endrov.util.lazy
Class Memoize<E>

java.lang.Object
  endrov.util.lazy.Memoize<E>

Direct Known Subclasses:

MemoizeImmediate

public abstract class Memoize<E>
extends java.lang.Object

Lazy evaluation and memoization. Haskell semantics for java.

Constructor Summary

Memoize()

Method Summary

protected abstract E	eval() Evaluate value
E	get() Get value, evaluate if required.

Methods inherited from class java.lang.Object

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

Constructor Detail

Memoize

public Memoize()

Method Detail

get

public E get()

Get value, evaluate if required. Evaluation occurs at most once

eval

protected abstract E eval()

Evaluate value