java.util.prefs

Class NodeChangeEvent

java.lang.Object

java.util.EventObject

java.util.prefs.NodeChangeEvent

All Implemented Interfaces:

Serializable

public class NodeChangeEvent
extends EventObject

ObjectEvent fired when a Preference node is added/removed. This event is only generated when a new subnode is added or a subnode is removed from a preference node. Changes in the entries of a preference node are indicated with a PreferenceChangeEvent.

Note that although this class is marked as serializable, attempts to serialize it will fail with NotSerializableException.

Since:

1.4

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
NodeChangeEvent(Preferences parentNode, Preferences childNode) Creates a new NodeChangeEvent.

Method Summary

Methods

Modifier and Type	Method and Description
Preferences	getChild() Returns the child preference subnode that was added or removed.
Preferences	getParent() Returns the source parent preference node from which a subnode was added or removed.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeChangeEvent

public NodeChangeEvent(Preferences parentNode,
               Preferences childNode)

Creates a new NodeChangeEvent.

Parameters:

parentNode - The source preference node from which a subnode was added or removed

childNode - The preference node that was added or removed

Method Detail

getParent

public Preferences getParent()

Returns the source parent preference node from which a subnode was added or removed.

getChild

public Preferences getChild()

Returns the child preference subnode that was added or removed. To see wether it is still a valid preference node one has to call event.getChild().nodeExists("").