org.elasticsearch.index.analysis.LengthTokenFilterFactory Maven / Gradle / Ivy
/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import org.apache.lucene.analysis.LengthFilter;
import org.apache.lucene.analysis.TokenStream;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.settings.IndexSettings;
import org.elasticsearch.util.settings.Settings;
/**
* @author kimchy (Shay Banon)
*/
public class LengthTokenFilterFactory extends AbstractTokenFilterFactory {
private final int min;
private final int max;
@Inject public LengthTokenFilterFactory(Index index, @IndexSettings Settings indexSettings, @Assisted String name, @Assisted Settings settings) {
super(index, indexSettings, name);
min = settings.getAsInt("min", 0);
max = settings.getAsInt("max", Integer.MAX_VALUE);
}
@Override public TokenStream create(TokenStream tokenStream) {
return new LengthFilter(tokenStream, min, max);
}
}