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Java > Open Source Codes > net > sf > saxon > sort > Sortable


1 package net.sf.saxon.sort;
2
3
4
5 /**
6  * A Sortable is an object that can be sorted using the QuickSort method.
7  *
8  * @author Michael H. Kay
9  *
10  */
11
12 public interface Sortable {
13
14     /**
15     * Compare two objects within this Sortable, identified by their position.
16     * @return <0 if obj[a]<obj[b], 0 if obj[a]=obj[b], >0 if obj[a]>obj[b]
17     */
18
19     public int compare(int a, int b);
20
21     /**
22     * Swap two objects within this Sortable, identified by their position.
23     */
24
25     public void swap(int a, int b);
26
27 }
28
29
30 //
31 // The contents of this file are subject to the Mozilla Public License Version 1.0 (the "License");
32 // you may not use this file except in compliance with the License. You may obtain a copy of the
33 // License at http://www.mozilla.org/MPL/
34 //
35 // Software distributed under the License is distributed on an "AS IS" basis,
36 // WITHOUT WARRANTY OF ANY KIND, either express or implied.
37 // See the License for the specific language governing rights and limitations under the License.
38 //
39 // The Original Code is: all this file.
40 //
41 // The Initial Developer of the Original Code is Michael H. Kay
42 //
43 // Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
44 //
45 // Contributor(s): none
46 //
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