/*
* Copyright 2012 Igor Motov
*
* 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.
*/
package org.elasticsearch.index.analysis.morphology.russian;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.morphology.LuceneMorphology;
import org.apache.lucene.morphology.analyzer.MorphologyFilter;
import org.apache.lucene.morphology.russian.RussianLuceneMorphology;
import org.elasticsearch.ElasticsearchIllegalArgumentException;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.analysis.AbstractTokenFilterFactory;
import org.elasticsearch.index.settings.IndexSettings;
import java.io.IOException;
/**
*
*/
public class RussianMorphologyTokenFilterFactory extends AbstractTokenFilterFactory {
private final LuceneMorphology luceneMorph;
@Inject
public RussianMorphologyTokenFilterFactory(Index index, @IndexSettings Settings indexSettings, String name, Settings settings) {
super(index, indexSettings, name, settings);
try {
luceneMorph = new RussianLuceneMorphology();
} catch (IOException ex) {
throw new ElasticsearchIllegalArgumentException("Unable to load Russian morphology analyzer", ex);
}
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new MorphologyFilter(tokenStream, luceneMorph);
}
}