/*
* Licensed to ElasticSearch and Shay Banon 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.facet.terms.support;
import org.apache.lucene.util.PriorityQueue;
import org.elasticsearch.search.facet.terms.TermsFacet;
import java.util.Comparator;
public class EntryPriorityQueue extends PriorityQueue<TermsFacet.Entry> {
public static final int LIMIT = 5000;
private final Comparator<TermsFacet.Entry> comparator;
public EntryPriorityQueue(int size, Comparator<TermsFacet.Entry> comparator) {
initialize(size);
this.comparator = comparator;
}
@Override
protected boolean lessThan(TermsFacet.Entry a, TermsFacet.Entry b) {
return comparator.compare(a, b) > 0; // reverse, since we reverse again when adding to a list
}
}