expose individual kuromoji token fitlers & tokenizers in elasticsearch in addition to the japanese analyzer
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@ -6,7 +6,7 @@ The Japanese (kuromoji) Analysis plugin integrates Lucene kuromoji analysis modu
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In order to install the plugin, simply run: `bin/plugin -install elasticsearch/elasticsearch-analysis-kuromoji/1.0.0`.
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In order to install the plugin, simply run: `bin/plugin -install elasticsearch/elasticsearch-analysis-kuromoji/1.0.0`.
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--------------------------------------------------
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--------------------------------------------------
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| Smart Chinese Analysis Plugin | ElasticSearch |
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| Kuromoji Analysis Plugin | ElasticSearch |
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--------------------------------------------------
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--------------------------------------------------
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| master | 0.19 -> master |
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| master | 0.19 -> master |
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--------------------------------------------------
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--------------------------------------------------
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@ -0,0 +1,39 @@
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/*
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* Licensed to ElasticSearch and Shay Banon under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. ElasticSearch licenses this
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* file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.elasticsearch.index.analysis;
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/**
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*/
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public class KuromojiAnalysisBinderProcessor extends AnalysisModule.AnalysisBinderProcessor {
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@Override
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public void processTokenizers(TokenizersBindings tokenizersBindings) {
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tokenizersBindings.processTokenizer("kuromoji_tokenizer", KuromojiTokenizerFactory.class);
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}
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@Override
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public void processTokenFilters(TokenFiltersBindings tokenFiltersBindings) {
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tokenFiltersBindings.processTokenFilter("kuromoji_baseform", KuromojiBaseFormFilterFactory.class);
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tokenFiltersBindings.processTokenFilter("kuromoji_part_of_speech", KuromojiPartOfSpeechFilterFactory.class);
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tokenFiltersBindings.processTokenFilter("kuromoji_readingform", KuromojiReadingFormFilterFactory.class);
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tokenFiltersBindings.processTokenFilter("kuromoji_stemmer", KuromojiKatakanaStemmerFactory.class);
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}
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}
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@ -22,6 +22,7 @@ package org.elasticsearch.index.analysis;
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import org.apache.lucene.analysis.CharArraySet;
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import org.apache.lucene.analysis.CharArraySet;
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import org.apache.lucene.analysis.ja.JapaneseAnalyzer;
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import org.apache.lucene.analysis.ja.JapaneseAnalyzer;
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import org.apache.lucene.analysis.ja.JapaneseTokenizer;
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import org.apache.lucene.analysis.ja.JapaneseTokenizer;
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import org.apache.lucene.analysis.ja.dict.UserDictionary;
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import org.elasticsearch.common.inject.Inject;
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import org.elasticsearch.common.inject.Inject;
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import org.elasticsearch.common.inject.assistedinject.Assisted;
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import org.elasticsearch.common.inject.assistedinject.Assisted;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.common.settings.Settings;
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@ -40,24 +41,16 @@ public class KuromojiAnalyzerProvider extends AbstractIndexAnalyzerProvider<Japa
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@Inject
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@Inject
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public KuromojiAnalyzerProvider(Index index, @IndexSettings Settings indexSettings, Environment env, @Assisted String name, @Assisted Settings settings) {
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public KuromojiAnalyzerProvider(Index index, @IndexSettings Settings indexSettings, Environment env, @Assisted String name, @Assisted Settings settings) {
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super(index, indexSettings, name, settings);
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super(index, indexSettings, name, settings);
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Set<?> stopWords = Analysis.parseStopWords(env, settings, JapaneseAnalyzer.getDefaultStopSet(), version);
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final Set<?> stopWords = Analysis.parseStopWords(env, settings, JapaneseAnalyzer.getDefaultStopSet(), version);
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JapaneseTokenizer.Mode mode = JapaneseTokenizer.DEFAULT_MODE;
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final JapaneseTokenizer.Mode mode = KuromojiTokenizerFactory.getMode(settings);
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String modeSetting = settings.get("mode", null);
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final UserDictionary userDictionary = KuromojiTokenizerFactory.getUserDictionary(env, settings);
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if (modeSetting != null) {
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analyzer = new JapaneseAnalyzer(version, userDictionary, mode, CharArraySet.copy(version, stopWords), JapaneseAnalyzer.getDefaultStopTags());
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if ("search".equalsIgnoreCase(modeSetting)) {
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mode = JapaneseTokenizer.Mode.SEARCH;
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} else if ("normal".equalsIgnoreCase(modeSetting)) {
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mode = JapaneseTokenizer.Mode.NORMAL;
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} else if ("extended".equalsIgnoreCase(modeSetting)) {
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mode = JapaneseTokenizer.Mode.EXTENDED;
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}
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}
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analyzer = new JapaneseAnalyzer(version, null, mode, CharArraySet.copy(version, stopWords), JapaneseAnalyzer.getDefaultStopTags());
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}
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}
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@Override
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@Override
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public JapaneseAnalyzer get() {
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public JapaneseAnalyzer get() {
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return this.analyzer;
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return this.analyzer;
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}
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}
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}
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}
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@ -0,0 +1,41 @@
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/*
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* Licensed to ElasticSearch and Shay Banon under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. ElasticSearch licenses this
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* file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.elasticsearch.index.analysis;
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import org.apache.lucene.analysis.TokenStream;
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import org.apache.lucene.analysis.ja.JapaneseBaseFormFilter;
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import org.elasticsearch.common.inject.Inject;
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import org.elasticsearch.common.inject.assistedinject.Assisted;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.index.Index;
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import org.elasticsearch.index.settings.IndexSettings;
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public class KuromojiBaseFormFilterFactory extends AbstractTokenFilterFactory {
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@Inject
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public KuromojiBaseFormFilterFactory(Index index, @IndexSettings Settings indexSettings, @Assisted String name, @Assisted Settings settings) {
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super(index, indexSettings, name, settings);
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}
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@Override
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public TokenStream create(TokenStream tokenStream) {
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return new JapaneseBaseFormFilter(tokenStream);
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}
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}
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@ -0,0 +1,47 @@
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/*
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* Licensed to ElasticSearch and Shay Banon under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. ElasticSearch licenses this
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* file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.elasticsearch.index.analysis;
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import org.apache.lucene.analysis.TokenStream;
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import org.apache.lucene.analysis.ja.JapaneseKatakanaStemFilter;
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import org.elasticsearch.common.inject.Inject;
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import org.elasticsearch.common.inject.assistedinject.Assisted;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.index.Index;
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import org.elasticsearch.index.settings.IndexSettings;
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public class KuromojiKatakanaStemmerFactory extends AbstractTokenFilterFactory {
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private final int minimumLength;
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@Inject
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public KuromojiKatakanaStemmerFactory(Index index,
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@IndexSettings Settings indexSettings, @Assisted String name,
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@Assisted Settings settings) {
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super(index, indexSettings, name, settings);
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minimumLength = settings.getAsInt("minimum_length",
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JapaneseKatakanaStemFilter.DEFAULT_MINIMUM_LENGTH).intValue();
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}
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@Override
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public TokenStream create(TokenStream tokenStream) {
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return new JapaneseKatakanaStemFilter(tokenStream, minimumLength);
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}
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}
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@ -0,0 +1,60 @@
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/*
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* Licensed to ElasticSearch and Shay Banon under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. ElasticSearch licenses this
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* file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.elasticsearch.index.analysis;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.apache.lucene.analysis.TokenStream;
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import org.apache.lucene.analysis.ja.JapanesePartOfSpeechStopFilter;
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import org.elasticsearch.common.inject.Inject;
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import org.elasticsearch.common.inject.assistedinject.Assisted;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.env.Environment;
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import org.elasticsearch.index.Index;
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import org.elasticsearch.index.settings.IndexSettings;
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public class KuromojiPartOfSpeechFilterFactory extends
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AbstractTokenFilterFactory {
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private final boolean enablePositionIncrements;
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private final Set<String> stopTags = new HashSet<String>();
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@Inject
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public KuromojiPartOfSpeechFilterFactory(Index index,
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@IndexSettings Settings indexSettings, Environment env,
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@Assisted String name, @Assisted Settings settings) {
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super(index, indexSettings, name, settings);
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List<String> wordList = Analysis.getWordList(env, settings, "stoptags");
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if (wordList != null) {
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stopTags.addAll(wordList);
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}
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this.enablePositionIncrements = settings.getAsBoolean(
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"enable_position_increments", true);
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}
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@Override
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public TokenStream create(TokenStream tokenStream) {
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return new JapanesePartOfSpeechStopFilter(enablePositionIncrements,
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tokenStream, stopTags);
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}
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}
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@ -0,0 +1,46 @@
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/*
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* Licensed to ElasticSearch and Shay Banon under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. ElasticSearch licenses this
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* file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.elasticsearch.index.analysis;
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import org.apache.lucene.analysis.TokenStream;
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import org.apache.lucene.analysis.ja.JapaneseReadingFormFilter;
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import org.elasticsearch.common.inject.Inject;
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import org.elasticsearch.common.inject.assistedinject.Assisted;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.index.Index;
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import org.elasticsearch.index.settings.IndexSettings;
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public class KuromojiReadingFormFilterFactory extends
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AbstractTokenFilterFactory {
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private final boolean useRomaji;
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@Inject
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public KuromojiReadingFormFilterFactory(Index index,
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@IndexSettings Settings indexSettings, @Assisted String name,
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@Assisted Settings settings) {
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super(index, indexSettings, name, settings);
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useRomaji = settings.getAsBoolean("use_romaji", false);
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}
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@Override
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public TokenStream create(TokenStream tokenStream) {
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return new JapaneseReadingFormFilter(tokenStream, useRomaji);
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}
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}
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@ -0,0 +1,98 @@
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/*
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* Licensed to ElasticSearch and Shay Banon under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. ElasticSearch licenses this
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* file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.elasticsearch.index.analysis;
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import java.io.IOException;
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import java.io.Reader;
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import org.apache.lucene.analysis.Tokenizer;
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import org.apache.lucene.analysis.ja.JapaneseTokenizer;
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import org.apache.lucene.analysis.ja.JapaneseTokenizer.Mode;
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import org.apache.lucene.analysis.ja.dict.UserDictionary;
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import org.elasticsearch.ElasticSearchException;
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import org.elasticsearch.common.inject.Inject;
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import org.elasticsearch.common.inject.assistedinject.Assisted;
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import org.elasticsearch.common.settings.Settings;
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import org.elasticsearch.env.Environment;
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import org.elasticsearch.index.Index;
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import org.elasticsearch.index.settings.IndexSettings;
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/**
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*/
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public class KuromojiTokenizerFactory extends AbstractTokenizerFactory {
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private static final String USER_DICT_OPTION = "user_dictionary";
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private final UserDictionary userDictionary;
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private final Mode mode;
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private boolean discartPunctuation;
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@Inject
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public KuromojiTokenizerFactory(Index index,
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@IndexSettings Settings indexSettings, Environment env,
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@Assisted String name, @Assisted Settings settings) {
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super(index, indexSettings, name, settings);
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mode = getMode(settings);
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userDictionary = getUserDictionary(env, settings);
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discartPunctuation = settings.getAsBoolean("discard_punctuation", true);
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}
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public static UserDictionary getUserDictionary(Environment env,
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Settings settings) {
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try {
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final Reader reader = Analysis.getReaderFromFile(env, settings,
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USER_DICT_OPTION);
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if (reader == null) {
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return null;
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} else {
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try {
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return new UserDictionary(reader);
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} finally {
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reader.close();
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}
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}
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} catch (IOException e) {
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throw new ElasticSearchException(
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"failed to load kuromoji user dictionary", e);
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}
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}
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public static JapaneseTokenizer.Mode getMode(Settings settings) {
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JapaneseTokenizer.Mode mode = JapaneseTokenizer.DEFAULT_MODE;
|
||||||
|
String modeSetting = settings.get("mode", null);
|
||||||
|
if (modeSetting != null) {
|
||||||
|
if ("search".equalsIgnoreCase(modeSetting)) {
|
||||||
|
mode = JapaneseTokenizer.Mode.SEARCH;
|
||||||
|
} else if ("normal".equalsIgnoreCase(modeSetting)) {
|
||||||
|
mode = JapaneseTokenizer.Mode.NORMAL;
|
||||||
|
} else if ("extended".equalsIgnoreCase(modeSetting)) {
|
||||||
|
mode = JapaneseTokenizer.Mode.EXTENDED;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return mode;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Tokenizer create(Reader reader) {
|
||||||
|
return new JapaneseTokenizer(reader, userDictionary,
|
||||||
|
discartPunctuation, mode);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
|
@ -0,0 +1,121 @@
|
||||||
|
/*
|
||||||
|
* 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 java.io.Reader;
|
||||||
|
|
||||||
|
import org.apache.lucene.analysis.TokenStream;
|
||||||
|
import org.apache.lucene.analysis.Tokenizer;
|
||||||
|
import org.apache.lucene.analysis.ja.JapaneseAnalyzer;
|
||||||
|
import org.apache.lucene.analysis.ja.JapaneseBaseFormFilter;
|
||||||
|
import org.apache.lucene.analysis.ja.JapaneseKatakanaStemFilter;
|
||||||
|
import org.apache.lucene.analysis.ja.JapanesePartOfSpeechStopFilter;
|
||||||
|
import org.apache.lucene.analysis.ja.JapaneseReadingFormFilter;
|
||||||
|
import org.apache.lucene.analysis.ja.JapaneseTokenizer;
|
||||||
|
import org.apache.lucene.analysis.ja.JapaneseTokenizer.Mode;
|
||||||
|
import org.elasticsearch.common.component.AbstractComponent;
|
||||||
|
import org.elasticsearch.common.inject.Inject;
|
||||||
|
import org.elasticsearch.common.settings.Settings;
|
||||||
|
import org.elasticsearch.index.analysis.PreBuiltTokenFilterFactoryFactory;
|
||||||
|
import org.elasticsearch.index.analysis.PreBuiltTokenizerFactoryFactory;
|
||||||
|
import org.elasticsearch.index.analysis.TokenFilterFactory;
|
||||||
|
import org.elasticsearch.index.analysis.TokenizerFactory;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Registers indices level analysis components so, if not explicitly configured,
|
||||||
|
* will be shared among all indices.
|
||||||
|
*/
|
||||||
|
public class KuromojiIndicesAnalysis extends AbstractComponent {
|
||||||
|
|
||||||
|
@Inject
|
||||||
|
public KuromojiIndicesAnalysis(Settings settings,
|
||||||
|
IndicesAnalysisService indicesAnalysisService) {
|
||||||
|
super(settings);
|
||||||
|
|
||||||
|
indicesAnalysisService.tokenizerFactories().put("kuromoji_tokenizer",
|
||||||
|
new PreBuiltTokenizerFactoryFactory(new TokenizerFactory() {
|
||||||
|
@Override
|
||||||
|
public String name() {
|
||||||
|
return "kuromoji_tokenizer";
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Tokenizer create(Reader reader) {
|
||||||
|
return new JapaneseTokenizer(reader, null, true,
|
||||||
|
Mode.SEARCH);
|
||||||
|
}
|
||||||
|
}));
|
||||||
|
|
||||||
|
indicesAnalysisService.tokenFilterFactories().put("kuromoji_baseform",
|
||||||
|
new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
|
||||||
|
@Override
|
||||||
|
public String name() {
|
||||||
|
return "kuromoji_baseform";
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public TokenStream create(TokenStream tokenStream) {
|
||||||
|
return new JapaneseBaseFormFilter(tokenStream);
|
||||||
|
}
|
||||||
|
}));
|
||||||
|
|
||||||
|
indicesAnalysisService.tokenFilterFactories().put(
|
||||||
|
"kuromoji_part_of_speech",
|
||||||
|
new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
|
||||||
|
@Override
|
||||||
|
public String name() {
|
||||||
|
return "kuromoji_part_of_speech";
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public TokenStream create(TokenStream tokenStream) {
|
||||||
|
return new JapanesePartOfSpeechStopFilter(false,
|
||||||
|
tokenStream, JapaneseAnalyzer
|
||||||
|
.getDefaultStopTags());
|
||||||
|
}
|
||||||
|
}));
|
||||||
|
|
||||||
|
indicesAnalysisService.tokenFilterFactories().put(
|
||||||
|
"kuromoji_readingform",
|
||||||
|
new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
|
||||||
|
@Override
|
||||||
|
public String name() {
|
||||||
|
return "kuromoji_readingform";
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public TokenStream create(TokenStream tokenStream) {
|
||||||
|
return new JapaneseReadingFormFilter(tokenStream, true);
|
||||||
|
}
|
||||||
|
}));
|
||||||
|
|
||||||
|
indicesAnalysisService.tokenFilterFactories().put("kuromoji_stemmer",
|
||||||
|
new PreBuiltTokenFilterFactoryFactory(new TokenFilterFactory() {
|
||||||
|
@Override
|
||||||
|
public String name() {
|
||||||
|
return "kuromoji_stemmer";
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public TokenStream create(TokenStream tokenStream) {
|
||||||
|
return new JapaneseKatakanaStemFilter(tokenStream);
|
||||||
|
}
|
||||||
|
}));
|
||||||
|
}
|
||||||
|
}
|
|
@ -0,0 +1,32 @@
|
||||||
|
/*
|
||||||
|
* 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.elasticsearch.common.inject.AbstractModule;
|
||||||
|
|
||||||
|
/**
|
||||||
|
*/
|
||||||
|
public class KuromojiIndicesAnalysisModule extends AbstractModule {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
protected void configure() {
|
||||||
|
bind(KuromojiIndicesAnalysis.class).asEagerSingleton();
|
||||||
|
}
|
||||||
|
}
|
|
@ -19,6 +19,7 @@
|
||||||
|
|
||||||
package org.elasticsearch.plugin.analysis.kuromoji;
|
package org.elasticsearch.plugin.analysis.kuromoji;
|
||||||
|
|
||||||
|
import org.elasticsearch.index.analysis.KuromojiAnalysisBinderProcessor;
|
||||||
import org.elasticsearch.index.analysis.KuromojiAnalyzerProvider;
|
import org.elasticsearch.index.analysis.KuromojiAnalyzerProvider;
|
||||||
import org.elasticsearch.index.analysis.AnalysisModule;
|
import org.elasticsearch.index.analysis.AnalysisModule;
|
||||||
import org.elasticsearch.plugins.AbstractPlugin;
|
import org.elasticsearch.plugins.AbstractPlugin;
|
||||||
|
@ -40,5 +41,7 @@ public class AnalysisKuromojiPlugin extends AbstractPlugin {
|
||||||
|
|
||||||
public void onModule(AnalysisModule module) {
|
public void onModule(AnalysisModule module) {
|
||||||
module.addAnalyzer("kuromoji", KuromojiAnalyzerProvider.class);
|
module.addAnalyzer("kuromoji", KuromojiAnalyzerProvider.class);
|
||||||
|
module.addProcessor(new KuromojiAnalysisBinderProcessor());
|
||||||
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
|
@ -0,0 +1,218 @@
|
||||||
|
/*
|
||||||
|
* 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.index.analysis;
|
||||||
|
|
||||||
|
import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
|
||||||
|
import static org.elasticsearch.common.settings.ImmutableSettings.Builder.EMPTY_SETTINGS;
|
||||||
|
import static org.hamcrest.Matchers.instanceOf;
|
||||||
|
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.io.StringReader;
|
||||||
|
|
||||||
|
import org.apache.lucene.analysis.TokenStream;
|
||||||
|
import org.apache.lucene.analysis.Tokenizer;
|
||||||
|
import org.apache.lucene.analysis.ja.JapaneseAnalyzer;
|
||||||
|
import org.apache.lucene.analysis.ja.JapaneseTokenizer;
|
||||||
|
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
|
||||||
|
import org.elasticsearch.common.inject.Injector;
|
||||||
|
import org.elasticsearch.common.inject.ModulesBuilder;
|
||||||
|
import org.elasticsearch.common.settings.Settings;
|
||||||
|
import org.elasticsearch.common.settings.SettingsModule;
|
||||||
|
import org.elasticsearch.env.Environment;
|
||||||
|
import org.elasticsearch.env.EnvironmentModule;
|
||||||
|
import org.elasticsearch.index.Index;
|
||||||
|
import org.elasticsearch.index.IndexNameModule;
|
||||||
|
import org.elasticsearch.index.settings.IndexSettingsModule;
|
||||||
|
import org.elasticsearch.indices.analysis.IndicesAnalysisModule;
|
||||||
|
import org.elasticsearch.indices.analysis.IndicesAnalysisService;
|
||||||
|
import org.elasticsearch.plugin.analysis.kuromoji.AnalysisKuromojiPlugin;
|
||||||
|
import org.elasticsearch.plugins.PluginsModule;
|
||||||
|
import org.elasticsearch.plugins.PluginsService;
|
||||||
|
import org.hamcrest.MatcherAssert;
|
||||||
|
import org.testng.Assert;
|
||||||
|
import org.testng.annotations.Test;
|
||||||
|
|
||||||
|
/**
|
||||||
|
*/
|
||||||
|
public class KuromojiAnalysisTests {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testDefaultsKuromojiAnalysis() {
|
||||||
|
Index index = new Index("test");
|
||||||
|
|
||||||
|
Injector parentInjector = new ModulesBuilder().add(
|
||||||
|
new SettingsModule(EMPTY_SETTINGS),
|
||||||
|
new EnvironmentModule(new Environment(EMPTY_SETTINGS)),
|
||||||
|
new IndicesAnalysisModule()).createInjector();
|
||||||
|
AnalysisModule analysisModule = new AnalysisModule(EMPTY_SETTINGS,
|
||||||
|
parentInjector.getInstance(IndicesAnalysisService.class));
|
||||||
|
new AnalysisKuromojiPlugin().onModule(analysisModule);
|
||||||
|
Injector injector = new ModulesBuilder().add(
|
||||||
|
new IndexSettingsModule(index, EMPTY_SETTINGS),
|
||||||
|
new IndexNameModule(index), analysisModule)
|
||||||
|
.createChildInjector(parentInjector);
|
||||||
|
|
||||||
|
AnalysisService analysisService = injector
|
||||||
|
.getInstance(AnalysisService.class);
|
||||||
|
|
||||||
|
TokenizerFactory tokenizerFactory = analysisService
|
||||||
|
.tokenizer("kuromoji_tokenizer");
|
||||||
|
MatcherAssert.assertThat(tokenizerFactory,
|
||||||
|
instanceOf(KuromojiTokenizerFactory.class));
|
||||||
|
|
||||||
|
TokenFilterFactory filterFactory = analysisService
|
||||||
|
.tokenFilter("kuromoji_part_of_speech");
|
||||||
|
MatcherAssert.assertThat(filterFactory,
|
||||||
|
instanceOf(KuromojiPartOfSpeechFilterFactory.class));
|
||||||
|
|
||||||
|
filterFactory = analysisService.tokenFilter("kuromoji_readingform");
|
||||||
|
MatcherAssert.assertThat(filterFactory,
|
||||||
|
instanceOf(KuromojiReadingFormFilterFactory.class));
|
||||||
|
|
||||||
|
filterFactory = analysisService.tokenFilter("kuromoji_baseform");
|
||||||
|
MatcherAssert.assertThat(filterFactory,
|
||||||
|
instanceOf(KuromojiBaseFormFilterFactory.class));
|
||||||
|
|
||||||
|
filterFactory = analysisService.tokenFilter("kuromoji_stemmer");
|
||||||
|
MatcherAssert.assertThat(filterFactory,
|
||||||
|
instanceOf(KuromojiKatakanaStemmerFactory.class));
|
||||||
|
|
||||||
|
NamedAnalyzer analyzer = analysisService.analyzer("kuromoji");
|
||||||
|
MatcherAssert.assertThat(analyzer.analyzer(),
|
||||||
|
instanceOf(JapaneseAnalyzer.class));
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testBaseFormFilterFactory() throws IOException {
|
||||||
|
AnalysisService analysisService = createAnalysisService();
|
||||||
|
TokenFilterFactory tokenFilter = analysisService
|
||||||
|
.tokenFilter("kuromoji_pos");
|
||||||
|
MatcherAssert.assertThat(tokenFilter,
|
||||||
|
instanceOf(KuromojiPartOfSpeechFilterFactory.class));
|
||||||
|
String source = "私は制限スピードを超える。";
|
||||||
|
String[] expected = new String[] { "私", "は", "制限", "スピード", "を" };
|
||||||
|
Tokenizer tokenizer = new JapaneseTokenizer(new StringReader(source),
|
||||||
|
null, true, JapaneseTokenizer.Mode.SEARCH);
|
||||||
|
assertSimpleTSOutput(tokenFilter.create(tokenizer), expected);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testReadingFormFilterFactory() throws IOException {
|
||||||
|
AnalysisService analysisService = createAnalysisService();
|
||||||
|
TokenFilterFactory tokenFilter = analysisService
|
||||||
|
.tokenFilter("kuromoji_rf");
|
||||||
|
MatcherAssert.assertThat(tokenFilter,
|
||||||
|
instanceOf(KuromojiReadingFormFilterFactory.class));
|
||||||
|
String source = "今夜はロバート先生と話した";
|
||||||
|
String[] expected_tokens_romanji = new String[] { "kon'ya", "ha",
|
||||||
|
"robato", "sensei", "to", "hanashi", "ta" };
|
||||||
|
|
||||||
|
Tokenizer tokenizer = new JapaneseTokenizer(new StringReader(source),
|
||||||
|
null, true, JapaneseTokenizer.Mode.SEARCH);
|
||||||
|
|
||||||
|
assertSimpleTSOutput(tokenFilter.create(tokenizer),
|
||||||
|
expected_tokens_romanji);
|
||||||
|
|
||||||
|
tokenizer = new JapaneseTokenizer(new StringReader(source), null, true,
|
||||||
|
JapaneseTokenizer.Mode.SEARCH);
|
||||||
|
String[] expected_tokens_katakana = new String[] { "コンヤ", "ハ", "ロバート",
|
||||||
|
"センセイ", "ト", "ハナシ", "タ" };
|
||||||
|
tokenFilter = analysisService.tokenFilter("kuromoji_readingform");
|
||||||
|
MatcherAssert.assertThat(tokenFilter,
|
||||||
|
instanceOf(KuromojiReadingFormFilterFactory.class));
|
||||||
|
assertSimpleTSOutput(tokenFilter.create(tokenizer),
|
||||||
|
expected_tokens_katakana);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testKatakanaStemFilter() throws IOException {
|
||||||
|
AnalysisService analysisService = createAnalysisService();
|
||||||
|
TokenFilterFactory tokenFilter = analysisService
|
||||||
|
.tokenFilter("kuromoji_stemmer");
|
||||||
|
MatcherAssert.assertThat(tokenFilter,
|
||||||
|
instanceOf(KuromojiKatakanaStemmerFactory.class));
|
||||||
|
String source = "明後日パーティーに行く予定がある。図書館で資料をコピーしました。";
|
||||||
|
;
|
||||||
|
Tokenizer tokenizer = new JapaneseTokenizer(new StringReader(source),
|
||||||
|
null, true, JapaneseTokenizer.Mode.SEARCH);
|
||||||
|
|
||||||
|
// パーティー should be stemmed by default
|
||||||
|
// (min len) コピー should not be stemmed
|
||||||
|
String[] expected_tokens_katakana = new String[] { "明後日", "パーティ", "に",
|
||||||
|
"行く", "予定", "が", "ある", "図書館", "で", "資料", "を", "コピー", "し", "まし",
|
||||||
|
"た" };
|
||||||
|
assertSimpleTSOutput(tokenFilter.create(tokenizer),
|
||||||
|
expected_tokens_katakana);
|
||||||
|
|
||||||
|
tokenFilter = analysisService.tokenFilter("kuromoji_ks");
|
||||||
|
MatcherAssert.assertThat(tokenFilter,
|
||||||
|
instanceOf(KuromojiKatakanaStemmerFactory.class));
|
||||||
|
tokenizer = new JapaneseTokenizer(new StringReader(source), null, true,
|
||||||
|
JapaneseTokenizer.Mode.SEARCH);
|
||||||
|
|
||||||
|
// パーティー should not be stemmed since min len == 6
|
||||||
|
// コピー should not be stemmed
|
||||||
|
expected_tokens_katakana = new String[] { "明後日", "パーティー", "に", "行く",
|
||||||
|
"予定", "が", "ある", "図書館", "で", "資料", "を", "コピー", "し", "まし", "た" };
|
||||||
|
assertSimpleTSOutput(tokenFilter.create(tokenizer),
|
||||||
|
expected_tokens_katakana);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
public AnalysisService createAnalysisService() {
|
||||||
|
Index index = new Index("test");
|
||||||
|
Settings settings = settingsBuilder().loadFromClasspath(
|
||||||
|
"org/elasticsearch/index/analysis/kuromoji_analysis.json")
|
||||||
|
.build();
|
||||||
|
Injector parentInjector = new ModulesBuilder().add(
|
||||||
|
new SettingsModule(settings),
|
||||||
|
new EnvironmentModule(new Environment(settings)),
|
||||||
|
new IndicesAnalysisModule()).createInjector();
|
||||||
|
AnalysisModule analysisModule = new AnalysisModule(settings,
|
||||||
|
parentInjector.getInstance(IndicesAnalysisService.class));
|
||||||
|
Injector injector = new ModulesBuilder().add(
|
||||||
|
new IndexSettingsModule(index, settings),
|
||||||
|
new PluginsModule(settings, parentInjector
|
||||||
|
.getInstance(PluginsService.class)),
|
||||||
|
new IndexNameModule(index), analysisModule)
|
||||||
|
.createChildInjector(parentInjector);
|
||||||
|
|
||||||
|
AnalysisService analysisService = injector
|
||||||
|
.getInstance(AnalysisService.class);
|
||||||
|
return analysisService;
|
||||||
|
}
|
||||||
|
|
||||||
|
public static void assertSimpleTSOutput(TokenStream stream,
|
||||||
|
String[] expected) throws IOException {
|
||||||
|
stream.reset();
|
||||||
|
CharTermAttribute termAttr = stream
|
||||||
|
.getAttribute(CharTermAttribute.class);
|
||||||
|
Assert.assertNotNull(termAttr);
|
||||||
|
int i = 0;
|
||||||
|
while (stream.incrementToken()) {
|
||||||
|
Assert.assertTrue(i < expected.length);
|
||||||
|
Assert.assertEquals(expected[i++], termAttr.toString(),
|
||||||
|
"expected different term at index " + i);
|
||||||
|
}
|
||||||
|
Assert.assertEquals(i, expected.length, "not all tokens produced");
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
|
@ -0,0 +1,31 @@
|
||||||
|
{
|
||||||
|
"index":{
|
||||||
|
"analysis":{
|
||||||
|
"filter":{
|
||||||
|
"kuromoji_rf":{
|
||||||
|
"type":"kuromoji_readingform",
|
||||||
|
"use_romaji" : "true"
|
||||||
|
},
|
||||||
|
"kuromoji_pos" : {
|
||||||
|
"type": "kuromoji_part_of_speech",
|
||||||
|
"enable_position_increment" : "false",
|
||||||
|
"stoptags" : ["# verb-main:", "動詞-自立"]
|
||||||
|
},
|
||||||
|
"kuromoji_ks" : {
|
||||||
|
"type": "kuromoji_stemmer",
|
||||||
|
"minimum_length" : 6
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
},
|
||||||
|
|
||||||
|
"tokenizer" : {
|
||||||
|
"kuromoji" : {
|
||||||
|
"type":"kuromoji_tokenizer"
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
|
@ -0,0 +1 @@
|
||||||
|
plugin=org.elasticsearch.plugin.analysis.kuromoji.AnalysisKuromojiPlugin
|
Loading…
Reference in New Issue