org.elasticsearch.index.analysis.FieldNameAnalyzer Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon 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 com.google.common.collect.ImmutableMap;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.AnalyzerWrapper;
import java.util.Map;
/**
*
*/
public final class FieldNameAnalyzer extends AnalyzerWrapper {
private final ImmutableMap analyzers;
private final Analyzer defaultAnalyzer;
public FieldNameAnalyzer(Map analyzers, Analyzer defaultAnalyzer) {
this.analyzers = ImmutableMap.copyOf(analyzers);
this.defaultAnalyzer = defaultAnalyzer;
}
public ImmutableMap analyzers() {
return analyzers;
}
public Analyzer defaultAnalyzer() {
return defaultAnalyzer;
}
@Override
protected Analyzer getWrappedAnalyzer(String fieldName) {
return getAnalyzer(fieldName);
}
@Override
protected TokenStreamComponents wrapComponents(String fieldName, TokenStreamComponents components) {
return components;
}
private Analyzer getAnalyzer(String name) {
Analyzer analyzer = analyzers.get(name);
if (analyzer != null) {
return analyzer;
}
return defaultAnalyzer;
}
}