net.sf.jga.fn.arithmetic
Class Average<T extends java.lang.Number>

java.lang.Object
  net.sf.jga.fn.Functor<R>
      net.sf.jga.fn.UnaryFunctor<java.util.Iterator<T>,T>
          net.sf.jga.fn.arithmetic.Average<T>

All Implemented Interfaces:

java.io.Serializable, Visitable

public class Average<T extends java.lang.Number>
extends UnaryFunctor<java.util.Iterator<T>,T>

Averages numeric values in an iteration.

Copyright © 2005 David A. Hall

Author:

David A. Hall

See Also:

Serialized Form

Nested Class Summary

static interface

Average.Visitor Interface for classes that may interpret an Average functor.

Constructor Summary

Average(java.lang.Class<T> type)
Builds a functor that averages numeric values in an iteration

Method Summary

void	accept(Visitor v) Calls the Visitor's visit(Average) method, if it implements the nested Visitor interface.
T	fn(java.util.Iterator<T> iterator) Returns the average of the elements in the iteration
java.lang.String	toString()

Methods inherited from class net.sf.jga.fn.UnaryFunctor

bind, bind0th, bindNth, compose, compose, compose, composeNth, composeNth, eval, generate, generateNth

Methods inherited from class java.lang.Object

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

Constructor Detail

Average

public Average(java.lang.Class<T> type)

Builds a functor that averages numeric values in an iteration

Method Detail

fn

public T fn(java.util.Iterator<T> iterator)

Returns the average of the elements in the iteration

Specified by:

fn in class UnaryFunctor<java.util.Iterator<T extends java.lang.Number>,T extends java.lang.Number>

accept

public void accept(Visitor v)

Calls the Visitor's visit(Average) method, if it implements the nested Visitor interface.

Specified by:

accept in interface Visitable

Overrides:

accept in class Functor<T extends java.lang.Number>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object