Package org.apache.commons.collections4.functors

Class TransformerClosure<T>

java.lang.Object

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

Type Parameters:

T - the type of the input to the operation.

All Implemented Interfaces:

Serializable, Consumer<T>, Closure<T>

public class TransformerClosure<T>
extends Object
implements Closure<T>, 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 T,?> transformer)	Constructor that performs no validation.

Method Summary

Modifier and Type	Method	Description
void	execute(T input)	Executes the closure by calling the decorated transformer.
Transformer<? super T,?>	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

Methods inherited from interface org.apache.commons.collections4.Closure

accept

Methods inherited from interface java.util.function.Consumer

andThen

Constructor Details

TransformerClosure

public TransformerClosure(Transformer<? super T,?> 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(T input)

Executes the closure by calling the decorated transformer.

Specified by:

execute in interface Closure<T>

Parameters:

input - the input object

getTransformer

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

Gets the transformer.

Returns:

the transformer

Since:

3.1