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Expose WordDelimiterGraphTokenFilter #23327

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Merged
merged 2 commits into from
Feb 23, 2017
Merged

Expose WordDelimiterGraphTokenFilter #23327

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e0a0bcc
Expose WordDelimiterGraphTokenFilter
jimczi Feb 23, 2017
271467e
Address review
jimczi Feb 23, 2017
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2 changes: 2 additions & 0 deletions core/src/main/java/org/elasticsearch/indices/analysis/AnalysisModule.java
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,7 @@
import org.elasticsearch.index.analysis.UpperCaseTokenFilterFactory;
import org.elasticsearch.index.analysis.WhitespaceAnalyzerProvider;
import org.elasticsearch.index.analysis.WhitespaceTokenizerFactory;
import org.elasticsearch.index.analysis.WordDelimiterGraphTokenFilterFactory;
import org.elasticsearch.index.analysis.WordDelimiterTokenFilterFactory;
import org.elasticsearch.index.analysis.compound.DictionaryCompoundWordTokenFilterFactory;
import org.elasticsearch.index.analysis.compound.HyphenationCompoundWordTokenFilterFactory;
Expand Down Expand Up @@ -225,6 +226,7 @@ private NamedRegistry<AnalysisProvider<TokenFilterFactory>> setupTokenFilters(Li
tokenFilters.register("snowball", SnowballTokenFilterFactory::new);
tokenFilters.register("stemmer", StemmerTokenFilterFactory::new);
tokenFilters.register("word_delimiter", WordDelimiterTokenFilterFactory::new);
tokenFilters.register("word_delimiter_graph", WordDelimiterGraphTokenFilterFactory::new);
tokenFilters.register("delimited_payload_filter", DelimitedPayloadTokenFilterFactory::new);
tokenFilters.register("elision", ElisionTokenFilterFactory::new);
tokenFilters.register("flatten_graph", FlattenGraphTokenFilterFactory::new);
Expand Down
13 changes: 13 additions & 0 deletions core/src/main/java/org/elasticsearch/indices/analysis/PreBuiltTokenFilters.java
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Expand Up @@ -51,6 +51,7 @@
import org.apache.lucene.analysis.miscellaneous.TruncateTokenFilter;
import org.apache.lucene.analysis.miscellaneous.UniqueTokenFilter;
import org.apache.lucene.analysis.miscellaneous.WordDelimiterFilter;
import org.apache.lucene.analysis.miscellaneous.WordDelimiterGraphFilter;
import org.apache.lucene.analysis.ngram.EdgeNGramTokenFilter;
import org.apache.lucene.analysis.ngram.NGramTokenFilter;
import org.apache.lucene.analysis.payloads.DelimitedPayloadTokenFilter;
Expand Down Expand Up @@ -87,6 +88,18 @@ public TokenStream create(TokenStream tokenStream, Version version) {
}
},

WORD_DELIMITER_GRAPH(CachingStrategy.ONE) {
@Override
public TokenStream create(TokenStream tokenStream, Version version) {
return new WordDelimiterGraphFilter(tokenStream,
WordDelimiterGraphFilter.GENERATE_WORD_PARTS |
WordDelimiterGraphFilter.GENERATE_NUMBER_PARTS |
WordDelimiterGraphFilter.SPLIT_ON_CASE_CHANGE |
WordDelimiterGraphFilter.SPLIT_ON_NUMERICS |
WordDelimiterGraphFilter.STEM_ENGLISH_POSSESSIVE, null);
}
},

STOP(CachingStrategy.LUCENE) {
@Override
public TokenStream create(TokenStream tokenStream, Version version) {
Expand Down
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