Package org.springframework.jmx.support

Class NotificationListenerHolder

java.lang.Object

org.springframework.jmx.support.NotificationListenerHolder

Direct Known Subclasses:

NotificationListenerBean, NotificationListenerRegistrar

public class NotificationListenerHolder
extends Object

Helper class that aggregates a NotificationListener, a NotificationFilter, and an arbitrary handback object, as well as the names of MBeans from which the listener wishes to receive Notifications.

Since:

2.5.2

Author:

Juergen Hoeller

See Also:

• NotificationListenerBean
• NotificationListenerRegistrar

Field Summary

Fields

Modifier and Type	Field	Description
protected Set<Object>	mappedObjectNames

Constructor Summary

Constructors

Constructor	Description
NotificationListenerHolder()

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
Object	getHandback()	Return the (arbitrary) object that will be 'handed back' as-is by an NotificationBroadcaster when notifying any NotificationListener.
NotificationFilter	getNotificationFilter()	Return the NotificationFilter associated with the encapsulated NotificationListener.
NotificationListener	getNotificationListener()	Get the NotificationListener.
ObjectName[]	getResolvedObjectNames()	Return the list of ObjectName String representations for which the encapsulated NotificationFilter will be registered as a listener for Notifications.
int	hashCode()
void	setHandback(Object handback)	Set the (arbitrary) object that will be 'handed back' as-is by an NotificationBroadcaster when notifying any NotificationListener.
void	setMappedObjectName(Object mappedObjectName)	Set the ObjectName-style name of the single MBean that the encapsulated NotificationFilter will be registered with to listen for Notifications.
void	setMappedObjectNames(Object... mappedObjectNames)	Set an array of ObjectName-style names of the MBeans that the encapsulated NotificationFilter will be registered with to listen for Notifications.
void	setNotificationFilter(NotificationFilter notificationFilter)	Set the NotificationFilter associated with the encapsulated NotificationFilter.
void	setNotificationListener(NotificationListener notificationListener)	Set the NotificationListener.

Methods inherited from class java.lang.Object

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

Field Details

mappedObjectNames

@Nullable
protected Set<Object> mappedObjectNames

Constructor Details

NotificationListenerHolder

public NotificationListenerHolder()

Method Details

setNotificationListener

public void setNotificationListener(@Nullable
 NotificationListener notificationListener)

Set the NotificationListener.

getNotificationListener

@Nullable
public NotificationListener getNotificationListener()

Get the NotificationListener.

setNotificationFilter

public void setNotificationFilter(@Nullable
 NotificationFilter notificationFilter)

Set the NotificationFilter associated with the encapsulated NotificationFilter.

May be null.

getNotificationFilter

@Nullable
public NotificationFilter getNotificationFilter()

Return the NotificationFilter associated with the encapsulated NotificationListener.

May be null.

setHandback

public void setHandback(@Nullable
 Object handback)

Set the (arbitrary) object that will be 'handed back' as-is by an NotificationBroadcaster when notifying any NotificationListener.

Parameters:

handback - the handback object (can be null)

See Also:

• NotificationListener.handleNotification(javax.management.Notification, Object)

getHandback

@Nullable
public Object getHandback()

Return the (arbitrary) object that will be 'handed back' as-is by an NotificationBroadcaster when notifying any NotificationListener.

Returns:

the handback object (may be null)

See Also:

• NotificationListener.handleNotification(javax.management.Notification, Object)

setMappedObjectName

public void setMappedObjectName(@Nullable
 Object mappedObjectName)

Set the ObjectName-style name of the single MBean that the encapsulated NotificationFilter will be registered with to listen for Notifications. Can be specified as ObjectName instance or as String.

See Also:

• setMappedObjectNames(java.lang.Object...)

setMappedObjectNames

public void setMappedObjectNames(Object... mappedObjectNames)

Set an array of ObjectName-style names of the MBeans that the encapsulated NotificationFilter will be registered with to listen for Notifications. Can be specified as ObjectName instances or as Strings.

See Also:

• setMappedObjectName(java.lang.Object)

getResolvedObjectNames

@Nullable
public ObjectName[] getResolvedObjectNames()
                                    throws MalformedObjectNameException

Return the list of ObjectName String representations for which the encapsulated NotificationFilter will be registered as a listener for Notifications.

Throws:

MalformedObjectNameException - if an ObjectName is malformed

equals

public boolean equals(@Nullable
 Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object