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Add nori_number token filter in analysis-nori (#53583)
This change adds the `nori_number` token filter. It also adds a `discard_punctuation` option in nori_tokenizer that should be used in conjunction with the new filter.
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38 changes: 38 additions & 0 deletions
38
...analysis-nori/src/main/java/org/elasticsearch/index/analysis/NoriNumberFilterFactory.java
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/* | ||
* Licensed to Elasticsearch 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. | ||
*/ | ||
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package org.elasticsearch.index.analysis; | ||
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import org.apache.lucene.analysis.TokenStream; | ||
import org.apache.lucene.analysis.ko.KoreanNumberFilter; | ||
import org.elasticsearch.common.settings.Settings; | ||
import org.elasticsearch.env.Environment; | ||
import org.elasticsearch.index.IndexSettings; | ||
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public class NoriNumberFilterFactory extends AbstractTokenFilterFactory { | ||
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public NoriNumberFilterFactory(IndexSettings indexSettings, Environment environment, String name, Settings settings) { | ||
super(indexSettings, name, settings); | ||
} | ||
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@Override | ||
public TokenStream create(TokenStream tokenStream) { | ||
return new KoreanNumberFilter(tokenStream); | ||
} | ||
} |
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