnalyzer("swedish", SwedishAnalyzerProvider.class);
analyzersBindings.processAnalyzer("turkish", TurkishAnalyzerProvider.class);
analyzersBindings.processAnalyzer("thai", ThaiAnalyzerProvider.class);
}
}
}