Package org.apache.commons.collections4.functors

Class TransformerClosure<E>

java.lang.Object
org.apache.commons.collections4.functors.TransformerClosure<E>
All Implemented Interfaces:
Serializable, Consumer<E>, 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:

  • 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