1 /* |
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2 * Copyright 2008 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 * @test SubUnsubTest |
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26 * @bug 6736611 |
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27 * @summary Test not to remove other listeners when calling unsubscribe |
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28 * @author Shanliang JIANG |
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29 * @run clean SubUnsubTest |
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30 * @run build SubUnsubTest |
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31 * @run main SubUnsubTest |
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32 */ |
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33 |
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34 import java.lang.management.ManagementFactory; |
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35 import javax.management.MBeanServer; |
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36 import javax.management.Notification; |
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37 import javax.management.NotificationFilter; |
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38 import javax.management.NotificationBroadcasterSupport; |
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39 import javax.management.NotificationListener; |
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40 import javax.management.ObjectName; |
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41 import javax.management.event.EventSubscriber; |
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42 import javax.management.event.EventClient; |
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43 public class SubUnsubTest { |
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44 private static class CountListener implements NotificationListener { |
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45 volatile int count; |
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46 |
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47 public void handleNotification(Notification n, Object h) { |
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48 count++; |
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49 } |
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50 } |
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51 |
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52 public static interface SenderMBean {} |
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53 |
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54 public static class Sender extends NotificationBroadcasterSupport |
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55 implements SenderMBean { |
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56 void send() { |
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57 Notification n = new Notification("type", this, 1L); |
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58 sendNotification(n); |
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59 } |
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60 } |
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61 |
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62 public static void main(String[] args) throws Exception { |
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63 System.out.println("Testing EventSubscriber-unsubscribe method."); |
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64 |
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65 MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); |
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66 ObjectName name1 = new ObjectName("d:type=Sender,id=1"); |
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67 ObjectName name2 = new ObjectName("d:type=Sender,id=2"); |
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68 ObjectName pattern = new ObjectName("d:type=Sender,*"); |
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69 Sender sender1 = new Sender(); |
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70 Sender sender2 = new Sender(); |
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71 mbs.registerMBean(sender1, name1); |
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72 mbs.registerMBean(sender2, name2); |
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73 |
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74 EventSubscriber sub = EventSubscriber.getEventSubscriber(mbs); |
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75 |
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76 System.out.println("Single subscribe covering both MBeans"); |
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77 CountListener listener = new CountListener(); |
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78 |
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79 System.out.println("Subscribing and adding listeners ..."); |
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80 sub.subscribe(pattern, listener, null, null); |
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81 sub.subscribe(name2, listener, null, null); |
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82 mbs.addNotificationListener(name2, listener, null, null); |
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83 |
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84 sender1.send(); |
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85 sender2.send(); |
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86 if (listener.count != 4) { |
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87 throw new RuntimeException("Do not receive all notifications: "+ |
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88 "Expect 4, got "+listener.count); |
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89 } |
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90 |
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91 System.out.println("Unsubscribe the listener with the pattern."); |
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92 sub.unsubscribe(pattern, listener); |
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93 listener.count = 0; |
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94 sender1.send(); |
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95 sender2.send(); |
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96 if (listener.count != 2) { |
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97 throw new RuntimeException("The method unsubscribe removes wrong listeners."); |
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98 } |
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99 |
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100 System.out.println("Unsubscribe the listener with the ObjectName."); |
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101 sub.unsubscribe(name2, listener); |
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102 listener.count = 0; |
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103 sender1.send(); |
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104 sender2.send(); |
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105 if (listener.count != 1) { |
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106 throw new RuntimeException("The method unsubscribe removes wrong listeners."); |
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107 } |
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108 |
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109 System.out.println("Subscribe twice to same MBean with same listener " + |
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110 "but different handback."); |
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111 sub.subscribe(name1, listener, null, new Object()); |
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112 sub.subscribe(name1, listener, null, new Object()); |
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113 listener.count = 0; |
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114 |
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115 sub.unsubscribe(name1, listener); |
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116 sender1.send(); |
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117 if (listener.count > 0) { |
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118 throw new RuntimeException("EventSubscriber: the method unsubscribe" + |
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119 " does not remove a listener which was subscribed 2 times."); |
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120 } |
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121 |
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122 System.out.println("Bye bye!"); |
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123 return; |
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124 } |
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125 } |
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