net.fortytwo.ripple.query
Class Evaluator<D,R,E extends Exception>

java.lang.Object
  net.fortytwo.ripple.query.Evaluator<D,R,E>

All Implemented Interfaces:

Mapping<D,R,E>

Direct Known Subclasses:

StackEvaluator

public abstract class Evaluator<D,R,E extends Exception>
extends Object
implements Mapping<D,R,E>

A function which reduces arbitrary expressions to a particular normal form.

Constructor Summary

Evaluator()

Method Summary

boolean	isTransparent()
abstract void	stop()

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.fortytwo.flow.Mapping

apply

Constructor Detail

Evaluator

public Evaluator()

Method Detail

stop

public abstract void stop()

isTransparent

public boolean isTransparent()

Specified by:

isTransparent in interface Mapping<D,R,E extends Exception>

Returns:

whether this function is referentially transparent w.r.t. all of its parameters.