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