/*
* 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.
*/
package org.elasticsearch.index.analysis;
import org.elasticsearch.Version;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.indices.analysis.AnalysisModule;
import org.elasticsearch.indices.analysis.PreBuiltTokenizers;
import java.io.IOException;
public class PreBuiltTokenizerFactoryFactory implements AnalysisModule.AnalysisProvider<TokenizerFactory> {
private final TokenizerFactory tokenizerFactory;
public PreBuiltTokenizerFactoryFactory(TokenizerFactory tokenizerFactory) {
this.tokenizerFactory = tokenizerFactory;
}
public TokenizerFactory get(IndexSettings indexSettings, Environment environment, String name, Settings settings) throws IOException {
Version indexVersion = Version.indexCreated(settings);
if (!Version.CURRENT.equals(indexVersion)) {
PreBuiltTokenizers preBuiltTokenizers = PreBuiltTokenizers.getOrDefault(name, null);
if (preBuiltTokenizers != null) {
return preBuiltTokenizers.getTokenizerFactory(indexVersion);
}
}
return tokenizerFactory;
}
}