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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.index.analysis;
import org.apache.lucene.analysis.Tokenizer;
import org.elasticsearch.Version;
import org.elasticsearch.indices.analysis.PreBuiltCacheFactory;
import org.elasticsearch.indices.analysis.PreBuiltCacheFactory.CachingStrategy;
import java.util.function.Function;
import java.util.function.Supplier;
/**
* Provides pre-configured, shared {@link Tokenizer}s.
*/
public final class PreConfiguredTokenizer extends PreConfiguredAnalysisComponent {
/**
* Create a pre-configured tokenizer that may not vary at all.
*
* @param name the name of the tokenizer in the api
* @param create builds the tokenizer
*/
public static PreConfiguredTokenizer singleton(String name, Supplier create) {
return new PreConfiguredTokenizer(name, CachingStrategy.ONE, version -> create.get());
}
/**
* Create a pre-configured tokenizer that may vary based on the Lucene version.
*
* @param name the name of the tokenizer in the api
* @param create builds the tokenizer
*/
public static PreConfiguredTokenizer luceneVersion(String name, Function create) {
return new PreConfiguredTokenizer(name, CachingStrategy.LUCENE, version -> create.apply(version.luceneVersion));
}
/**
* Create a pre-configured tokenizer that may vary based on the Elasticsearch version.
*
* @param name the name of the tokenizer in the api
* @param create builds the tokenizer
*/
public static PreConfiguredTokenizer elasticsearchVersion(String name, Function create) {
return new PreConfiguredTokenizer(name, CachingStrategy.ELASTICSEARCH, create);
}
private final Function create;
private PreConfiguredTokenizer(String name, PreBuiltCacheFactory.CachingStrategy cache, Function create) {
super(name, cache);
this.create = create;
}
@Override
protected TokenizerFactory create(Version version) {
return TokenizerFactory.newFactory(name, () -> create.apply(version));
}
}