org.elasticsearch.common.lucene.all.AllField Maven / Gradle / Ivy
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* 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.common.lucene.all;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.elasticsearch.ElasticsearchException;
import java.io.IOException;
import java.io.Reader;
/**
*
*/
public class AllField extends Field {
private final AllEntries allEntries;
private final Analyzer analyzer;
public AllField(String name, AllEntries allEntries, Analyzer analyzer, FieldType fieldType) {
super(name, fieldType);
this.allEntries = allEntries;
this.analyzer = analyzer;
}
@Override
public String stringValue() {
if (fieldType().stored()) {
return allEntries.buildText();
}
return null;
}
@Override
public Reader readerValue() {
return null;
}
@Override
public TokenStream tokenStream(Analyzer analyzer) throws IOException {
try {
allEntries.reset(); // reset the all entries, just in case it was read already
return AllTokenStream.allTokenStream(name, allEntries, analyzer);
} catch (IOException e) {
throw new ElasticsearchException("Failed to create token stream");
}
}
}