org.elasticsearch.search.controller.ScoreDocQueue 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.search.controller;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.util.PriorityQueue;
/**
* Same as lucene {@link org.apache.lucene.search.HitQueue}.
*/
public class ScoreDocQueue extends PriorityQueue {
public ScoreDocQueue(int size) {
super(size);
}
protected final boolean lessThan(ScoreDoc hitA, ScoreDoc hitB) {
if (hitA.score == hitB.score) {
int c = hitA.shardIndex - hitB.shardIndex;
if (c == 0) {
return hitA.doc > hitB.doc;
}
return c > 0;
} else {
return hitA.score < hitB.score;
}
}
}