net.emaze.dysfunctional.dispatching.delegates

Class MemoizingDelegate<R,T>

java.lang.Object

net.emaze.dysfunctional.dispatching.delegates.MemoizingDelegate<R,T>

Type Parameters:

R - the delegate result type

T - the delegate parameter type

All Implemented Interfaces:

Delegate<R,T>

public class MemoizingDelegate<R,T>
extends Object
implements Delegate<R,T>

A proxy that returns the value provided by the given delegate, evaluated only once for each parameter.

Constructor Summary

Constructors

Constructor and Description
MemoizingDelegate(Delegate<R,T> delegate)
MemoizingDelegate(Delegate<R,T> delegate, Map<T,R> cache)

Method Summary

Modifier and Type	Method and Description
R	perform(T t)

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoizingDelegate

public MemoizingDelegate(Delegate<R,T> delegate)

MemoizingDelegate

public MemoizingDelegate(Delegate<R,T> delegate,
                         Map<T,R> cache)

Method Detail

perform

public R perform(T t)

Specified by:

perform in interface Delegate<R,T>