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:
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 |
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 |
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 |
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 |
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.
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