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Java > Open Source Codes > org > apache > lucene > search > PhraseQueue


1 package org.apache.lucene.search;
2
3 /**
4  * Copyright 2004 The Apache Software Foundation
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18
19 import org.apache.lucene.util.PriorityQueue;
20
21 final class PhraseQueue extends PriorityQueue {
22   PhraseQueue(int size) {
23     initialize(size);
24   }
25
26   protected final boolean lessThan(Object JavaDoc o1, Object JavaDoc o2) {
27     PhrasePositions pp1 = (PhrasePositions)o1;
28     PhrasePositions pp2 = (PhrasePositions)o2;
29     if (pp1.doc == pp2.doc)
30       return pp1.position < pp2.position;
31     else
32       return pp1.doc < pp2.doc;
33   }
34 }
35
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