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javax.management
Class MBeanServerDelegate

java.lang.Object
  javax.management.MBeanServerDelegate

All Implemented Interfaces:

MBeanServerDelegateMBean, NotificationBroadcaster, NotificationEmitter

public class MBeanServerDelegate
extends Object
implements MBeanServerDelegateMBean, NotificationEmitter

Represents the MBean server from the management point of view. The MBeanServerDelegate MBean emits the MBeanServerNotifications when an MBean is registered/unregistered in the MBean server.

Since:

1.5

Field Summary

Modifier and Type	Field and Description
static ObjectName	DELEGATE_NAME Defines the default ObjectName of the MBeanServerDelegate.

Constructor and Description

MBeanServerDelegate()
Create a MBeanServerDelegate object.

Method Summary

Modifier and Type	Method and Description
void	addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback) Adds a listener to this MBean.
String	getImplementationName() Returns the JMX implementation name (the name of this product).
String	getImplementationVendor() Returns the JMX implementation vendor (the vendor of this product).
String	getImplementationVersion() Returns the JMX implementation version (the version of this product).
String	getMBeanServerId() Returns the MBean server agent identity.
MBeanNotificationInfo[]	getNotificationInfo() Returns an array indicating, for each notification this MBean may send, the name of the Java class of the notification and the notification type.
String	getSpecificationName() Returns the full name of the JMX specification implemented by this product.
String	getSpecificationVendor() Returns the vendor of the JMX specification implemented by this product.
String	getSpecificationVersion() Returns the version of the JMX specification implemented by this product.
void	removeNotificationListener(NotificationListener listener) Removes a listener from this MBean.
void	removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback) Removes a listener from this MBean.
void	sendNotification(Notification notification) Enables the MBean server to send a notification.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DELEGATE_NAME

public static final ObjectName DELEGATE_NAME

Defines the default ObjectName of the MBeanServerDelegate.

Since:

1.6

Constructor Detail

MBeanServerDelegate

public MBeanServerDelegate()

Create a MBeanServerDelegate object.

Method Detail

getMBeanServerId

public String getMBeanServerId()

Returns the MBean server agent identity.

Specified by:

getMBeanServerId in interface MBeanServerDelegateMBean

Returns:

the identity.

getSpecificationName

public String getSpecificationName()

Returns the full name of the JMX specification implemented by this product.

Specified by:

getSpecificationName in interface MBeanServerDelegateMBean

Returns:

the specification name.

getSpecificationVersion

public String getSpecificationVersion()

Returns the version of the JMX specification implemented by this product.

Specified by:

getSpecificationVersion in interface MBeanServerDelegateMBean

Returns:

the specification version.

getSpecificationVendor

public String getSpecificationVendor()

Returns the vendor of the JMX specification implemented by this product.

Specified by:

getSpecificationVendor in interface MBeanServerDelegateMBean

Returns:

the specification vendor.

getImplementationName

public String getImplementationName()

Returns the JMX implementation name (the name of this product).

Specified by:

getImplementationName in interface MBeanServerDelegateMBean

Returns:

the implementation name.

getImplementationVersion

public String getImplementationVersion()

Returns the JMX implementation version (the version of this product).

Specified by:

getImplementationVersion in interface MBeanServerDelegateMBean

Returns:

the implementation version.

getImplementationVendor

public String getImplementationVendor()

Returns the JMX implementation vendor (the vendor of this product).

Specified by:

getImplementationVendor in interface MBeanServerDelegateMBean

Returns:

the implementation vendor.

getNotificationInfo

public MBeanNotificationInfo[] getNotificationInfo()

Description copied from interface: NotificationBroadcaster

Returns an array indicating, for each notification this MBean may send, the name of the Java class of the notification and the notification type.

It is not illegal for the MBean to send notifications not described in this array. However, some clients of the MBean server may depend on the array being complete for their correct functioning.

Specified by:

getNotificationInfo in interface NotificationBroadcaster

Returns:

the array of possible notifications.

addNotificationListener

public void addNotificationListener(NotificationListener listener,
                                    NotificationFilter filter,
                                    Object handback)
                             throws IllegalArgumentException

Description copied from interface: NotificationBroadcaster

Adds a listener to this MBean.

Specified by:

addNotificationListener in interface NotificationBroadcaster

Parameters:

listener - The listener object which will handle the notifications emitted by the broadcaster.

filter - The filter object. If filter is null, no filtering will be performed before handling notifications.

handback - An opaque object to be sent back to the listener when a notification is emitted. This object cannot be used by the Notification broadcaster object. It should be resent unchanged with the notification to the listener.

Throws:

IllegalArgumentException - Listener parameter is null.

See Also:

NotificationBroadcaster.removeNotificationListener(javax.management.NotificationListener)

removeNotificationListener

public void removeNotificationListener(NotificationListener listener,
                                       NotificationFilter filter,
                                       Object handback)
                                throws ListenerNotFoundException

Description copied from interface: NotificationEmitter

Removes a listener from this MBean. The MBean must have a listener that exactly matches the given listener, filter, and handback parameters. If there is more than one such listener, only one is removed.

The filter and handback parameters may be null if and only if they are null in a listener to be removed.

Specified by:

removeNotificationListener in interface NotificationEmitter

Parameters:

listener - A listener that was previously added to this MBean.

filter - The filter that was specified when the listener was added.

handback - The handback that was specified when the listener was added.

Throws:

ListenerNotFoundException - The listener is not registered with the MBean, or it is not registered with the given filter and handback.

removeNotificationListener

public void removeNotificationListener(NotificationListener listener)
                                throws ListenerNotFoundException

Description copied from interface: NotificationBroadcaster

Removes a listener from this MBean. If the listener has been registered with different handback objects or notification filters, all entries corresponding to the listener will be removed.

Specified by:

removeNotificationListener in interface NotificationBroadcaster

Parameters:

listener - A listener that was previously added to this MBean.

Throws:

ListenerNotFoundException - The listener is not registered with the MBean.

See Also:

NotificationBroadcaster.addNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object), NotificationEmitter.removeNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)

sendNotification

public void sendNotification(Notification notification)

Enables the MBean server to send a notification. If the passed notification has a sequence number lesser or equal to 0, then replace it with the delegate's own sequence number.

Parameters:

notification - The notification to send.