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cleanup the additional analysis components

This commit is contained in:
Shay Banon 2012-06-10 21:51:56 +02:00
parent 801f621b52
commit 32a1503b94
13 changed files with 317 additions and 199 deletions
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202
LICENSE.txt Normal file
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@ -0,0 +1,202 @@
Apache License
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20
README.md
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@ -14,3 +14,23 @@ In order to install the plugin, simply run: `bin/plugin -install elasticsearch/e
--------------------------------------------------
The plugin includes the `kuromoji` analyzer.
h1. License
<pre>
This software is licensed under the Apache 2 license, quoted below.
Copyright 2009-2011 Shay Banon and ElasticSearch <http://www.elasticsearch.org>
Licensed 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.
</pre>

4
pom.xml
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@ -35,6 +35,10 @@
</properties>
<repositories>
<repository>
<id>sonatype</id>
<url>http://oss.sonatype.org/content/repositories/releases/</url>
</repository>
</repositories>
<dependencies>

39
src/main/java/org/elasticsearch/index/analysis/KuromojiAnalysisBinderProcessor.java
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@ -1,39 +0,0 @@
/*
* 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;
/**
*/
public class KuromojiAnalysisBinderProcessor extends AnalysisModule.AnalysisBinderProcessor {
@Override
public void processTokenizers(TokenizersBindings tokenizersBindings) {
tokenizersBindings.processTokenizer("kuromoji_tokenizer", KuromojiTokenizerFactory.class);
}
@Override
public void processTokenFilters(TokenFiltersBindings tokenFiltersBindings) {
tokenFiltersBindings.processTokenFilter("kuromoji_baseform", KuromojiBaseFormFilterFactory.class);
tokenFiltersBindings.processTokenFilter("kuromoji_part_of_speech", KuromojiPartOfSpeechFilterFactory.class);
tokenFiltersBindings.processTokenFilter("kuromoji_readingform", KuromojiReadingFormFilterFactory.class);
tokenFiltersBindings.processTokenFilter("kuromoji_stemmer", KuromojiKatakanaStemmerFactory.class);
}
}

4
src/main/java/org/elasticsearch/index/analysis/KuromojiAnalyzerProvider.java
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@ -51,6 +51,6 @@ public class KuromojiAnalyzerProvider extends AbstractIndexAnalyzerProvider<Japa
public JapaneseAnalyzer get() {
return this.analyzer;
}
}

16
src/main/java/org/elasticsearch/index/analysis/KuromojiBaseFormFilterFactory.java
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@ -29,13 +29,13 @@ import org.elasticsearch.index.settings.IndexSettings;
public class KuromojiBaseFormFilterFactory extends AbstractTokenFilterFactory {
@Inject
public KuromojiBaseFormFilterFactory(Index index, @IndexSettings Settings indexSettings, @Assisted String name, @Assisted Settings settings) {
super(index, indexSettings, name, settings);
}
@Inject
public KuromojiBaseFormFilterFactory(Index index, @IndexSettings Settings indexSettings, @Assisted String name, @Assisted Settings settings) {
super(index, indexSettings, name, settings);
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new JapaneseBaseFormFilter(tokenStream);
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new JapaneseBaseFormFilter(tokenStream);
}
}

7
src/main/java/org/elasticsearch/index/analysis/KuromojiKatakanaStemmerFactory.java
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@ -32,12 +32,9 @@ public class KuromojiKatakanaStemmerFactory extends AbstractTokenFilterFactory {
private final int minimumLength;
@Inject
public KuromojiKatakanaStemmerFactory(Index index,
@IndexSettings Settings indexSettings, @Assisted String name,
@Assisted Settings settings) {
public KuromojiKatakanaStemmerFactory(Index index, @IndexSettings Settings indexSettings, @Assisted String name, @Assisted Settings settings) {
super(index, indexSettings, name, settings);
minimumLength = settings.getAsInt("minimum_length",
JapaneseKatakanaStemFilter.DEFAULT_MINIMUM_LENGTH).intValue();
minimumLength = settings.getAsInt("minimum_length", JapaneseKatakanaStemFilter.DEFAULT_MINIMUM_LENGTH);
}
@Override

21
src/main/java/org/elasticsearch/index/analysis/KuromojiPartOfSpeechFilterFactory.java
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@ -19,10 +19,6 @@
package org.elasticsearch.index.analysis;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.ja.JapanesePartOfSpeechStopFilter;
import org.elasticsearch.common.inject.Inject;
@ -32,29 +28,28 @@ import org.elasticsearch.env.Environment;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.settings.IndexSettings;
public class KuromojiPartOfSpeechFilterFactory extends
AbstractTokenFilterFactory {
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class KuromojiPartOfSpeechFilterFactory extends AbstractTokenFilterFactory {
private final boolean enablePositionIncrements;
private final Set<String> stopTags = new HashSet<String>();
@Inject
public KuromojiPartOfSpeechFilterFactory(Index index,
@IndexSettings Settings indexSettings, Environment env,
@Assisted String name, @Assisted Settings settings) {
public KuromojiPartOfSpeechFilterFactory(Index index, @IndexSettings Settings indexSettings, Environment env, @Assisted String name, @Assisted Settings settings) {
super(index, indexSettings, name, settings);
List<String> wordList = Analysis.getWordList(env, settings, "stoptags");
if (wordList != null) {
stopTags.addAll(wordList);
}
this.enablePositionIncrements = settings.getAsBoolean(
"enable_position_increments", true);
this.enablePositionIncrements = settings.getAsBoolean("enable_position_increments", true);
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new JapanesePartOfSpeechStopFilter(enablePositionIncrements,
tokenStream, stopTags);
return new JapanesePartOfSpeechStopFilter(enablePositionIncrements, tokenStream, stopTags);
}
}

8
src/main/java/org/elasticsearch/index/analysis/KuromojiReadingFormFilterFactory.java
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@ -27,14 +27,12 @@ import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.settings.IndexSettings;
public class KuromojiReadingFormFilterFactory extends
AbstractTokenFilterFactory {
public class KuromojiReadingFormFilterFactory extends AbstractTokenFilterFactory {
private final boolean useRomaji;
@Inject
public KuromojiReadingFormFilterFactory(Index index,
@IndexSettings Settings indexSettings, @Assisted String name,
@Assisted Settings settings) {
public KuromojiReadingFormFilterFactory(Index index, @IndexSettings Settings indexSettings, @Assisted String name, @Assisted Settings settings) {
super(index, indexSettings, name, settings);
useRomaji = settings.getAsBoolean("use_romaji", false);
}

19
src/main/java/org/elasticsearch/index/analysis/KuromojiTokenizerFactory.java
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@ -18,9 +18,6 @@
*/
package org.elasticsearch.index.analysis;
import java.io.IOException;
import java.io.Reader;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.ja.JapaneseTokenizer;
import org.apache.lucene.analysis.ja.JapaneseTokenizer.Mode;
@ -33,6 +30,9 @@ import org.elasticsearch.env.Environment;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.settings.IndexSettings;
import java.io.IOException;
import java.io.Reader;
/**
*/
public class KuromojiTokenizerFactory extends AbstractTokenizerFactory {
@ -45,20 +45,16 @@ public class KuromojiTokenizerFactory extends AbstractTokenizerFactory {
private boolean discartPunctuation;
@Inject
public KuromojiTokenizerFactory(Index index,
@IndexSettings Settings indexSettings, Environment env,
@Assisted String name, @Assisted Settings settings) {
public KuromojiTokenizerFactory(Index index, @IndexSettings Settings indexSettings, Environment env, @Assisted String name, @Assisted Settings settings) {
super(index, indexSettings, name, settings);
mode = getMode(settings);
userDictionary = getUserDictionary(env, settings);
discartPunctuation = settings.getAsBoolean("discard_punctuation", true);
}
public static UserDictionary getUserDictionary(Environment env,
Settings settings) {
public static UserDictionary getUserDictionary(Environment env, Settings settings) {
try {
final Reader reader = Analysis.getReaderFromFile(env, settings,
USER_DICT_OPTION);
final Reader reader = Analysis.getReaderFromFile(env, settings, USER_DICT_OPTION);
if (reader == null) {
return null;
} else {
@ -69,8 +65,7 @@ public class KuromojiTokenizerFactory extends AbstractTokenizerFactory {
}
}
} catch (IOException e) {
throw new ElasticSearchException(
"failed to load kuromoji user dictionary", e);
throw new ElasticSearchException("failed to load kuromoji user dictionary", e);
}
}

11
src/main/java/org/elasticsearch/plugin/analysis/kuromoji/AnalysisKuromojiPlugin.java
View File

@ -19,9 +19,7 @@
package org.elasticsearch.plugin.analysis.kuromoji;
import org.elasticsearch.index.analysis.KuromojiAnalysisBinderProcessor;
import org.elasticsearch.index.analysis.KuromojiAnalyzerProvider;
import org.elasticsearch.index.analysis.AnalysisModule;
import org.elasticsearch.index.analysis.*;
import org.elasticsearch.plugins.AbstractPlugin;
/**
@ -41,7 +39,10 @@ public class AnalysisKuromojiPlugin extends AbstractPlugin {
public void onModule(AnalysisModule module) {
module.addAnalyzer("kuromoji", KuromojiAnalyzerProvider.class);
module.addProcessor(new KuromojiAnalysisBinderProcessor());
module.addTokenizer("kuromoji_tokenizer", KuromojiTokenizerFactory.class);
module.addTokenFilter("kuromoji_baseform", KuromojiBaseFormFilterFactory.class);
module.addTokenFilter("kuromoji_part_of_speech", KuromojiPartOfSpeechFilterFactory.class);
module.addTokenFilter("kuromoji_readingform", KuromojiReadingFormFilterFactory.class);
module.addTokenFilter("kuromoji_stemmer", KuromojiKatakanaStemmerFactory.class);
}
}

164
src/test/java/org/elasticsearch/index/analysis/KuromojiAnalysisTests.java
View File

@ -19,13 +19,6 @@
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;
@ -33,6 +26,7 @@ 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.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsModule;
import org.elasticsearch.env.Environment;
@ -43,176 +37,128 @@ 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;
import java.io.IOException;
import java.io.StringReader;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.instanceOf;
/**
*/
public class KuromojiAnalysisTests {
@Test
public void testDefaultsKuromojiAnalysis() {
Index index = new Index("test");
AnalysisService analysisService = createAnalysisService();
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);
TokenizerFactory tokenizerFactory = analysisService.tokenizer("kuromoji_tokenizer");
assertThat(tokenizerFactory, instanceOf(KuromojiTokenizerFactory.class));
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));
TokenFilterFactory filterFactory = analysisService.tokenFilter("kuromoji_part_of_speech");
assertThat(filterFactory, instanceOf(KuromojiPartOfSpeechFilterFactory.class));
filterFactory = analysisService.tokenFilter("kuromoji_readingform");
MatcherAssert.assertThat(filterFactory,
instanceOf(KuromojiReadingFormFilterFactory.class));
assertThat(filterFactory, instanceOf(KuromojiReadingFormFilterFactory.class));
filterFactory = analysisService.tokenFilter("kuromoji_baseform");
MatcherAssert.assertThat(filterFactory,
instanceOf(KuromojiBaseFormFilterFactory.class));
assertThat(filterFactory, instanceOf(KuromojiBaseFormFilterFactory.class));
filterFactory = analysisService.tokenFilter("kuromoji_stemmer");
MatcherAssert.assertThat(filterFactory,
instanceOf(KuromojiKatakanaStemmerFactory.class));
assertThat(filterFactory, instanceOf(KuromojiKatakanaStemmerFactory.class));
NamedAnalyzer analyzer = analysisService.analyzer("kuromoji");
MatcherAssert.assertThat(analyzer.analyzer(),
instanceOf(JapaneseAnalyzer.class));
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));
TokenFilterFactory tokenFilter = analysisService.tokenFilter("kuromoji_pos");
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);
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));
TokenFilterFactory tokenFilter = analysisService.tokenFilter("kuromoji_rf");
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" };
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);
Tokenizer tokenizer = new JapaneseTokenizer(new StringReader(source), null, true, JapaneseTokenizer.Mode.SEARCH);
assertSimpleTSOutput(tokenFilter.create(tokenizer),
expected_tokens_romanji);
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" };
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);
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));
TokenFilterFactory tokenFilter = analysisService.tokenFilter("kuromoji_stemmer");
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);
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);
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);
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);
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() {
Settings settings = ImmutableSettings.settingsBuilder().loadFromClasspath("org/elasticsearch/index/analysis/kuromoji_analysis.json").build();
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),
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));
new IndicesAnalysisModule())
.createInjector();
AnalysisModule analysisModule = new AnalysisModule(settings, parentInjector.getInstance(IndicesAnalysisService.class));
new AnalysisKuromojiPlugin().onModule(analysisModule);
Injector injector = new ModulesBuilder().add(
new IndexSettingsModule(index, settings),
new PluginsModule(settings, parentInjector
.getInstance(PluginsService.class)),
new IndexNameModule(index), analysisModule)
new IndexNameModule(index),
analysisModule)
.createChildInjector(parentInjector);
AnalysisService analysisService = injector
.getInstance(AnalysisService.class);
return analysisService;
return injector.getInstance(AnalysisService.class);
}
public static void assertSimpleTSOutput(TokenStream stream,
String[] expected) throws IOException {
String[] expected) throws IOException {
stream.reset();
CharTermAttribute termAttr = stream
.getAttribute(CharTermAttribute.class);
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(expected[i++], termAttr.toString(), "expected different term at index " + i);
}
Assert.assertEquals(i, expected.length, "not all tokens produced");
}
}

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src/test/resources/es-plugin.properties
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plugin=org.elasticsearch.plugin.analysis.kuromoji.AnalysisKuromojiPlugin