org.tigris.gef.util
Class FunctorIdentity

java.lang.Object
  org.tigris.gef.util.FunctorIdentity

All Implemented Interfaces:

java.io.Serializable, Functor

public class FunctorIdentity
extends java.lang.Object
implements Functor

A useful implementation of interface Functor that simply returns the same object that was passed to it. Use this class when you want to use a method that takes a Functor, but you do not actually want to apply any function.

See Also:

Serialized Form

Constructor Summary

FunctorIdentity()

Method Summary

java.lang.Object

apply(java.lang.Object x)

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctorIdentity

public FunctorIdentity()

Method Detail

apply

public java.lang.Object apply(java.lang.Object x)

Specified by:

apply in interface Functor