QueryCacheEntry.java

package uk.co.flax.luwak;
/*
 *   Copyright (c) 2015 Lemur Consulting Ltd.
 *
 *   Licensed 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.util.Map;

import org.apache.lucene.search.Query;
import org.apache.lucene.util.BytesRef;

/**
 * An entry in the query cache
 */
public class QueryCacheEntry {

    /** The (possibly partial due to decomposition) query */
    public final Query matchQuery;

    /** A hash value for lookups */
    public final BytesRef hash;

    /** The metadata from the entry's parent {@link MonitorQuery} */
    public final Map<String,String> metadata;

    public QueryCacheEntry(BytesRef hash, Query matchQuery, Map<String, String> metadata) {
        this.hash = hash;
        this.matchQuery = matchQuery;
        this.metadata = metadata;
    }
}