org.apache.lucene.analysis.core.WhitespaceAnalyzer Maven / Gradle / Ivy
Show all versions of infinispan-embedded-query
package org.apache.lucene.analysis.core;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.
*/
import java.io.Reader;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.util.CharTokenizer;
import org.apache.lucene.util.Version;
/**
* An Analyzer that uses {@link WhitespaceTokenizer}.
*
* You must specify the required {@link Version} compatibility
* when creating {@link CharTokenizer}:
*
* - As of 3.1, {@link WhitespaceTokenizer} uses an int based API to normalize and
* detect token codepoints. See {@link CharTokenizer#isTokenChar(int)} and
* {@link CharTokenizer#normalize(int)} for details.
*
*
**/
public final class WhitespaceAnalyzer extends Analyzer {
private final Version matchVersion;
/**
* Creates a new {@link WhitespaceAnalyzer}
* @param matchVersion Lucene version to match See {@link above}
*/
public WhitespaceAnalyzer(Version matchVersion) {
this.matchVersion = matchVersion;
}
@Override
protected TokenStreamComponents createComponents(final String fieldName,
final Reader reader) {
return new TokenStreamComponents(new WhitespaceTokenizer(matchVersion, reader));
}
}