java/10 : java.management/javax/management/monitor/MonitorNotification.java

MonitorNotification
https://openjdk.java.net/
GPLv2 + Classpath Exception
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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package javax.management.monitor;


// jmx imports
//
import javax.management.ObjectName;

Provides definitions of the notifications sent by monitor MBeans.

The notification source and a set of parameters concerning the monitor MBean's state
need to be specified when creating a new object of this class.
The list of notifications fired by the monitor MBeans is the following:

Common to all kind of monitors:
    
    The observed object is not registered in the MBean server.
    
The observed attribute is not contained in the observed object.
    
The type of the observed attribute is not correct.
    
Any exception (except the cases described above) occurs when trying to get the value of the observed attribute.
    
Common to the counter and the gauge monitors:
    
    The threshold high or threshold low are not of the same type as the gauge (gauge monitors).
    
The threshold or the offset or the modulus are not of the same type as the counter (counter monitors).
    
Counter monitors only:
    
    The observed attribute has reached the threshold value.
    
Gauge monitors only:
    
    The observed attribute has exceeded the threshold high value.
    
The observed attribute has exceeded the threshold low value.
    
String monitors only:
    
    The observed attribute has matched the "string to compare" value.
    
The observed attribute has differed from the "string to compare" value.
    

Since: 1.5/**
 * Provides definitions of the notifications sent by monitor MBeans.
 * <P>
 * The notification source and a set of parameters concerning the monitor MBean's state
 * need to be specified when creating a new object of this class.
 *
 * The list of notifications fired by the monitor MBeans is the following:
 *
 * <UL>
 * <LI>Common to all kind of monitors:
 *     <UL>
 *     <LI>The observed object is not registered in the MBean server.
 *     <LI>The observed attribute is not contained in the observed object.
 *     <LI>The type of the observed attribute is not correct.
 *     <LI>Any exception (except the cases described above) occurs when trying to get the value of the observed attribute.
 *     </UL>
 * <LI>Common to the counter and the gauge monitors:
 *     <UL>
 *     <LI>The threshold high or threshold low are not of the same type as the gauge (gauge monitors).
 *     <LI>The threshold or the offset or the modulus are not of the same type as the counter (counter monitors).
 *     </UL>
 * <LI>Counter monitors only:
 *     <UL>
 *     <LI>The observed attribute has reached the threshold value.
 *     </UL>
 * <LI>Gauge monitors only:
 *     <UL>
 *     <LI>The observed attribute has exceeded the threshold high value.
 *     <LI>The observed attribute has exceeded the threshold low value.
 *     </UL>
 * <LI>String monitors only:
 *     <UL>
 *     <LI>The observed attribute has matched the "string to compare" value.
 *     <LI>The observed attribute has differed from the "string to compare" value.
 *     </UL>
 * </UL>
 *
 *
 * @since 1.5
 */
public class MonitorNotification extends javax.management.Notification {


    /*
     * ------------------------------------------
     *  PUBLIC VARIABLES
     * ------------------------------------------
     */

    Notification type denoting that the observed object is not registered in the MBean server.
This notification is fired by all kinds of monitors.

The value of this notification type is jmx.monitor.error.mbean.
/**
     * Notification type denoting that the observed object is not registered in the MBean server.
     * This notification is fired by all kinds of monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.error.mbean</CODE>.
     */
    public static final String OBSERVED_OBJECT_ERROR = "jmx.monitor.error.mbean";

    Notification type denoting that the observed attribute is not contained in the observed object.
This notification is fired by all kinds of monitors.

The value of this notification type is jmx.monitor.error.attribute.
/**
     * Notification type denoting that the observed attribute is not contained in the observed object.
     * This notification is fired by all kinds of monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.error.attribute</CODE>.
     */
    public static final String OBSERVED_ATTRIBUTE_ERROR = "jmx.monitor.error.attribute";

    Notification type denoting that the type of the observed attribute is not correct.
This notification is fired by all kinds of monitors.

The value of this notification type is jmx.monitor.error.type.
/**
     * Notification type denoting that the type of the observed attribute is not correct.
     * This notification is fired by all kinds of monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.error.type</CODE>.
     */
    public static final String OBSERVED_ATTRIBUTE_TYPE_ERROR = "jmx.monitor.error.type";

    Notification type denoting that the type of the thresholds, offset or modulus is not correct.
This notification is fired by counter and gauge monitors.

The value of this notification type is jmx.monitor.error.threshold.
/**
     * Notification type denoting that the type of the thresholds, offset or modulus is not correct.
     * This notification is fired by counter and gauge monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.error.threshold</CODE>.
     */
    public static final String THRESHOLD_ERROR = "jmx.monitor.error.threshold";

    Notification type denoting that a non-predefined error type has occurred when trying to get the value of the observed attribute.
This notification is fired by all kinds of monitors.

The value of this notification type is jmx.monitor.error.runtime.
/**
     * Notification type denoting that a non-predefined error type has occurred when trying to get the value of the observed attribute.
     * This notification is fired by all kinds of monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.error.runtime</CODE>.
     */
    public static final String RUNTIME_ERROR = "jmx.monitor.error.runtime";

    Notification type denoting that the observed attribute has reached the threshold value.
This notification is only fired by counter monitors.

The value of this notification type is jmx.monitor.counter.threshold.
/**
     * Notification type denoting that the observed attribute has reached the threshold value.
     * This notification is only fired by counter monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.counter.threshold</CODE>.
     */
    public static final String THRESHOLD_VALUE_EXCEEDED = "jmx.monitor.counter.threshold";

    Notification type denoting that the observed attribute has exceeded the threshold high value.
This notification is only fired by gauge monitors.

The value of this notification type is jmx.monitor.gauge.high.
/**
     * Notification type denoting that the observed attribute has exceeded the threshold high value.
     * This notification is only fired by gauge monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.gauge.high</CODE>.
     */
    public static final String THRESHOLD_HIGH_VALUE_EXCEEDED = "jmx.monitor.gauge.high";

    Notification type denoting that the observed attribute has exceeded the threshold low value.
This notification is only fired by gauge monitors.

The value of this notification type is jmx.monitor.gauge.low.
/**
     * Notification type denoting that the observed attribute has exceeded the threshold low value.
     * This notification is only fired by gauge monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.gauge.low</CODE>.
     */
    public static final String THRESHOLD_LOW_VALUE_EXCEEDED = "jmx.monitor.gauge.low";

    Notification type denoting that the observed attribute has matched the "string to compare" value.
This notification is only fired by string monitors.

The value of this notification type is jmx.monitor.string.matches.
/**
     * Notification type denoting that the observed attribute has matched the "string to compare" value.
     * This notification is only fired by string monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.string.matches</CODE>.
     */
    public static final String STRING_TO_COMPARE_VALUE_MATCHED = "jmx.monitor.string.matches";

    Notification type denoting that the observed attribute has differed from the "string to compare" value.
This notification is only fired by string monitors.

The value of this notification type is jmx.monitor.string.differs.
/**
     * Notification type denoting that the observed attribute has differed from the "string to compare" value.
     * This notification is only fired by string monitors.
     * <BR>The value of this notification type is <CODE>jmx.monitor.string.differs</CODE>.
     */
    public static final String STRING_TO_COMPARE_VALUE_DIFFERED = "jmx.monitor.string.differs";


    /*
     * ------------------------------------------
     *  PRIVATE VARIABLES
     * ------------------------------------------
     */

    /* Serial version */
    private static final long serialVersionUID = -4608189663661929204L;

    @serial Monitor notification observed object./**
     * @serial Monitor notification observed object.
     */
    private ObjectName observedObject = null;

    @serial Monitor notification observed attribute./**
     * @serial Monitor notification observed attribute.
     */
    private String observedAttribute = null;

    @serial Monitor notification derived gauge./**
     * @serial Monitor notification derived gauge.
     */
    private Object derivedGauge = null;

    @serial Monitor notification release mechanism.
        This value is used to keep the threshold/string (depending on the
        monitor type) that triggered off this notification./**
     * @serial Monitor notification release mechanism.
     *         This value is used to keep the threshold/string (depending on the
     *         monitor type) that triggered off this notification.
     */
    private Object trigger = null;


    /*
     * ------------------------------------------
     *  CONSTRUCTORS
     * ------------------------------------------
     */

    Creates a monitor notification object.
Params: type – The notification type.
source – The notification producer.
sequenceNumber – The notification sequence number within the source object.
timeStamp – The notification emission date.
msg – The notification message.
obsObj – The object observed by the producer of this notification.
obsAtt – The attribute observed by the producer of this notification.
derGauge – The derived gauge.
trigger – The threshold/string (depending on the monitor type) that triggered the notification./**
     * Creates a monitor notification object.
     *
     * @param type The notification type.
     * @param source The notification producer.
     * @param sequenceNumber The notification sequence number within the source object.
     * @param timeStamp The notification emission date.
     * @param msg The notification message.
     * @param obsObj The object observed by the producer of this notification.
     * @param obsAtt The attribute observed by the producer of this notification.
     * @param derGauge The derived gauge.
     * @param trigger The threshold/string (depending on the monitor type) that triggered the notification.
     */
    MonitorNotification(String type, Object source, long sequenceNumber, long timeStamp, String msg,
                               ObjectName obsObj, String obsAtt, Object derGauge, Object trigger) {

        super(type, source, sequenceNumber, timeStamp, msg);
        this.observedObject = obsObj;
        this.observedAttribute = obsAtt;
        this.derivedGauge = derGauge;
        this.trigger = trigger;
    }

    /*
     * ------------------------------------------
     *  PUBLIC METHODS
     * ------------------------------------------
     */

    // GETTERS AND SETTERS
    //--------------------

    Gets the observed object of this monitor notification.
Returns: The observed object./**
     * Gets the observed object of this monitor notification.
     *
     * @return The observed object.
     */
    public ObjectName getObservedObject() {
        return observedObject;
    }

    Gets the observed attribute of this monitor notification.
Returns: The observed attribute./**
     * Gets the observed attribute of this monitor notification.
     *
     * @return The observed attribute.
     */
    public String getObservedAttribute() {
        return observedAttribute;
    }

    Gets the derived gauge of this monitor notification.
Returns: The derived gauge./**
     * Gets the derived gauge of this monitor notification.
     *
     * @return The derived gauge.
     */
    public Object getDerivedGauge() {
        return derivedGauge;
    }

    Gets the threshold/string (depending on the monitor type) that triggered off this monitor notification.
Returns: The trigger./**
     * Gets the threshold/string (depending on the monitor type) that triggered off this monitor notification.
     *
     * @return The trigger.
     */
    public Object getTrigger() {
        return trigger;
    }

}
/

java/ 10/ java.management/javax/management/monitor/MonitorNotification.java
