Examples with Notification javax.management.Notification used on opensource projects

Example 21 with Notification

use of javax.management.Notification in project felix by apache.

the class DynamicMBeanImpl method sendNotification.

/**
 * Sends a notification to a subscriber.
 *
 * @param msg the msg to send
 * @param attributeName the name of the attribute
 * @param attributeType the type of the attribute
 * @param oldValue the old value of the attribute
 * @param newValue the new value of the attribute
 */
public void sendNotification(String msg, String attributeName, String attributeType, Object oldValue, Object newValue) {
    long timeStamp = System.currentTimeMillis();
    if ((newValue == null && oldValue == null) || (newValue != null && newValue.equals(oldValue))) {
        return;
    }
    m_sequenceNumber++;
    Notification notification = new AttributeChangeNotification(this, m_sequenceNumber, timeStamp, msg, attributeName, attributeType, oldValue, newValue);
    sendNotification(notification);
    m_instanceManager.getFactory().getLogger().log(Logger.INFO, "Notification sent");
}

Example 22 with Notification

use of javax.management.Notification in project felix by apache.

the class RemoteNotificationClientHandler method sendNotification.

private void sendNotification(TargetedNotification notification) {
    NotificationTuple tuple = null;
    synchronized (tuples) {
        tuple = (NotificationTuple) tuples.get(notification.getListenerID());
    }
    // It may be possible that a notification arrived after the client already removed the listener
    if (tuple == null)
        return;
    Notification notif = notification.getNotification();
    if (tuple.getInvokeFilter()) {
        // Invoke the filter on client side
        NotificationFilter filter = tuple.getNotificationFilter();
        RmiConnectorActivator.log(LogService.LOG_DEBUG, "Filtering notification " + notif + ", filter = " + filter, null);
        if (filter != null) {
            try {
                boolean deliver = filter.isNotificationEnabled(notif);
                if (!deliver)
                    return;
            } catch (RuntimeException x) {
                RmiConnectorActivator.log(LogService.LOG_WARNING, "RuntimeException caught from isNotificationEnabled, filter = " + filter, x);
            // And go on quietly
            }
        }
    }
    RmiConnectorActivator.log(LogService.LOG_DEBUG, "Sending Notification " + notif + ", listener info is " + tuple, null);
    NotificationListener listener = tuple.getNotificationListener();
    try {
        listener.handleNotification(notif, tuple.getHandback());
    } catch (RuntimeException x) {
        RmiConnectorActivator.log(LogService.LOG_WARNING, "RuntimeException caught from handleNotification, listener = " + listener, x);
    // And return quietly
    }
}

Example 23 with Notification

use of javax.management.Notification in project felix by apache.

the class UserManager method notifyUserAdminEvent.

// ///////PRIVATE METHODS//////////////////////////
private void notifyUserAdminEvent(UserAdminEvent event) {
    String typedesc = null;
    switch(event.getType()) {
        case UserAdminEvent.ROLE_CREATED:
            typedesc = "created";
            break;
        case UserAdminEvent.ROLE_CHANGED:
            typedesc = "changed";
            break;
        case UserAdminEvent.ROLE_REMOVED:
            typedesc = "removed";
            break;
    }
    try {
        ObjectName source = new ObjectName(ObjectNames.UA_SERVICE);
        String message = "User Admin event: Role " + event.getRole().getName() + typedesc;
        Notification notification = new Notification(AgentConstants.USER_ADMIN_NOTIFICATION_TYPE, source, sequenceNumber++, message);
        CompositeData userData = OSGi2JMXCodec.encodeUserAdminEvent(event);
        notification.setUserData(userData);
        sendNotification(notification);
    } catch (Exception e) {
        ac.error("Unexpected exception", e);
    }
}

Example 24 with Notification

use of javax.management.Notification in project jdk8u_jdk by JetBrains.

the class ResultLogManager method clearMemoryLog.

// Clear the memory log, sends a notification indicating that
// the memory log was cleared.
//
private void clearMemoryLog() throws IOException {
    synchronized (this) {
        memoryLog.clear();
        memCapacityReached = false;
    }
    sendNotification(new Notification(MEMORY_LOG_CLEARED, objectName, getNextSeqNumber(), "memory log cleared"));
}

Example 25 with Notification

use of javax.management.Notification in project jdk8u_jdk by JetBrains.

the class ServerNotifForwarder method snoopOnUnregister.

// The standard RMI connector client will register a listener on the MBeanServerDelegate
// in order to be told when MBeans are unregistered.  We snoop on fetched notifications
// so that we can know too, and remove the corresponding entry from the listenerMap.
// See 6957378.
private void snoopOnUnregister(NotificationResult nr) {
    List<IdAndFilter> copy = null;
    synchronized (listenerMap) {
        Set<IdAndFilter> delegateSet = listenerMap.get(MBeanServerDelegate.DELEGATE_NAME);
        if (delegateSet == null || delegateSet.isEmpty()) {
            return;
        }
        copy = new ArrayList<>(delegateSet);
    }
    for (TargetedNotification tn : nr.getTargetedNotifications()) {
        Integer id = tn.getListenerID();
        for (IdAndFilter idaf : copy) {
            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);
                    }
                }
            }
        }
    }
}