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Support Greek stemming

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While the GreekAnalyzer supports stemming, custom analyzers for the greek language cannot be build because there is no GreekStemmer (although lucene has one).
This commit is contained in:
George Chatzigeorgiou 2011-11-27 00:37:42 +02:00 committed by Shay Banon
parent f18ad903a9
commit a1a856e4b9
1 changed files with 3 additions and 0 deletions
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modules/elasticsearch/src/main/java/org/elasticsearch/index/analysis/StemmerTokenFilterFactory.java
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@ -38,6 +38,7 @@ import org.apache.lucene.analysis.pt.PortugueseLightStemFilter;
import org.apache.lucene.analysis.pt.PortugueseMinimalStemFilter;
import org.apache.lucene.analysis.pt.PortugueseStemFilter;
import org.apache.lucene.analysis.ru.RussianLightStemFilter;
import org.apache.lucene.analysis.el.GreekStemFilter;
import org.apache.lucene.analysis.snowball.SnowballFilter;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.Inject;
@ -141,6 +142,8 @@ public class StemmerTokenFilterFactory extends AbstractTokenFilterFactory {
return new SpanishLightStemFilter(tokenStream);
} else if ("light_swedish".equalsIgnoreCase(language) || "lightSwedish".equalsIgnoreCase(language)) {
return new SpanishLightStemFilter(tokenStream);
} else if ("greek".equalsIgnoreCase(language)) {
return new GreekStemFilter(tokenStream);
}
return new SnowballFilter(tokenStream, language);
}