01: /*
02: * Copyright 1998-2001 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
10: *
11: * This code is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * version 2 for more details (a copy is included in the LICENSE file that
15: * accompanied this code).
16: *
17: * You should have received a copy of the GNU General Public License version
18: * 2 along with this work; if not, write to the Free Software Foundation,
19: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.tools.example.debug.tty;
27:
28: import com.sun.jdi.*;
29: import com.sun.jdi.request.*;
30:
31: class AccessWatchpointSpec extends WatchpointSpec {
32:
33: AccessWatchpointSpec(ReferenceTypeSpec refSpec, String fieldId)
34: throws MalformedMemberNameException {
35: super (refSpec, fieldId);
36: }
37:
38: /**
39: * The 'refType' is known to match, return the EventRequest.
40: */
41: EventRequest resolveEventRequest(ReferenceType refType)
42: throws NoSuchFieldException {
43: Field field = refType.fieldByName(fieldId);
44: EventRequestManager em = refType.virtualMachine()
45: .eventRequestManager();
46: EventRequest wp = em.createAccessWatchpointRequest(field);
47: wp.setSuspendPolicy(suspendPolicy);
48: wp.enable();
49: return wp;
50: }
51:
52: public String toString() {
53: return MessageOutput.format("watch accesses of", new Object[] {
54: refSpec.toString(), fieldId });
55: }
56: }
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