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comparison agent/src/share/classes/sun/jvm/hotspot/jdi/ThreadGroupReferenceImpl.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.jdi;
26
27 import sun.jvm.hotspot.oops.Oop;
28 import sun.jvm.hotspot.oops.Instance;
29 import sun.jvm.hotspot.oops.OopUtilities;
30 import sun.jvm.hotspot.runtime.JavaThread;
31 import com.sun.jdi.*;
32 import java.util.*;
33
34 public class ThreadGroupReferenceImpl extends ObjectReferenceImpl
35 implements ThreadGroupReference
36 {
37 ThreadGroupReferenceImpl(VirtualMachine aVm, sun.jvm.hotspot.oops.Oop oRef) {
38 super(aVm, oRef);
39 }
40
41 protected String description() {
42 return "ThreadGroupReference " + uniqueID();
43 }
44
45 public String name() {
46 return OopUtilities.threadGroupOopGetName(ref());
47 }
48
49 public ThreadGroupReference parent() {
50 return (ThreadGroupReferenceImpl)vm.threadGroupMirror(
51 (Instance)OopUtilities.threadGroupOopGetParent(ref()));
52 }
53
54 public void suspend() {
55 vm.throwNotReadOnlyException("ThreadGroupReference.suspend()");
56 }
57
58 public void resume() {
59 vm.throwNotReadOnlyException("ThreadGroupReference.resume()");
60 }
61
62 public List threads() {
63 // Each element of this array is the Oop for a thread;
64 // NOTE it is not the JavaThread that we need to create
65 // a ThreadReferenceImpl.
66 Oop[] myThreads = OopUtilities.threadGroupOopGetThreads(ref());
67
68 ArrayList myList = new ArrayList(myThreads.length);
69 for (int ii = 0; ii < myThreads.length; ii++) {
70 JavaThread jt = OopUtilities.threadOopGetJavaThread(myThreads[ii]);
71 if (jt != null) {
72 ThreadReferenceImpl xx = (ThreadReferenceImpl)vm.threadMirror(jt);
73 myList.add(xx);
74 }
75 }
76 return myList;
77 }
78
79 public List threadGroups() {
80 Oop[] myGroups = OopUtilities.threadGroupOopGetGroups(ref());
81 ArrayList myList = new ArrayList(myGroups.length);
82 for (int ii = 0; ii < myGroups.length; ii++) {
83 ThreadGroupReferenceImpl xx = (ThreadGroupReferenceImpl)vm.threadGroupMirror(
84 (Instance)myGroups[ii]);
85 myList.add(xx);
86
87 }
88 return myList;
89 }
90
91 public String toString() {
92 return "instance of " + referenceType().name() +
93 "(name='" + name() + "', " + "id=" + uniqueID() + ")";
94 }
95 }