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Java > Open Source Codes > soot > jimple > toolkits > annotation > arraycheck > WeightedDirectedEdge


1 /* Soot - a J*va Optimization Framework
2  * Copyright (C) 2000 Feng Qian
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 /*
21  * Modified by the Sable Research Group and others 1997-1999.
22  * See the 'credits' file distributed with Soot for the complete list of
23  * contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
24  */
25
26 package soot.jimple.toolkits.annotation.arraycheck;
27
28 class WeightedDirectedEdge {
29     Object JavaDoc from, to;
30     int weight;
31     public WeightedDirectedEdge(Object JavaDoc from, Object JavaDoc to, int weight)
32     {
33     this.from = from;
34     this.to = to;
35     this.weight = weight;
36     }
37
38     public int hashCode()
39     {
40     return from.hashCode()+to.hashCode()+weight;
41     }
42
43     public boolean equals(Object JavaDoc other)
44     {
45     if (other instanceof WeightedDirectedEdge)
46     {
47         WeightedDirectedEdge another = (WeightedDirectedEdge)other;
48         return ( (this.from == another.from)
49            &&(this.to == another.to)
50            &&(this.weight==another.weight) );
51     }
52     return false;
53     }
54     
55     public String JavaDoc toString()
56     {
57     return from+"->"+to+"="+weight;
58     }
59 }
60
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