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

    Constructors
    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.