net.cscott.sdr.calls.transform
Class Evaluator.EvaluatorChain

java.lang.Object
  net.cscott.sdr.calls.transform.Evaluator
      net.cscott.sdr.calls.transform.Evaluator.EvaluatorChain

Enclosing class:

Evaluator

public static class Evaluator.EvaluatorChain
extends Evaluator

Chains multiple evaluators together. Used to implement Seq.

Nested Class Summary

Nested classes/interfaces inherited from class net.cscott.sdr.calls.transform.Evaluator

Evaluator.EvaluatorChain, Evaluator.Standard

Constructor Summary

Evaluator.EvaluatorChain(Evaluator head, Evaluator next)

Method Summary

Evaluator

evaluate(DanceState ds) Do "one part" of the continuation, and return an Evaluator which will do the remaining parts, or null if there are no additional parts to evaluate.

Methods inherited from class net.cscott.sdr.calls.transform.Evaluator

evaluateAll, parseAndEval

Methods inherited from class java.lang.Object

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

Constructor Detail

Evaluator.EvaluatorChain

public Evaluator.EvaluatorChain(Evaluator head,
                                Evaluator next)

Method Detail

evaluate

public Evaluator evaluate(DanceState ds)

Description copied from class: Evaluator

Do "one part" of the continuation, and return an Evaluator which will do the remaining parts, or null if there are no additional parts to evaluate.

Specified by:

evaluate in class Evaluator

Parameters:

ds - The dynamic dance state. Accumulates dancer actions and movements and tracks static dance information like the level of the dance.

Returns:

An Evaluator for the remaining parts, or null.