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Java > Open Source Codes > com > sun > tools > example > debug > tty > ModificationWatchpointSpec


1 /*
2  * @(#)ModificationWatchpointSpec.java 1.17 05/11/17
3  *
4  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
5  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6  */
7 /*
8  * Copyright (c) 1997-1999 by Sun Microsystems, Inc. All Rights Reserved.
9  *
10  * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
11  * modify and redistribute this software in source and binary code form,
12  * provided that i) this copyright notice and license appear on all copies of
13  * the software; and ii) Licensee does not utilize the software in a manner
14  * which is disparaging to Sun.
15  *
16  * This software is provided "AS IS," without a warranty of any kind. ALL
17  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
18  * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
19  * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
20  * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
21  * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
22  * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
23  * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
24  * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
25  * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGES.
27  *
28  * This software is not designed or intended for use in on-line control of
29  * aircraft, air traffic, aircraft navigation or aircraft communications; or in
30  * the design, construction, operation or maintenance of any nuclear
31  * facility. Licensee represents and warrants that it will not use or
32  * redistribute the Software for such purposes.
33  */
34
35 package com.sun.tools.example.debug.tty;
36
37 import com.sun.jdi.*;
38 import com.sun.jdi.request.EventRequestManager;
39 import com.sun.jdi.request.EventRequest;
40
41 class ModificationWatchpointSpec extends WatchpointSpec {
42     ModificationWatchpointSpec(ReferenceTypeSpec refSpec, String JavaDoc fieldId)
43                                   throws MalformedMemberNameException {
44         super(refSpec, fieldId);
45     }
46
47     /**
48      * The 'refType' is known to match, return the EventRequest.
49      */
50     EventRequest resolveEventRequest(ReferenceType refType)
51                                       throws NoSuchFieldException JavaDoc {
52         Field field = refType.fieldByName(fieldId);
53         EventRequestManager em = refType.virtualMachine().eventRequestManager();
54         EventRequest wp = em.createModificationWatchpointRequest(field);
55         wp.setSuspendPolicy(suspendPolicy);
56         wp.enable();
57         return wp;
58     }
59
60     public String JavaDoc toString() {
61         return MessageOutput.format("watch modification of",
62                                     new Object JavaDoc [] {refSpec.toString(),
63                                                    fieldId});
64     }
65 }
66
67
68
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