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()
    Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
    boolean
    equals(Object o)
    Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    May cause performance issues, deadlocks and hangs.
    final Class<? extends Object>
    getClass()
    Answers the unique instance of java.lang.Class which represents the class of the receiver.
    int
    hashCode()
    Answers an integer hash code for the receiver.
    final void
    notify()
    Causes one thread which is waiting on the receiver to be made ready to run.
    final void
    notifyAll()
    Causes all threads which are waiting on the receiver to be made ready to run.
    final void
    wait()
    Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
    final void
    wait(long time)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
    final void
    wait(long time, int frac)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

  • 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.