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package org.apache.lucene.search;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import org.apache.lucene.util.PriorityQueue;
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final class PhraseQueue extends PriorityQueue<PhrasePositions> {
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PhraseQueue(int size) {
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protected final boolean lessThan(PhrasePositions pp1, PhrasePositions pp2) {
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if (pp1.doc == pp2.doc)
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if (pp1.position == pp2.position)
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// same doc and pp.position, so decide by actual term positions.
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// rely on: pp.position == tp.position - offset.
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if (pp1.offset == pp2.offset) {
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return pp1.ord < pp2.ord;
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return pp1.offset < pp2.offset;
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return pp1.position < pp2.position;
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return pp1.doc < pp2.doc;