Examples of javax.management.AttributeChangeNotification

javax.management.AttributeChangeNotification
This is the mandated object for sending notifications of attribute changes. The MBean may also send other types of notifications. The MBean must implement the {@link javax.management.NotificationBroadcaster} interface to sendthis notification.
The following information is provided in addition to the that provided by {@link javax.management.Notification Notification}. The attribute's {@link #getAttributeName() name}, {@link #getAttributeType() type}, {@link #getOldValue() old value} and{@link #getNewValue() new value}.
The notification type is "jmx.attribute.change", defined in the static string {@link #ATTRIBUTE_CHANGE}. @see javax.management.AttributeChangeNotificationFilter @author Adrian Brock. @version $Revision: 1.3 $
Revisions:
20020710 Adrian Brock:
- Serialization

        if (state != STARTED)
            return;


        state = STOPPING;


        notification = new AttributeChangeNotification
            (this, sequenceNumber++, System.currentTimeMillis(),
             "Stopping " + NAME, "State", "java.lang.Integer",
             new Integer(STARTED), new Integer(STOPPING));
        sendNotification(notification);


        try {


            embedded.stop();


        } catch (Throwable t) {


            // FIXME
            t.printStackTrace();


        }


        state = STOPPED;


        notification = new AttributeChangeNotification
            (this, sequenceNumber++, System.currentTimeMillis(),
             "Stopped " + NAME, "State", "java.lang.Integer",
             new Integer(STOPPING), new Integer(STOPPED));
        sendNotification(notification);

View Full Code Here


        state = STARTING;


        // Notifying the MBEan server that we're starting


        notification = new AttributeChangeNotification
            (this, sequenceNumber++, System.currentTimeMillis(),
             "Starting " + NAME, "State", "java.lang.Integer",
             new Integer(STOPPED), new Integer(STARTING));
        sendNotification(notification);


        try {


            String[] args = { "start" };
            Bootstrap.main(args);


        } catch (Throwable t) {
            state = STOPPED;
            notification = new AttributeChangeNotification
                (this, sequenceNumber++, System.currentTimeMillis(),
                 "Stopped " + NAME, "State", "java.lang.Integer",
                 new Integer(STARTING), new Integer(STOPPED));
            sendNotification(notification);
        }


        state = STARTED;
        notification = new AttributeChangeNotification
            (this, sequenceNumber++, System.currentTimeMillis(),
             "Started " + NAME, "State", "java.lang.Integer",
             new Integer(STARTING), new Integer(STARTED));
        sendNotification(notification);

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        if (state != STARTED)
            return;


        state = STOPPING;


        notification = new AttributeChangeNotification
            (this, sequenceNumber++, System.currentTimeMillis(),
             "Stopping " + NAME, "State", "java.lang.Integer",
             new Integer(STARTED), new Integer(STOPPING));
        sendNotification(notification);


        try {


            String[] args = { "stop" };
            Bootstrap.main(args);


        } catch (Throwable t) {


            // FIXME
            t.printStackTrace();


        }


        state = STOPPED;


        notification = new AttributeChangeNotification
            (this, sequenceNumber++, System.currentTimeMillis(),
             "Stopped " + NAME, "State", "java.lang.Integer",
             new Integer(STOPPING), new Integer(STOPPED));
        sendNotification(notification);

View Full Code Here

        else if (oldValue.getValue() != null)
            type = oldValue.getValue().getClass().getName();
        else
            return;  // Old and new are both null == no change


        AttributeChangeNotification notification =
            new AttributeChangeNotification
            (this, 1, System.currentTimeMillis(),
             "Attribute value has changed",
             oldValue.getName(), type,
             oldValue.getValue(), newValue.getValue());
        sendAttributeChangeNotification(notification);

View Full Code Here


        if (notification == null)
            return (false);
        if (!(notification instanceof AttributeChangeNotification))
            return (false);
        AttributeChangeNotification acn =
            (AttributeChangeNotification) notification;
        if (!AttributeChangeNotification.ATTRIBUTE_CHANGE.equals(acn.getType()))
            return (false);
        synchronized (names) {
            if (names.size() < 1)
                return (true);
            else
                return (names.contains(acn.getAttributeName()));
        }


    }

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        // set attributes in jndi
       //     if( "jmx.attribute.changed".equals( notification.getType() )) {
        if( notification instanceof AttributeChangeNotification) {


            AttributeChangeNotification anotif=(AttributeChangeNotification)notification;
            String name=anotif.getAttributeName();
            Object value=anotif.getNewValue();
            Object source=anotif.getSource();
            String mname=null;


            Hashtable mbeanAtt=(Hashtable)attributes.get( source );
            if( mbeanAtt==null ) {
                mbeanAtt=new Hashtable();

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            sb.append( "<mbean class=\"").append(on).append("\">");
            sb.append( "\n");
            Enumeration attEn=mbeanAtt.keys();
            while (attEn.hasMoreElements()) {
                String an = (String) attEn.nextElement();
                AttributeChangeNotification anotif=
                        (AttributeChangeNotification)mbeanAtt.get(an);
                sb.append("  <attribute name=\"").append(an).append("\" ");
                sb.append("value=\"").append(anotif.getNewValue()).append("\">");
                sb.append( "\n");
            }




            sb.append( "</mbean>");

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            System.out.println("\tClassName: " + notification.getClass().getName());
            System.out.println("\tSource: " + notification.getSource());
            System.out.println("\tType: " + notification.getType());
            System.out.println("\tMessage: " + notification.getMessage());
            if (notification instanceof AttributeChangeNotification) {
                AttributeChangeNotification acn =
                    (AttributeChangeNotification) notification;
                System.out.println("\tAttributeName: " + acn.getAttributeName());
                System.out.println("\tAttributeType: " + acn.getAttributeType());
                System.out.println("\tNewValue: " + acn.getNewValue());
                System.out.println("\tOldValue: " + acn.getOldValue());
            }
        }

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        else if (oldValue.getValue() != null)
            type = oldValue.getValue().getClass().getName();
        else
            return;  // Old and new are both null == no change


        AttributeChangeNotification notification =
            new AttributeChangeNotification
            (this, 1, System.currentTimeMillis(),
             "Attribute value has changed",
             oldValue.getName(), type,
             oldValue.getValue(), newValue.getValue());
        sendAttributeChangeNotification(notification);

View Full Code Here

        
        state = STARTING;
        
        // Notifying the MBEan server that we're starting
        
        notification = new AttributeChangeNotification
            (this, sequenceNumber++, System.currentTimeMillis(), 
             "Starting " + NAME, "State", "java.lang.Integer", 
             new Integer(STOPPED), new Integer(STARTING));
        sendNotification(notification);
        
        try {
            
            String value = "org.apache.naming";
            String oldValue = System.getProperty(Context.URL_PKG_PREFIXES);
            if (oldValue != null) {
                oldUrlValue = oldValue;
                value = oldValue + ":" + value;
            }
            System.setProperty(Context.URL_PKG_PREFIXES, value);
            
            oldValue = System.getProperty(Context.INITIAL_CONTEXT_FACTORY);
            if (oldValue != null) {
                oldIcValue = oldValue;
            } else {
                System.setProperty(Context.INITIAL_CONTEXT_FACTORY,
                                   Constants.Package 
                                   + ".java.javaURLContextFactory");
            }
            
        } catch (Throwable t) {
            state = STOPPED;
            notification = new AttributeChangeNotification
                (this, sequenceNumber++, System.currentTimeMillis(), 
                 "Stopped " + NAME, "State", "java.lang.Integer", 
                 new Integer(STARTING), new Integer(STOPPED));
            sendNotification(notification);
        }
        
        state = STARTED;
        notification = new AttributeChangeNotification
            (this, sequenceNumber++, System.currentTimeMillis(), 
             "Started " + NAME, "State", "java.lang.Integer", 
             new Integer(STARTING), new Integer(STARTED));
        sendNotification(notification);

View Full Code Here

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