de.intarsys.tools.valueholder
Class NullValueHolder

java.lang.Object
  extended by 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)