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Class NodeChangeEvent

java.lang.Object
java.util.EventObject
java.util.prefs.NodeChangeEvent
All Implemented Interfaces:
Serializable
public class NodeChangeEvent extends EventObject
An event emitted by a Preferences node to indicate that a child of that node has been added or removed.

Note, that although NodeChangeEvent inherits Serializable interface from java.util.EventObject, it is not intended to be Serializable. Appropriate serialization methods are implemented to throw NotSerializableException.

Since:
1.4
See Also:
  • Preferences
  • NodeChangeListener
  • PreferenceChangeEvent

Field Summary

Fields declared in class EventObject

source
Modifier and Type Field Description
protected Object source
The object on which the Event initially occurred.

Constructor Summary

Constructor Description
NodeChangeEvent(Preferences parent, Preferences child)
Constructs a new NodeChangeEvent instance.

Method Summary

Modifier and Type Method Description
Preferences getChild()
Returns the node that was added or removed.
Preferences getParent()
Returns the parent of the node that was added or removed.

Methods declared in class EventObject

getSource, toString
Modifier and Type Method Description
Object getSource()
The object on which the Event initially occurred.
String toString()
Returns a String representation of this EventObject.

Methods declared in class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Modifier and Type Method Description
protected Object clone()
Creates and returns a copy of this object.
boolean equals(Object obj)
Indicates whether some other object is "equal to" this one.
protected void finalize()
Deprecated, for removal: This API element is subject to removal in a future version.
Finalization is deprecated and subject to removal in a future release.
final Class<?> getClass()
Returns the runtime class of this Object.
int hashCode()
Returns a hash code value for this object.
final void notify()
Wakes up a single thread that is waiting on this object's monitor.
final void notifyAll()
Wakes up all threads that are waiting on this object's monitor.
final void wait()
Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Constructor Details

NodeChangeEvent

public NodeChangeEvent(Preferences parent, Preferences child)
Constructs a new NodeChangeEvent instance.
Parameters:
parent - The parent of the node that was added or removed.
child - The node that was added or removed.

Method Details

getParent

public Preferences getParent()
Returns the parent of the node that was added or removed.
Returns:
The parent Preferences node whose child was added or removed

getChild

public Preferences getChild()
Returns the node that was added or removed.
Returns:
The node that was added or removed.

Report a bug or suggest an enhancement
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