/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.lucene.search;
import org.apache.lucene.util.PriorityQueue;
final class PhraseQueue extends PriorityQueue<PhrasePositions> {
PhraseQueue(int size) {
super(size);
}
@Override
protected final boolean lessThan(PhrasePositions pp1, PhrasePositions pp2) {
if (pp1.position == pp2.position)
// same doc and pp.position, so decide by actual term positions.
// rely on: pp.position == tp.position - offset.
if (pp1.offset == pp2.offset) {
return pp1.ord < pp2.ord;
} else {
return pp1.offset < pp2.offset;
}
else {
return pp1.position < pp2.position;
}
}
}