net.sf.collections15.functors.transformer
Class NOPTransformer<E>

java.lang.Object
  net.sf.collections15.functors.transformer.NOPTransformer<E>

All Implemented Interfaces:

java.io.Serializable, Transformer<E,E>

public class NOPTransformer<E>
extends java.lang.Object
implements Transformer<E,E>, java.io.Serializable

Transformer implementation that does nothing.

Since:

Collections15 1.0

Author:

Stephen Colebourne, Chris Lambrou (port to Java 5.0)

See Also:

Serialized Form

Constructor Summary

protected

NOPTransformer() Creates a new instance.

Method Summary

static <T> NOPTransformer<T>	getInstance() Returns an instance of NOPTransformer.
E	transform(E input) Transforms the input to result by doing nothing.

Methods inherited from class java.lang.Object

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

Constructor Detail

NOPTransformer

protected NOPTransformer()

Creates a new instance.

Method Detail

getInstance

public static <T> NOPTransformer<T> getInstance()

Returns an instance of NOPTransformer.

Returns:

An instance of NOPTransformer.

Since:

Collections15 1.0

transform

public E transform(E input)

Transforms the input to result by doing nothing.

Specified by:

transform in interface Transformer<E,E>

Parameters:

input - The input object to transform.

Returns:

The input object.