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Java > Open Source Codes > ch > ethz > inf > iks > jvmai > jvmdi > JoinPointLocation


1 //
2 // This file is part of the prose package.
3 //
4 // The contents of this file are subject to the Mozilla Public License
5 // Version 1.1 (the "License"); you may not use this file except in
6 // compliance with the License. You may obtain a copy of the License at
7 // http://www.mozilla.org/MPL/
8 //
9 // Software distributed under the License is distributed on an "AS IS" basis,
10 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 // for the specific language governing rights and limitations under the
12 // License.
13 //
14 // The Original Code is prose.
15 //
16 // The Initial Developer of the Original Code is Andrei Popovici. Portions
17 // created by Andrei Popovici are Copyright (C) 2002 Andrei Popovici.
18 // All Rights Reserved.
19 //
20 // Contributor(s):
21 // $Id: JoinPointLocation.java,v 1.1.1.1 2003/07/02 15:30:50 apopovic Exp $
22 // =====================================================================
23 //
24 // (history at end)
25 //
26
27 package ch.ethz.inf.iks.jvmai.jvmdi;
28
29 import java.lang.*;
30 import java.lang.reflect.Method JavaDoc;
31
32 /**
33  * Class JoinPointLocation denotes a code location: a method
34  * plus a bytecode index. A join-point location is usually
35  * owned by a JoinPointContext, which needs the location information
36  * to obtain information about local variables.
37  *
38  * @version $Revision: 1.1.1.1 $
39  * @author Andrei Popovici
40  */
41 class JoinPointLocation
42 {
43
44     protected Method JavaDoc executingMethod;
45     protected int executingBci;
46
47     public JoinPointLocation()
48     {
49     executingMethod = null;
50     executingBci = -1;
51     }
52
53
54     public boolean equals(Object JavaDoc other)
55     {
56     JoinPointLocation otherLocation = null;
57     if (other instanceof JoinPointLocation)
58         {
59         otherLocation = (JoinPointLocation)other;
60         return
61             executingMethod.equals(otherLocation.executingMethod) &&
62             executingBci == otherLocation.executingBci;
63         }
64     else
65         return false;
66     }
67
68     public int hashCode()
69     {
70     return executingMethod.hashCode() + executingBci;
71     }
72 }
73
74
75 //======================================================================
76 //
77 // $Log: JoinPointLocation.java,v $
78 // Revision 1.1.1.1 2003/07/02 15:30:50 apopovic
79 // Imported from ETH Zurich
80 //
81 // Revision 1.2 2003/03/04 16:09:36 popovici
82 // Documentation improvements
83 //
84 // Revision 1.1 2003/03/04 11:26:42 popovici
85 // Important refactorization step (march):
86 // - removal of 'JoinPointEvents'; JoinPoints now have the same function as events
87 // - reimplementation of the JVMAIDebuggerAspectInterface (better performance, coding conventions, removal of ProseVM
88 // structures
89 //
90
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