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

All Methods Instance Methods Concrete Methods
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 Detail
  - mappedObjectNames
```
@Nullable
protected Set<Object> mappedObjectNames
```
- Constructor Detail
  - NotificationListenerHolder
```
public NotificationListenerHolder()
```
- Method Detail
  - 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

Class NotificationListenerHolder

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

mappedObjectNames

Constructor Detail

NotificationListenerHolder

Method Detail

setNotificationListener

getNotificationListener

setNotificationFilter

getNotificationFilter

setHandback

getHandback

setMappedObjectName

setMappedObjectNames

getResolvedObjectNames

equals

hashCode