jpaul.Misc
Class CachedFunction<TArg,TRes>

java.lang.Object
  jpaul.Misc.Function<TArg,TRes>
      jpaul.Misc.CachedFunction<TArg,TRes>

public class CachedFunction<TArg,TRes>
extends Function<TArg,TRes>

CachedFunction is a caching wrapper around a (presumably pure) function.

Version:

$Id: CachedFunction.java,v 1.6 2006/03/14 02:29:31 salcianu Exp $

Author:

Alexandru Salcianu - salcianu@alum.mit.edu

Constructor Summary

CachedFunction(Function<TArg,TRes> func)
Constructs a caching wrapper around the function func.

Method Summary

TRes	f(TArg arg) Takes a TRes and returns a TArg.

Methods inherited from class jpaul.Misc.Function

comp

Methods inherited from class java.lang.Object

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

Constructor Detail

CachedFunction

public CachedFunction(Function<TArg,TRes> func)

Constructs a caching wrapper around the function func. func should be (observationally) pure (we have no way of checking this, so impure functions are likely to result in hard to find errors).

Method Detail

f

public TRes f(TArg arg)

Description copied from class: Function

Takes a TRes and returns a TArg. The real function!

Specified by:

f in class Function<TArg,TRes>