KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > ch > ethz > prose > filter > ExecutionsAtMethodEntry


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: ExecutionsAtMethodEntry.java,v 1.1.1.1 2003/07/02 15:30:52 apopovic Exp $
22 // =====================================================================
23 //
24 // (history at end)
25 //
26
27 package ch.ethz.prose.filter;
28
29 // used packages
30 import java.util.*;
31 import java.io.*;
32 import ch.ethz.jvmai.JoinPoint;
33 import ch.ethz.jvmai.CodeJoinPoint;
34 import ch.ethz.jvmai.JoinPointKinds;
35 import ch.ethz.prose.engine.JoinPointRequest;
36
37 /**
38  * Class ExecutionsAtMethodEntry XXX
39  *
40  * @version $Revision: 1.1.1.1 $
41  * @author Andrei Popovici
42  */
43 public
44 class ExecutionsAtMethodEntry extends PointCutter implements JoinPointKinds{
45
46   /**
47    * XXX
48    * @param XXX XXX
49    */
50   public ExecutionsAtMethodEntry(int fMask)
51   {
52     acceptMask = MASK_METHOD_ENTRY_JP | MASK_METHOD_EXIT_JP;
53     mayFilterStaticallyMask = MASK_METHOD_ENTRY_JP | MASK_METHOD_EXIT_JP;
54     canFilterStaticallyMask = MASK_METHOD_ENTRY_JP | MASK_METHOD_EXIT_JP;
55     this.filterMask = fMask;
56   }
57
58   int filterMask;
59
60   public boolean doIsSpecialRequest(JoinPointRequest jpr)
61     {
62       // System.err.println("filterMask:" + filterMask);
63 //System.err.println("jpr.getMask:" + jpr.getMask() );
64 //
65 return (filterMask & acceptMask & jpr.getMask()) == filterMask;
66     }
67
68   public boolean doIsSpecialEvent(CodeJoinPoint cjp)
69     {
70       throw new Error JavaDoc("Execution not allowed");
71     }
72 }
73
74
75 //======================================================================
76 //
77 // $Log: ExecutionsAtMethodEntry.java,v $
78 // Revision 1.1.1.1 2003/07/02 15:30:52 apopovic
79 // Imported from ETH Zurich
80 //
81 // Revision 1.2 2003/05/06 15:51:37 popovici
82 // Mozilla-ification
83 //
84 // Revision 1.1 2003/05/05 13:58:04 popovici
85 // renaming from runes to prose
86 //
87 // Revision 1.3 2003/04/27 13:08:48 popovici
88 // Specializers renamed to PointCutter
89 //
90 // Revision 1.2 2003/04/17 12:49:36 popovici
91 // Refactoring of the crosscut package
92 // ExceptionCut renamed to ThrowCut
93 // McutSignature is now SignaturePattern
94 //
95 // Revision 1.1 2003/04/17 08:47:41 popovici
96 // Important functionality additions
97 // - Cflow specializers
98 // - Restructuring of the MethodCut, SetCut, ThrowCut, and GetCut (they are much smaller)
99 // - Transactional capabilities
100 // - Total refactoring of Specializer evaluation, which permits fine-grained distinction
101 // between static and dynamic specializers.
102 // - Functionality pulled up in abstract classes
103 // - Uniformization of advice methods patterns and names
104 //
105
Popular Tags