org.apache.commons.collections.functors
Class TransformerClosure

java.lang.Object
  org.apache.commons.collections.functors.TransformerClosure

All Implemented Interfaces:

java.io.Serializable, Closure

public class TransformerClosure
extends java.lang.Object
implements Closure, java.io.Serializable

Closure implementation that calls a Transformer using the input object and ignore the result.

Since:

Commons Collections 3.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $

Author:

Stephen Colebourne

See Also:

Serialized Form

Constructor Summary

TransformerClosure(Transformer transformer)
Constructor that performs no validation.

Method Summary

void	execute(java.lang.Object input) Executes the closure by calling the decorated transformer.
static Closure	getInstance(Transformer transformer) Factory method that performs validation.
Transformer	getTransformer() Gets the transformer.

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformerClosure

public TransformerClosure(Transformer transformer)

Constructor that performs no validation. Use getInstance if you want that.

Parameters:

transformer - the transformer to call, not null

Method Detail

getInstance

public static Closure getInstance(Transformer transformer)

Factory method that performs validation.

A null transformer will return the NOPClosure.

Parameters:

transformer - the transformer to call, null means nop

Returns:

the transformer closure

execute

public void execute(java.lang.Object input)

Executes the closure by calling the decorated transformer.

Specified by:

execute in interface Closure

Parameters:

input - the input object

getTransformer

public Transformer getTransformer()

Gets the transformer.

Returns:

the transformer

Since:

Commons Collections 3.1