org.elasticsearch.index.analysis.NumericAnalyzer 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 org.apache.lucene.analysis.Analyzer;
import java.io.IOException;
import java.io.Reader;
/**
*
*/
public abstract class NumericAnalyzer extends Analyzer {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
try {
// LUCENE 4 UPGRADE: in reusableTokenStream the buffer size was char[120]
// Not sure if this is intentional or not
return new TokenStreamComponents(createNumericTokenizer(reader, new char[32]));
} catch (IOException e) {
throw new RuntimeException("Failed to create numeric tokenizer", e);
}
}
protected abstract T createNumericTokenizer(Reader reader, char[] buffer) throws IOException;
}