Examples with MonitorNotification javax.management.monitor.MonitorNotification used on opensource projects

Example 6 with MonitorNotification

use of javax.management.monitor.MonitorNotification in project jdk8u_jdk by JetBrains.

the class ReflectionExceptionTest method handleNotification.

// Notification handler
public void handleNotification(Notification notification, Object handback) {
    echo(">>> Received notification: " + notification);
    if (notification instanceof MonitorNotification) {
        String type = notification.getType();
        if (type.equals(MonitorNotification.RUNTIME_ERROR)) {
            MonitorNotification mn = (MonitorNotification) notification;
            echo("\tType: " + mn.getType());
            echo("\tTimeStamp: " + mn.getTimeStamp());
            echo("\tObservedObject: " + mn.getObservedObject());
            echo("\tObservedAttribute: " + mn.getObservedAttribute());
            echo("\tDerivedGauge: " + mn.getDerivedGauge());
            echo("\tTrigger: " + mn.getTrigger());
            synchronized (this) {
                messageReceived = true;
                notifyAll();
            }
        }
    }
}

Example 7 with MonitorNotification

use of javax.management.monitor.MonitorNotification in project jdk8u_jdk by JetBrains.

the class RuntimeExceptionTest method handleNotification.

// Notification handler
public void handleNotification(Notification notification, Object handback) {
    echo(">>> Received notification: " + notification);
    if (notification instanceof MonitorNotification) {
        String type = notification.getType();
        if (type.equals(MonitorNotification.RUNTIME_ERROR)) {
            MonitorNotification mn = (MonitorNotification) notification;
            echo("\tType: " + mn.getType());
            echo("\tTimeStamp: " + mn.getTimeStamp());
            echo("\tObservedObject: " + mn.getObservedObject());
            echo("\tObservedAttribute: " + mn.getObservedAttribute());
            echo("\tDerivedGauge: " + mn.getDerivedGauge());
            echo("\tTrigger: " + mn.getTrigger());
            synchronized (this) {
                messageReceived = true;
                notifyAll();
            }
        }
    }
}

Example 8 with MonitorNotification

use of javax.management.monitor.MonitorNotification in project jdk8u_jdk by JetBrains.

the class CounterMonitor method buildAlarmNotification.

@Override
synchronized MonitorNotification buildAlarmNotification(ObjectName object, String attribute, Comparable<?> value) {
    final CounterMonitorObservedObject o = (CounterMonitorObservedObject) getObservedObject(object);
    if (o == null)
        return null;
    // Notify the listeners and update the threshold if
    // the updated derived gauge value is valid.
    //
    final MonitorNotification alarm;
    if (o.getDerivedGaugeValid()) {
        alarm = updateNotifications(o);
        updateThreshold(o);
    } else {
        alarm = null;
    }
    return alarm;
}

Example 9 with MonitorNotification

use of javax.management.monitor.MonitorNotification in project jdk8u_jdk by JetBrains.

the class CounterMonitor method updateNotifications.

/**
     * Updates the notification attribute of the observed object
     * and notifies the listeners only once if the notify flag
     * is set to <CODE>true</CODE>.
     * @param o The observed object.
     */
private synchronized MonitorNotification updateNotifications(CounterMonitorObservedObject o) {
    MonitorNotification n = null;
    //
    if (!o.getEventAlreadyNotified()) {
        if (((Number) o.getDerivedGauge()).longValue() >= o.getThreshold().longValue()) {
            if (notify) {
                n = new MonitorNotification(THRESHOLD_VALUE_EXCEEDED, this, 0, 0, "", null, null, null, o.getThreshold());
            }
            if (!differenceMode) {
                o.setEventAlreadyNotified(true);
            }
        }
    } else {
        if (MONITOR_LOGGER.isLoggable(Level.FINER)) {
            final StringBuilder strb = new StringBuilder().append("The notification:").append("\n\tNotification observed object = ").append(o.getObservedObject()).append("\n\tNotification observed attribute = ").append(getObservedAttribute()).append("\n\tNotification threshold level = ").append(o.getThreshold()).append("\n\tNotification derived gauge = ").append(o.getDerivedGauge()).append("\nhas already been sent");
            MONITOR_LOGGER.logp(Level.FINER, CounterMonitor.class.getName(), "updateNotifications", strb.toString());
        }
    }
    return n;
}

Example 10 with MonitorNotification

use of javax.management.monitor.MonitorNotification in project jdk8u_jdk by JetBrains.

the class Monitor method sendNotification.

/*
     * ------------------------------------------
     *  PRIVATE METHODS
     * ------------------------------------------
     */
/**
     * This method is used by the monitor MBean to create and send a
     * monitor notification to all the listeners registered for this
     * kind of notification.
     *
     * @param type The notification type.
     * @param timeStamp The notification emission date.
     * @param msg The notification message.
     * @param derGauge The derived gauge.
     * @param trigger The threshold/string (depending on the monitor
     * type) that triggered off the notification.
     * @param object The ObjectName of the observed object that triggered
     * off the notification.
     * @param onError Flag indicating if this monitor notification is
     * an error notification or an alarm notification.
     */
private void sendNotification(String type, long timeStamp, String msg, Object derGauge, Object trigger, ObjectName object, boolean onError) {
    if (!isActive())
        return;
    if (MONITOR_LOGGER.isLoggable(Level.FINER)) {
        MONITOR_LOGGER.logp(Level.FINER, Monitor.class.getName(), "sendNotification", "send notification: " + "\n\tNotification observed object = " + object + "\n\tNotification observed attribute = " + observedAttribute + "\n\tNotification derived gauge = " + derGauge);
    }
    long seqno = sequenceNumber.getAndIncrement();
    MonitorNotification mn = new MonitorNotification(type, this, seqno, timeStamp, msg, object, observedAttribute, derGauge, trigger);
    if (onError)
        onErrorNotification(mn);
    sendNotification(mn);
}