de.intarsys.tools.valueholder
Class NullValueHolder

java.lang.Object
  de.intarsys.tools.valueholder.NullValueHolder

All Implemented Interfaces:

IValueHolder

public class NullValueHolder
extends java.lang.Object
implements IValueHolder

Constructor Summary

NullValueHolder()

Method Summary

java.lang.Object	get() Dereference the IValueHolder.
java.lang.Object	set(java.lang.Object newValue) Assign a new value.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullValueHolder

public NullValueHolder()

Method Detail

get

public java.lang.Object get()

Description copied from interface: IValueHolder

Dereference the IValueHolder.

Specified by:

get in interface IValueHolder

Returns:

The referenced object.

set

public java.lang.Object set(java.lang.Object newValue)

Description copied from interface: IValueHolder

Assign a new value.

Specified by:

set in interface IValueHolder

Returns:

The previous value (optional)