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Java > Open Source Codes > org > aspectj > debugger > request > WatchRequest


1 /* -*- Mode: JDE; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * This file is part of the debugger and core tools for the AspectJ(tm)
4  * programming language; see http://aspectj.org
5  *
6  * The contents of this file are subject to the Mozilla Public License
7  * Version 1.1 (the "License"); you may not use this file except in
8  * compliance with the License. You may obtain a copy of the License at
9  * either http://www.mozilla.org/MPL/ or http://aspectj.org/MPL/.
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is AspectJ.
17  *
18  * The Initial Developer of the Original Code is Xerox Corporation. Portions
19  * created by Xerox Corporation are Copyright (C) 1999-2002 Xerox Corporation.
20  * All Rights Reserved.
21  */
22
23 package org.aspectj.debugger.request;
24
25 import org.aspectj.debugger.base.*;
26
27 import com.sun.jdi.*;
28 import com.sun.jdi.event.*;
29 import com.sun.jdi.request.*;
30 import java.util.*;
31
32 /**
33  * WatchRequest.java
34  *
35  *
36  * Created: Fri Aug 25 16:50:02 2000
37  *
38  * @author <a HREF="mailto:palm@parc.xerox.com"Jeffrey Palm</a>
39  */
40
41 public abstract class WatchRequest extends ClassAndFieldNeedingRequestAction {
42
43     public final static int ACCESS = 0x01;
44     public final static int ALL = 0x10;
45     
46     public WatchRequest(Debugger debugger, String JavaDoc className, String JavaDoc fieldName) {
47         super(debugger, className, fieldName);
48     }
49
50     EventRequest resolve(ReferenceType refType) throws MultipleLocationsException {
51         EventRequest request = null;
52         try {
53             if (refType.name().equals(className)) {
54                 if (getType() == ALL) {
55                     request = vm().eventRequestManager().createModificationWatchpointRequest(getField());
56                 } else {
57                     request = vm().eventRequestManager().createAccessWatchpointRequest(getField());
58                 }
59                 //request.addCountFilter(1);
60 request.enable();
61                 request.setSuspendPolicy(EventRequest.SUSPEND_ALL);
62             }
63         } catch (NoVMException e) {
64         } catch (DebuggerException de) {
65             //TODO deal with this!
66 }
67         return request;
68     }
69
70     abstract int getType();
71 }
72
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