/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.
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package org.elasticsearch.index.analysis;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.tokenattributes.TermAttribute;
import org.elasticsearch.common.inject.Injector;
import org.elasticsearch.common.inject.ModulesBuilder;
import org.elasticsearch.common.lucene.all.AllEntries;
import org.elasticsearch.common.lucene.all.AllTokenStream;
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.analysis.compound.DictionaryCompoundWordTokenFilterFactory;
import org.elasticsearch.index.settings.IndexSettingsModule;
import org.elasticsearch.indices.analysis.IndicesAnalysisModule;
import org.elasticsearch.indices.analysis.IndicesAnalysisService;
import org.hamcrest.MatcherAssert;
import org.testng.annotations.Test;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import static org.elasticsearch.common.settings.ImmutableSettings.*;
import static org.hamcrest.Matchers.*;
/**
* @author Edward Dale (scompt@scompt.com)
*/
public class CompoundAnalysisTests {
@Test public void testDefaultsCompoundAnalysis() throws Exception {
Index index = new Index("test");
Settings settings = getJsonSettings();
Injector parentInjector = new ModulesBuilder().add(new SettingsModule(settings), new EnvironmentModule(new Environment(settings)), new IndicesAnalysisModule()).createInjector();
Injector injector = new ModulesBuilder().add(
new IndexSettingsModule(index, settings),
new IndexNameModule(index),
new AnalysisModule(settings, parentInjector.getInstance(IndicesAnalysisService.class)))
.createChildInjector(parentInjector);
AnalysisService analysisService = injector.getInstance(AnalysisService.class);
TokenFilterFactory filterFactory = analysisService.tokenFilter("dict_dec");
MatcherAssert.assertThat(filterFactory, instanceOf(DictionaryCompoundWordTokenFilterFactory.class));
}
@Test public void testDictionaryDecompounder() throws Exception {
Settings[] settingsArr = new Settings[]{getJsonSettings(), getYamlSettings()};
for (Settings settings : settingsArr) {
List<String> terms = analyze(settings, "decompoundingAnalyzer", "donaudampfschiff spargelcremesuppe");
MatcherAssert.assertThat(terms.size(), equalTo(8));
MatcherAssert.assertThat(terms, hasItems("donau", "dampf", "schiff", "donaudampfschiff", "spargel", "creme", "suppe", "spargelcremesuppe"));
}
}
private List<String> analyze(Settings settings, String analyzerName, String text) throws IOException {
Index index = new Index("test");
Injector parentInjector = new ModulesBuilder().add(new SettingsModule(settings), new EnvironmentModule(new Environment(settings)), new IndicesAnalysisModule()).createInjector();
Injector injector = new ModulesBuilder().add(
new IndexSettingsModule(index, settings),
new IndexNameModule(index),
new AnalysisModule(settings, parentInjector.getInstance(IndicesAnalysisService.class)))
.createChildInjector(parentInjector);
AnalysisService analysisService = injector.getInstance(AnalysisService.class);
Analyzer analyzer = analysisService.analyzer(analyzerName).analyzer();
AllEntries allEntries = new AllEntries();
allEntries.addText("field1", text, 1.0f);
allEntries.reset();
TokenStream stream = AllTokenStream.allTokenStream("_all", allEntries, analyzer);
TermAttribute termAtt = stream.addAttribute(TermAttribute.class);
List<String> terms = new ArrayList<String>();
while (stream.incrementToken()) {
String tokText = termAtt.term();
terms.add(tokText);
}
return terms;
}
private Settings getJsonSettings() {
return settingsBuilder().loadFromClasspath("org/elasticsearch/index/analysis/test1.json").build();
}
private Settings getYamlSettings() {
return settingsBuilder().loadFromClasspath("org/elasticsearch/index/analysis/test1.yml").build();
}
}