TransformerClosure (Apache Commons Collections 4.2 API)

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

All Methods Static Methods Instance Methods Concrete Methods
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 Detail
  - 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 Detail
  - 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