ServerNotifForwarder.java 文件源码

private void snoopOnUnregister(NotificationResult nr) {
    Set<IdAndFilter> delegateSet = listenerMap.get(MBeanServerDelegate.DELEGATE_NAME);
    if (delegateSet == null || delegateSet.isEmpty()) {
        return;
    }
    for (TargetedNotification tn : nr.getTargetedNotifications()) {
        Integer id = tn.getListenerID();
        for (IdAndFilter idaf : delegateSet) {
            if (idaf.id == id) {
                // This is a notification from the MBeanServerDelegate.
                Notification n = tn.getNotification();
                if (n instanceof MBeanServerNotification &&
                        n.getType().equals(MBeanServerNotification.UNREGISTRATION_NOTIFICATION)) {
                    MBeanServerNotification mbsn = (MBeanServerNotification) n;
                    ObjectName gone = mbsn.getMBeanName();
                    synchronized (listenerMap) {
                        listenerMap.remove(gone);
                    }
                }
            }
        }
    }
}