net.sf.jga.fn.algorithm
Class TransformUnary<T,R>

java.lang.Object
  net.sf.jga.fn.UnaryFunctor<java.util.Iterator<? extends T>,TransformIterator<T,R>>
      net.sf.jga.fn.algorithm.TransformUnary<T,R>

All Implemented Interfaces:

java.io.Serializable, Visitable

public class TransformUnary<T,R>
extends UnaryFunctor<java.util.Iterator<? extends T>,TransformIterator<T,R>>

Applies a UnaryFunctor to every element in an iteration, and iterates over the results.

Copyright © 2003 David A. Hall

Author:

David A. Hall

See Also:

Serialized Form

Nested Class Summary

static interface

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

Constructor Summary

TransformUnary(UnaryFunctor<T,R> fn)
Builds an TransformUnary functor that will apply the given functor to elements in an iteration.

Method Summary

void	accept(Visitor v) Calls the Visitor's visit(TransformUnary) method, if it implements the nested Visitor interface.
TransformIterator<T,R>	fn(java.util.Iterator<? extends T> iterator) Apply the functor to each element in the iteration and return an iterator over the results
UnaryFunctor<T,R>	getFunction() Returns the functor used to process elements in an iteration.
java.lang.String	toString()

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

bind, compose, compose, generate

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformUnary

public TransformUnary(UnaryFunctor<T,R> fn)

Builds an TransformUnary functor that will apply the given functor to elements in an iteration.

Throws:

java.lang.IllegalArgumentException - if the functor is null

Method Detail

getFunction

public UnaryFunctor<T,R> getFunction()

Returns the functor used to process elements in an iteration.

fn

public TransformIterator<T,R> fn(java.util.Iterator<? extends T> iterator)

Apply the functor to each element in the iteration and return an iterator over the results

Specified by:

fn in class UnaryFunctor<java.util.Iterator<? extends T>,TransformIterator<T,R>>

Returns:

an iterator over the results of the transformation

accept

public void accept(Visitor v)

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

Specified by:

accept in interface Visitable

Overrides:

accept in class UnaryFunctor<java.util.Iterator<? extends T>,TransformIterator<T,R>>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object