org.apache.commons.functor.generator.util
Class CollectionTransformer<E>

java.lang.Object
  org.apache.commons.functor.generator.util.CollectionTransformer<E>

All Implemented Interfaces:

Functor, UnaryFunction<Generator<? extends E>,java.util.Collection<? super E>>, UnaryFunctor<Generator<? extends E>>

public class CollectionTransformer<E>
extends java.lang.Object
implements UnaryFunction<Generator<? extends E>,java.util.Collection<? super E>>

Transforms a generator into a collection. If a collection is not passed into the constructor an ArrayList will be returned from the transform method.

Since:

1.0

Version:

$Revision: 666345 $ $Date: 2008-06-10 17:13:44 -0500 (Tue, 10 Jun 2008) $

Author:

Jason Horman (jason@jhorman.org)

Constructor Summary

CollectionTransformer()
Create a new CollectionTransformer.

CollectionTransformer(java.util.Collection<? super E> toFill)
Create a new CollectionTransformer.

Method Summary

java.util.Collection<E>

evaluate(Generator<? extends E> generator) Evaluate this function.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.commons.functor.Functor

equals, hashCode, toString

Constructor Detail

CollectionTransformer

public CollectionTransformer()

Create a new CollectionTransformer.

CollectionTransformer

public CollectionTransformer(java.util.Collection<? super E> toFill)

Create a new CollectionTransformer.

Parameters:

toFill - Collection to fill

Method Detail

evaluate

public java.util.Collection<E> evaluate(Generator<? extends E> generator)

Evaluate this function.

Specified by:

evaluate in interface UnaryFunction<Generator<? extends E>,java.util.Collection<? super E>>

Parameters:

generator - the A object to evaluate

Returns:

the T result of this evaluation