Class ClosureTransformer<T>

java.lang.Object
org.apache.commons.collections4.functors.ClosureTransformer<T>
All Implemented Interfaces:
Serializable, Transformer<T,T>
public class ClosureTransformer<T> extends Object implements Transformer<T,T>, Serializable
Transformer implementation that calls a Closure using the input object and then returns the input.
Since:
3.0
See Also:

  • Field Details

    • serialVersionUID

      private static final long serialVersionUID
      Serial version UID
      See Also:

    • iClosure

      private final Closure<? super T> iClosure
      The closure to wrap

  • Constructor Details

    • ClosureTransformer

      public ClosureTransformer(Closure<? super T> closure)
      Constructor that performs no validation. Use closureTransformer if you want that.
      Parameters:
      closure - the closure to call, not null

  • Method Details

    • closureTransformer

      public static <T> Transformer<T,T> closureTransformer(Closure<? super T> closure)
      Factory method that performs validation.
      Type Parameters:
      T - the type of the object to transform
      Parameters:
      closure - the closure to call, not null
      Returns:
      the closure transformer
      Throws:
      NullPointerException - if the closure is null

    • transform

      public T transform(T input)
      Transforms the input to result by executing a closure.
      Specified by:
      transform in interface Transformer<T,T>
      Parameters:
      input - the input object to transform
      Returns:
      the transformed result

    • getClosure

      public Closure<? super T> getClosure()
      Gets the closure.
      Returns:
      the closure
      Since:
      3.1