org.elasticsearch.index.cache.field.data.none.NoneFieldDataCache Maven / Gradle / Ivy
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/*
* 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.cache.field.data.none;
import org.apache.lucene.index.IndexReader;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.AbstractIndexComponent;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.cache.field.data.FieldDataCache;
import org.elasticsearch.index.field.data.FieldData;
import org.elasticsearch.index.field.data.FieldDataType;
import org.elasticsearch.index.settings.IndexSettings;
import java.io.IOException;
/**
* @author kimchy (shay.banon)
*/
public class NoneFieldDataCache extends AbstractIndexComponent implements FieldDataCache {
@Inject public NoneFieldDataCache(Index index, @IndexSettings Settings indexSettings) {
super(index, indexSettings);
logger.debug("Using no field cache");
}
@Override public FieldData cache(FieldDataType type, IndexReader reader, String fieldName) throws IOException {
return FieldData.load(type, reader, fieldName);
}
@Override public String type() {
return "none";
}
@Override public void clear() {
}
@Override public void clear(IndexReader reader) {
}
@Override public void clearUnreferenced() {
}
@Override public void close() throws ElasticSearchException {
}
}