Package org.apache.commons.collections4.functors

Class TransformerClosure<E>

java.lang.Object

org.apache.commons.collections4.functors.TransformerClosure<E>

All Implemented Interfaces:

Serializable, Closure<E>

public class TransformerClosure<E>
extends Object
implements Closure<E>, Serializable

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

Since:

3.0

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
TransformerClosure(Transformer<? super E,?> transformer)	Constructor that performs no validation.

Method Summary

Modifier and Type	Method	Description
void	execute(E input)	Executes the closure by calling the decorated transformer.
Transformer<? super E,?>	getTransformer()	Gets the transformer.
static <E> Closure<E>	transformerClosure(Transformer<? super E,?> transformer)	Factory method that performs validation.

Methods inherited from class java.lang.Object

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

Constructor Details

TransformerClosure

public TransformerClosure(Transformer<? super E,?> transformer)

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

Parameters:

transformer - the transformer to call, not null

Method Details

transformerClosure

public static <E> Closure<E> transformerClosure(Transformer<? super E,?> transformer)

Factory method that performs validation.

A null transformer will return the NOPClosure.

Type Parameters:

E - the type that the closure acts on

Parameters:

transformer - the transformer to call, null means nop

Returns:

the transformer closure

execute

public void execute(E input)

Executes the closure by calling the decorated transformer.

Specified by:

execute in interface Closure<E>

Parameters:

input - the input object

getTransformer

public Transformer<? super E,?> getTransformer()

Gets the transformer.

Returns:

the transformer

Since:

3.1