org.opensearch.index.cache.query.IndexQueryCache Maven / Gradle / Ivy
/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* 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.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.index.cache.query;
import org.apache.lucene.search.QueryCachingPolicy;
import org.apache.lucene.search.Weight;
import org.opensearch.OpenSearchException;
import org.opensearch.index.AbstractIndexComponent;
import org.opensearch.index.IndexSettings;
import org.opensearch.indices.IndicesQueryCache;
/**
* The index-level query cache. This class mostly delegates to the node-level
* query cache: {@link IndicesQueryCache}.
*/
public class IndexQueryCache extends AbstractIndexComponent implements QueryCache {
final IndicesQueryCache indicesQueryCache;
public IndexQueryCache(IndexSettings indexSettings, IndicesQueryCache indicesQueryCache) {
super(indexSettings);
this.indicesQueryCache = indicesQueryCache;
}
@Override
public void close() throws OpenSearchException {
clear("close");
}
@Override
public void clear(String reason) {
logger.debug("full cache clear, reason [{}]", reason);
indicesQueryCache.clearIndex(index().getName());
}
@Override
public Weight doCache(Weight weight, QueryCachingPolicy policy) {
return indicesQueryCache.doCache(weight, policy);
}
}