Java 类javax.management.MBeanNotificationInfo 实例源码

@Override
public MBeanInfo getMBeanInfo() {

    ArrayList<OpenMBeanAttributeInfoSupport> attributes = new ArrayList<>();

    attributes.add(new OpenMBeanAttributeInfoSupport("enabled", "enabled", SimpleType.BOOLEAN, true, true, true));
    for (String type : registry.getTypes()) {
        attributes.add(new OpenMBeanAttributeInfoSupport(type, type, getCompositeType(type), true, false, false));
    }

    OpenMBeanParameterInfo[] params = new OpenMBeanParameterInfoSupport[0];
    OpenMBeanOperationInfoSupport reset = new OpenMBeanOperationInfoSupport("reset", "Reset all Metrics", params,
            SimpleType.VOID, MBeanOperationInfo.ACTION);

    OpenMBeanInfoSupport PSOMBInfo = new OpenMBeanInfoSupport(this.getClass().getName(), description,
            attributes.toArray(new OpenMBeanAttributeInfoSupport[0]), new OpenMBeanConstructorInfoSupport[0],
            new OpenMBeanOperationInfoSupport[] { reset }, new MBeanNotificationInfo[0]);

    return PSOMBInfo;
}

@Override
public MBeanNotificationInfo[] getNotificationInfo() {
    // FIXME: i18n
    if (notificationInfo == null) {
        notificationInfo = new MBeanNotificationInfo[] {
                new MBeanNotificationInfo(new String[] { "j2ee.object.created" }, Notification.class.getName(),
                        "web application is created"),
                new MBeanNotificationInfo(new String[] { "j2ee.state.starting" }, Notification.class.getName(),
                        "change web application is starting"),
                new MBeanNotificationInfo(new String[] { "j2ee.state.running" }, Notification.class.getName(),
                        "web application is running"),
                new MBeanNotificationInfo(new String[] { "j2ee.state.stopping" }, Notification.class.getName(),
                        "web application start to stopped"),
                new MBeanNotificationInfo(new String[] { "j2ee.object.stopped" }, Notification.class.getName(),
                        "web application is stopped"),
                new MBeanNotificationInfo(new String[] { "j2ee.object.deleted" }, Notification.class.getName(),
                        "web application is deleted") };

    }

    return notificationInfo;
}

/**
 * Return the MBeanInfo for the given resource, based on the given
 * per-interface data.
 */
final MBeanInfo getMBeanInfo(Object resource, PerInterface<M> perInterface) {
    MBeanInfo mbi =
            getClassMBeanInfo(resource.getClass(), perInterface);
    MBeanNotificationInfo[] notifs = findNotifications(resource);
    if (notifs == null || notifs.length == 0)
        return mbi;
    else {
        return new MBeanInfo(mbi.getClassName(),
                mbi.getDescription(),
                mbi.getAttributes(),
                mbi.getConstructors(),
                mbi.getOperations(),
                notifs,
                mbi.getDescriptor());
    }
}

/**
 * Returns an array of MBeanNotificationInfo objects describing
 * the notification types sent by this CommunicatorServer.
 * There is only one type of notifications sent by the CommunicatorServer:
 * it is <tt>{@link javax.management.AttributeChangeNotification}</tt>,
 * sent when the <tt>State</tt> attribute of this CommunicatorServer
 * changes.
 */
@Override
public MBeanNotificationInfo[] getNotificationInfo() {

    // Initialize notifInfos on first call to getNotificationInfo()
    //
    if (notifInfos == null) {
        notifInfos = new MBeanNotificationInfo[1];
        String[] notifTypes = {
            AttributeChangeNotification.ATTRIBUTE_CHANGE};
        notifInfos[0] = new MBeanNotificationInfo( notifTypes,
                 AttributeChangeNotification.class.getName(),
                 "Sent to notify that the value of the State attribute "+
                 "of this CommunicatorServer instance has changed.");
    }

    return notifInfos.clone();
}

/**
 * Returns a NotificationInfo object containing the name of the Java class
 * of the notification and the notification types sent.
 */
public MBeanNotificationInfo[] getNotificationInfo() {

    RELATION_LOGGER.entering(RelationService.class.getName(),
            "getNotificationInfo");

    String ntfClass = "javax.management.relation.RelationNotification";

    String[] ntfTypes = new String[] {
        RelationNotification.RELATION_BASIC_CREATION,
        RelationNotification.RELATION_MBEAN_CREATION,
        RelationNotification.RELATION_BASIC_UPDATE,
        RelationNotification.RELATION_MBEAN_UPDATE,
        RelationNotification.RELATION_BASIC_REMOVAL,
        RelationNotification.RELATION_MBEAN_REMOVAL,
    };

    String ntfDesc = "Sent when a relation is created, updated or deleted.";

    MBeanNotificationInfo ntfInfo =
        new MBeanNotificationInfo(ntfTypes, ntfClass, ntfDesc);

    RELATION_LOGGER.exiting(RelationService.class.getName(),
            "getNotificationInfo");
    return new MBeanNotificationInfo[] {ntfInfo};
}

@Override
public MBeanNotificationInfo[] getNotificationInfo() {

    if (notificationInfo == null) {
        notificationInfo = new MBeanNotificationInfo[] {
                new MBeanNotificationInfo(new String[] { "j2ee.object.created" }, Notification.class.getName(),
                        "servlet is created"),
                new MBeanNotificationInfo(new String[] { "j2ee.state.starting" }, Notification.class.getName(),
                        "servlet is starting"),
                new MBeanNotificationInfo(new String[] { "j2ee.state.running" }, Notification.class.getName(),
                        "servlet is running"),
                new MBeanNotificationInfo(new String[] { "j2ee.state.stopped" }, Notification.class.getName(),
                        "servlet start to stopped"),
                new MBeanNotificationInfo(new String[] { "j2ee.object.stopped" }, Notification.class.getName(),
                        "servlet is stopped"),
                new MBeanNotificationInfo(new String[] { "j2ee.object.deleted" }, Notification.class.getName(),
                        "servlet is deleted") };
    }

    return notificationInfo;
}

public static void main(String[] args) throws Exception {
    // Instantiate the MBean server
    //
    final MBeanAttributeInfo[]    atts   = makeAttInfos(attributes);
    final MBeanConstructorInfo[]  ctors  = makeCtorInfos(constructors);
    final MBeanOperationInfo[]    ops    = makeOpInfos(operations);
    final MBeanNotificationInfo[] notifs =
        makeNotifInfos(notificationclasses);

    for (int i=0; i<mbeanclasses.length;i++) {
        System.out.println("Create an MBeanInfo: " + mbeanclasses[i][0]);
        final MBeanInfo mbi =
            new MBeanInfo(mbeanclasses[i][1],mbeanclasses[i][0],
                          atts, ctors, ops, notifs);
    }

    // Test OK!
    //
    System.out.println("All MBeanInfo successfuly created!");
    System.out.println("Bye! Bye!");
}

/**
 * This MBean emits three kind of notifications:
 * <pre>
 *    <i>com.sun.jmx.examples.scandir.log.file.switched</i>
 *    <i>com.sun.jmx.examples.scandir.log.memory.full</i>
 *    <i>com.sun.jmx.examples.scandir.log.memory.cleared</i>
 * </pre>
 **/
public MBeanNotificationInfo[] getNotificationInfo() {
    return new MBeanNotificationInfo[] {
        new MBeanNotificationInfo(new String[] {
            LOG_FILE_CHANGED},
                Notification.class.getName(),
                "Emitted when the log file is switched")
                ,
        new MBeanNotificationInfo(new String[] {
            MEMORY_LOG_MAX_CAPACITY},
                Notification.class.getName(),
                "Emitted when the memory log capacity is reached")
                ,
        new MBeanNotificationInfo(new String[] {
            MEMORY_LOG_CLEARED},
                Notification.class.getName(),
                "Emitted when the memory log is cleared")
    };
}

/**
 * Return the MBeanInfo for the given resource, based on the given
 * per-interface data.
 */
final MBeanInfo getMBeanInfo(Object resource, PerInterface<M> perInterface) {
    MBeanInfo mbi =
            getClassMBeanInfo(resource.getClass(), perInterface);
    MBeanNotificationInfo[] notifs = findNotifications(resource);
    if (notifs == null || notifs.length == 0)
        return mbi;
    else {
        return new MBeanInfo(mbi.getClassName(),
                mbi.getDescription(),
                mbi.getAttributes(),
                mbi.getConstructors(),
                mbi.getOperations(),
                notifs,
                mbi.getDescriptor());
    }
}

/**
 * Returns a NotificationInfo object containing the name of the Java class
 * of the notification and the notification types sent.
 */
public MBeanNotificationInfo[] getNotificationInfo() {

    RELATION_LOGGER.entering(RelationService.class.getName(),
            "getNotificationInfo");

    String ntfClass = "javax.management.relation.RelationNotification";

    String[] ntfTypes = new String[] {
        RelationNotification.RELATION_BASIC_CREATION,
        RelationNotification.RELATION_MBEAN_CREATION,
        RelationNotification.RELATION_BASIC_UPDATE,
        RelationNotification.RELATION_MBEAN_UPDATE,
        RelationNotification.RELATION_BASIC_REMOVAL,
        RelationNotification.RELATION_MBEAN_REMOVAL,
    };

    String ntfDesc = "Sent when a relation is created, updated or deleted.";

    MBeanNotificationInfo ntfInfo =
        new MBeanNotificationInfo(ntfTypes, ntfClass, ntfDesc);

    RELATION_LOGGER.exiting(RelationService.class.getName(),
            "getNotificationInfo");
    return new MBeanNotificationInfo[] {ntfInfo};
}

public MBeanNotificationInfo[] getNotificationInfo() {
    if (notifDescriptorAtt == null) {
        initNotifDescriptorAtt();
    }

    return new MBeanNotificationInfo[]{
                new MBeanNotificationInfo(new String[]{
                    NOTIF_TYPE_0
                },
                javax.management.Notification.class.getName(),
                "Standard JMX Notification",
                notifDescriptorAtt),
                new MBeanNotificationInfo(new String[]{
                    NOTIF_TYPE_1
                },
                SqeNotification.class.getName(),
                "SQE Notification",
                notifDescriptorAtt)
            };
}

public static void main(String[] args) throws Exception {
    // Instantiate the MBean server
    //
    final MBeanAttributeInfo[]    atts   = makeAttInfos(attributes);
    final MBeanConstructorInfo[]  ctors  = makeCtorInfos(constructors);
    final MBeanOperationInfo[]    ops    = makeOpInfos(operations);
    final MBeanNotificationInfo[] notifs =
        makeNotifInfos(notificationclasses);

    for (int i=0; i<mbeanclasses.length;i++) {
        System.out.println("Create an MBeanInfo: " + mbeanclasses[i][0]);
        final MBeanInfo mbi =
            new MBeanInfo(mbeanclasses[i][1],mbeanclasses[i][0],
                          atts, ctors, ops, notifs);
    }

    // Test OK!
    //
    System.out.println("All MBeanInfo successfuly created!");
    System.out.println("Bye! Bye!");
}

public MBeanNotificationInfo[] getNotificationInfo() {
    if (notifDescriptorAtt == null) {
        initNotifDescriptorAtt();
    }

    return new MBeanNotificationInfo[]{
                new MBeanNotificationInfo(new String[]{
                    NOTIF_TYPE_0
                },
                javax.management.Notification.class.getName(),
                "Standard JMX Notification",
                notifDescriptorAtt),
                new MBeanNotificationInfo(new String[]{
                    NOTIF_TYPE_1
                },
                SqeNotification.class.getName(),
                "SQE Notification",
                notifDescriptorAtt)
            };
}

private void printMBeanInfo(MBeanInfo mbInfo) {
    System.out.println("Description " + mbInfo.getDescription());

    for (MBeanConstructorInfo ctor : mbInfo.getConstructors()) {
        System.out.println("Constructor " + ctor.getName());
    }

    for (MBeanAttributeInfo att : mbInfo.getAttributes()) {
        System.out.println("Attribute " + att.getName()
        + " [" + att.getType() + "]");
    }

    for (MBeanOperationInfo oper : mbInfo.getOperations()) {
        System.out.println("Operation " + oper.getName());
    }

    for (MBeanNotificationInfo notif : mbInfo.getNotifications()) {
        System.out.println("Notification " + notif.getName());
    }
}

private int checkMBeanInfo(MBeanInfo mbi, Descriptor refDescr) {
    MBeanNotificationInfo[] notifsInfo = mbi.getNotifications();
    int res = 0;

    for (MBeanNotificationInfo mbni : notifsInfo) {
        if ( mbni.getDescriptor().equals(refDescr) ) {
            System.out.println("(OK)");
        } else {
            System.out.println("(ERROR) Descriptor of the notification is "
                    + mbni.getDescriptor()
                    + " as we expect "
                    + refDescr);
            res++;
        }
    }

    return res;
}

/**
 * Return the MBeanInfo for the given resource, based on the given
 * per-interface data.
 */
final MBeanInfo getMBeanInfo(Object resource, PerInterface<M> perInterface) {
    MBeanInfo mbi =
            getClassMBeanInfo(resource.getClass(), perInterface);
    MBeanNotificationInfo[] notifs = findNotifications(resource);
    if (notifs == null || notifs.length == 0)
        return mbi;
    else {
        return new MBeanInfo(mbi.getClassName(),
                mbi.getDescription(),
                mbi.getAttributes(),
                mbi.getConstructors(),
                mbi.getOperations(),
                notifs,
                mbi.getDescriptor());
    }
}

/**
 * Returns a NotificationInfo object containing the name of the Java class
 * of the notification and the notification types sent.
 */
public MBeanNotificationInfo[] getNotificationInfo() {

    RELATION_LOGGER.log(Level.TRACE, "ENTRY");

    String ntfClass = "javax.management.relation.RelationNotification";

    String[] ntfTypes = new String[] {
        RelationNotification.RELATION_BASIC_CREATION,
        RelationNotification.RELATION_MBEAN_CREATION,
        RelationNotification.RELATION_BASIC_UPDATE,
        RelationNotification.RELATION_MBEAN_UPDATE,
        RelationNotification.RELATION_BASIC_REMOVAL,
        RelationNotification.RELATION_MBEAN_REMOVAL,
    };

    String ntfDesc = "Sent when a relation is created, updated or deleted.";

    MBeanNotificationInfo ntfInfo =
        new MBeanNotificationInfo(ntfTypes, ntfClass, ntfDesc);

    RELATION_LOGGER.log(Level.TRACE, "RETURN");
    return new MBeanNotificationInfo[] {ntfInfo};
}

private void printMBeanInfo(MBeanInfo mbInfo) {
    System.out.println("Description " + mbInfo.getDescription());

    for (MBeanConstructorInfo ctor : mbInfo.getConstructors()) {
        System.out.println("Constructor " + ctor.getName());
    }

    for (MBeanAttributeInfo att : mbInfo.getAttributes()) {
        System.out.println("Attribute " + att.getName()
        + " [" + att.getType() + "]");
    }

    for (MBeanOperationInfo oper : mbInfo.getOperations()) {
        System.out.println("Operation " + oper.getName());
    }

    for (MBeanNotificationInfo notif : mbInfo.getNotifications()) {
        System.out.println("Notification " + notif.getName());
    }
}

@Override
public MBeanNotificationInfo[] getNotificationInfo() {
    MBeanNotificationInfo[] pres = super.getNotificationInfo();
    MBeanNotificationInfo[] loc = getDefaultNotificationInfo();
    MBeanNotificationInfo[] aug = new MBeanNotificationInfo[pres.length + loc.length];
    if (pres.length>0) System.arraycopy(pres, 0, aug, 0, pres.length);
    if (loc.length >0) System.arraycopy(loc, 0, aug, pres.length, loc.length);
    return aug;
}

public static MBeanNotificationInfo[] getDefaultNotificationInfo() {
    String[] types = new String[] {NOTIFY_INIT, NOTIFY_CONNECT, NOTIFY_ABANDON, SLOW_QUERY_NOTIFICATION,
            FAILED_QUERY_NOTIFICATION, SUSPECT_ABANDONED_NOTIFICATION, POOL_EMPTY, SUSPECT_RETURNED_NOTIFICATION};
    String name = Notification.class.getName();
    String description = "A connection pool error condition was met.";
    MBeanNotificationInfo info = new MBeanNotificationInfo(types, name, description);
    return new MBeanNotificationInfo[] {info};
}

public MBeanNotificationInfo[] getNotificationInfo() {
    // FIXME: i18n
    if(notificationInfo == null) {
        notificationInfo = new MBeanNotificationInfo[]{
                new MBeanNotificationInfo(new String[] {
                "j2ee.object.created"},
    Notification.class.getName(),
    "web application is created"
                ), 
    new MBeanNotificationInfo(new String[] {
    "j2ee.state.starting"},
    Notification.class.getName(),
    "change web application is starting"
    ),
    new MBeanNotificationInfo(new String[] {
    "j2ee.state.running"},
    Notification.class.getName(),
    "web application is running"
    ),
    new MBeanNotificationInfo(new String[] {
    "j2ee.state.stopped"},
    Notification.class.getName(),
    "web application start to stopped"
    ),
    new MBeanNotificationInfo(new String[] {
    "j2ee.object.stopped"},
    Notification.class.getName(),
    "web application is stopped"
    ),
    new MBeanNotificationInfo(new String[] {
    "j2ee.object.deleted"},
    Notification.class.getName(),
    "web application is deleted"
    )
        };

    }

    return notificationInfo;
}

static private MBeanNotificationInfo[] makeNotifInfos(String[][] spec) {
    final MBeanNotificationInfo[] result =
        new MBeanNotificationInfo[spec.length];
    final String[] types = {"valid.type","invalid-type"};
    for (int i=0;i<result.length;i++) {
        System.out.println("\tCreate an MBeanNotificationInfo: " +
                           spec[i][0]);
        final MBeanNotificationInfo item =
            new MBeanNotificationInfo(types,spec[i][1],spec[i][0]);
        result[i]=item;
    }
    return result;
}

public MBeanNotificationInfo[] getNotificationInfo() {
    synchronized (this) {
        if (notifInfo == null) {
             notifInfo = new MBeanNotificationInfo[1];
             notifInfo[0] = new MBeanNotificationInfo(gcNotifTypes,
                                                      notifName,
                                                      "GC Notification");
        }
    }
    return notifInfo;
}

public MBeanNotificationInfo[] getNotificationInfo() {
    synchronized (this) {
        if (notifInfo == null) {
             notifInfo = new MBeanNotificationInfo[1];
             notifInfo[0] = new MBeanNotificationInfo(notifTypes,
                                                      notifName,
                                                      "Memory Notification");
        }
    }
    return notifInfo;
}

public MBeanNotificationInfo[] getNotificationInfo() {
    synchronized (this) {
        if(notifInfo == null) {
            notifInfo = new MBeanNotificationInfo[0];
        }
    }
    return notifInfo;
}

/**
 * Return a <CODE>NotificationInfo</CODE> object containing the
 * notification class and the notification type sent by the
 * <CODE>SnmpMibTable</CODE>.
 */
@Override
public MBeanNotificationInfo[] getNotificationInfo() {

    String[] types = {SnmpTableEntryNotification.SNMP_ENTRY_ADDED,
                      SnmpTableEntryNotification.SNMP_ENTRY_REMOVED};

    MBeanNotificationInfo[] notifsInfo = {
        new MBeanNotificationInfo
        (types, "com.sun.jmx.snmp.agent.SnmpTableEntryNotification",
         "Notifications sent by the SnmpMibTable")
    };

    return notifsInfo;
}

public ModelMBeanNotificationInfo getNotification(String inName)
throws MBeanException, RuntimeOperationsException {
    ModelMBeanNotificationInfo retInfo = null;
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                ModelMBeanInfoSupport.class.getName(),
                "getNotification(String)", "Entry");
    }
    if (inName == null) {
        throw new RuntimeOperationsException(
                new IllegalArgumentException("Notification name is null"),
                "Exception occurred trying to get the " +
                "ModelMBeanNotificationInfo of the MBean");
    }
    MBeanNotificationInfo[] notifList = modelMBeanNotifications; //this.getNotifications();
    int numNotifs = 0;
    if (notifList != null) numNotifs = notifList.length;

    for (int i=0; (i < numNotifs) && (retInfo == null); i++) {
        if (inName.equals(notifList[i].getName())) {
            retInfo = ((ModelMBeanNotificationInfo) notifList[i].clone());
        }
    }
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                ModelMBeanInfoSupport.class.getName(),
                "getNotification(String)", "Exit");
    }

    return retInfo;
}

/**
 * Deserializes a {@link ModelMBeanInfoSupport} from an {@link ObjectInputStream}.
 */
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException {
    if (compat) {
        // Read an object serialized in the old serial form
        //
        ObjectInputStream.GetField fields = in.readFields();
        modelMBeanDescriptor =
                (Descriptor) fields.get("modelMBeanDescriptor", null);
        if (fields.defaulted("modelMBeanDescriptor")) {
            throw new NullPointerException("modelMBeanDescriptor");
        }
        modelMBeanAttributes =
                (MBeanAttributeInfo[]) fields.get("mmbAttributes", null);
        if (fields.defaulted("mmbAttributes")) {
            throw new NullPointerException("mmbAttributes");
        }
        modelMBeanConstructors =
                (MBeanConstructorInfo[]) fields.get("mmbConstructors", null);
        if (fields.defaulted("mmbConstructors")) {
            throw new NullPointerException("mmbConstructors");
        }
        modelMBeanNotifications =
                (MBeanNotificationInfo[]) fields.get("mmbNotifications", null);
        if (fields.defaulted("mmbNotifications")) {
            throw new NullPointerException("mmbNotifications");
        }
        modelMBeanOperations =
                (MBeanOperationInfo[]) fields.get("mmbOperations", null);
        if (fields.defaulted("mmbOperations")) {
            throw new NullPointerException("mmbOperations");
        }
    } else {
        // Read an object serialized in the new serial form
        //
        in.defaultReadObject();
    }
}

/**
 * <p>Returns an array indicating the notifications that this MBean
 * sends. The implementation in <code>JMXConnectorServer</code>
 * returns an array with one element, indicating that it can emit
 * notifications of class {@link JMXConnectionNotification} with
 * the types defined in that class.  A subclass that can emit other
 * notifications should return an array that contains this element
 * plus descriptions of the other notifications.</p>
 *
 * @return the array of possible notifications.
 */
@Override
public MBeanNotificationInfo[] getNotificationInfo() {
    final String[] types = {
        JMXConnectionNotification.OPENED,
        JMXConnectionNotification.CLOSED,
        JMXConnectionNotification.FAILED,
    };
    final String className = JMXConnectionNotification.class.getName();
    final String description =
        "A client connection has been opened or closed";
    return new MBeanNotificationInfo[] {
        new MBeanNotificationInfo(types, className, description),
    };
}

/**
 * Returns a NotificationInfo object containing the name of the Java class of the notification
 * and the notification types sent by this notification broadcaster.
 */
public MBeanNotificationInfo[] getNotificationInfo() {

    MBeanNotificationInfo[] ntfInfoArray  = new MBeanNotificationInfo[1];

    String[] ntfTypes = new String[1];
    ntfTypes[0] = myType;

    ntfInfoArray[0] = new MBeanNotificationInfo(ntfTypes,
                                                "javax.management.Notification",
                                                "Notifications sent by the NotificationEmitter");
    return ntfInfoArray;
}

@Override
public MBeanNotificationInfo[] getNotificationInfo() {
    String[] types = new String[] {JMX_MONITOR_RATE_LIMIT_SERVICE_TYPE,
            MonitorNotification.THRESHOLD_VALUE_EXCEEDED};
    MBeanNotificationInfo info = new MBeanNotificationInfo(types, Notification.class.getName(),
            "rate-limited request processed");
    return new MBeanNotificationInfo[] {info};
}

@Override
public MBeanNotificationInfo[] getNotificationInfo() {
    MBeanNotificationInfo[] pres = super.getNotificationInfo();
    MBeanNotificationInfo[] loc = getDefaultNotificationInfo();
    MBeanNotificationInfo[] aug = new MBeanNotificationInfo[pres.length + loc.length];
    if (pres.length>0) System.arraycopy(pres, 0, aug, 0, pres.length);
    if (loc.length >0) System.arraycopy(loc, 0, aug, pres.length, loc.length);
    return aug;
}

public static MBeanNotificationInfo[] getDefaultNotificationInfo() {
    String[] types = new String[] {NOTIFY_INIT, NOTIFY_CONNECT, NOTIFY_ABANDON, SLOW_QUERY_NOTIFICATION,
            FAILED_QUERY_NOTIFICATION, SUSPECT_ABANDONED_NOTIFICATION, POOL_EMPTY, SUSPECT_RETURNED_NOTIFICATION};
    String name = Notification.class.getName();
    String description = "A connection pool error condition was met.";
    MBeanNotificationInfo info = new MBeanNotificationInfo(types, name, description);
    return new MBeanNotificationInfo[] {info};
}

/**
 * The {@link DirectoryScannerMXBean} may send two types of
 * notifications: filematch, and state attribute changed.
 **/
public MBeanNotificationInfo[] getNotificationInfo() {
    return new MBeanNotificationInfo[] {
        new MBeanNotificationInfo(
                new String[] {FILE_MATCHES_NOTIFICATION},
                Notification.class.getName(),
                "Emitted when a file that matches the scan criteria is found"
                ),
        new MBeanNotificationInfo(
                new String[] {AttributeChangeNotification.ATTRIBUTE_CHANGE},
                AttributeChangeNotification.class.getName(),
                "Emitted when the State attribute changes"
                )
    };
}

/**
 * We emit an {@code AttributeChangeNotification} when the {@code State}
 * attribute changes.
 **/
public MBeanNotificationInfo[] getNotificationInfo() {
    return new MBeanNotificationInfo[] {
        new MBeanNotificationInfo(new String[] {
            AttributeChangeNotification.ATTRIBUTE_CHANGE},
            AttributeChangeNotification.class.getName(),
            "Emitted when the State attribute changes")
        };
}

@Override
public MBeanNotificationInfo[] getNotificationInfo() {
    return new MBeanNotificationInfo[]{
        new MBeanNotificationInfo(gcNotifTypes,
        notifName,
        "GC Notification")
    };
}

public MBeanNotificationInfo[] getNotificationInfo() {
    synchronized (this) {
        if(notifInfo == null) {
            notifInfo = new MBeanNotificationInfo[0];
        }
    }
    return notifInfo;
}

/**
 * Return a <CODE>NotificationInfo</CODE> object containing the
 * notification class and the notification type sent by the
 * <CODE>SnmpMibTable</CODE>.
 */
@Override
public MBeanNotificationInfo[] getNotificationInfo() {

    String[] types = {SnmpTableEntryNotification.SNMP_ENTRY_ADDED,
                      SnmpTableEntryNotification.SNMP_ENTRY_REMOVED};

    MBeanNotificationInfo[] notifsInfo = {
        new MBeanNotificationInfo
        (types, "com.sun.jmx.snmp.agent.SnmpTableEntryNotification",
         "Notifications sent by the SnmpMibTable")
    };

    return notifsInfo;
}

public MBeanNotificationInfo[] getNotificationInfo() {
    final String[] ntfTypes = {myType};

    final MBeanNotificationInfo[] ntfInfoArray  = {
        new MBeanNotificationInfo(ntfTypes,
                                  "javax.management.Notification",
                                  "Notifications sent by the NotificationEmitter")};

    return ntfInfoArray;
}

/**
 * Deserializes a {@link ModelMBeanInfoSupport} from an {@link ObjectInputStream}.
 */
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException {
    if (compat) {
        // Read an object serialized in the old serial form
        //
        ObjectInputStream.GetField fields = in.readFields();
        modelMBeanDescriptor =
                (Descriptor) fields.get("modelMBeanDescriptor", null);
        if (fields.defaulted("modelMBeanDescriptor")) {
            throw new NullPointerException("modelMBeanDescriptor");
        }
        modelMBeanAttributes =
                (MBeanAttributeInfo[]) fields.get("mmbAttributes", null);
        if (fields.defaulted("mmbAttributes")) {
            throw new NullPointerException("mmbAttributes");
        }
        modelMBeanConstructors =
                (MBeanConstructorInfo[]) fields.get("mmbConstructors", null);
        if (fields.defaulted("mmbConstructors")) {
            throw new NullPointerException("mmbConstructors");
        }
        modelMBeanNotifications =
                (MBeanNotificationInfo[]) fields.get("mmbNotifications", null);
        if (fields.defaulted("mmbNotifications")) {
            throw new NullPointerException("mmbNotifications");
        }
        modelMBeanOperations =
                (MBeanOperationInfo[]) fields.get("mmbOperations", null);
        if (fields.defaulted("mmbOperations")) {
            throw new NullPointerException("mmbOperations");
        }
    } else {
        // Read an object serialized in the new serial form
        //
        in.defaultReadObject();
    }
}