Exemplo n.º 1
0
  public synchronized Collection<GarbageCollectorMXBean> getGarbageCollectorMXBeans()
      throws IOException {

    // TODO: How to deal with changes to the list??
    if (garbageCollectorMBeans == null) {
      ObjectName gcName = null;
      try {
        gcName = new ObjectName(GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",*");
      } catch (MalformedObjectNameException e) {
        // should not reach here
        assert (false);
      }
      Set<ObjectName> mbeans = server.queryNames(gcName, null);
      if (mbeans != null) {
        garbageCollectorMBeans = new ArrayList<GarbageCollectorMXBean>();
        Iterator<ObjectName> iterator = mbeans.iterator();
        while (iterator.hasNext()) {
          ObjectName on = (ObjectName) iterator.next();
          String name = GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE + ",name=" + on.getKeyProperty("name");

          GarbageCollectorMXBean mBean =
              newPlatformMXBeanProxy(server, name, GarbageCollectorMXBean.class);
          garbageCollectorMBeans.add(mBean);
        }
      }
    }
    return garbageCollectorMBeans;
  }
 private static void checkPlatformMBeans() throws Exception {
   MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
   Set<ObjectName> mbeanNames = mbs.queryNames(null, null);
   for (ObjectName name : mbeanNames) {
     if (!mbs.isInstanceOf(name, NotificationBroadcaster.class.getName())) {
       System.out.println(name + ": not a NotificationBroadcaster");
     } else {
       MBeanInfo mbi = mbs.getMBeanInfo(name);
       check(name.toString(), mbi.getNotifications());
     }
   }
 }
Exemplo n.º 3
0
 public <T> T getMXBean(ObjectName objName, Class<T> interfaceClass) throws IOException {
   return newPlatformMXBeanProxy(server, objName.toString(), interfaceClass);
 }