org.jboss.shotoku.cache
Class ValueChange<T>

java.lang.Object
  org.jboss.shotoku.cache.ValueChange<T>

public class ValueChange<T>
extends java.lang.Object

A class which represents either a change of value, and holds the new value, or no value change. Instances can be obtained using the noChange() and changeTo(Object) methods.

Author:

Adam Warski

Method Summary

static <T> ValueChange<T>	changeTo(T newValue)
T	getValue()
boolean	hasValue()
static <T> ValueChange<T>	noChange()

Methods inherited from class java.lang.Object

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

Method Detail

noChange

public static <T> ValueChange<T> noChange()

changeTo

public static <T> ValueChange<T> changeTo(T newValue)

getValue

public T getValue()

hasValue

public boolean hasValue()