org.apache.commons.collections.functors

## Class TransformerClosure

- java.lang.Object
- - org.apache.commons.collections.functors.TransformerClosure

- All Implemented Interfaces:
    Serializable, Closure

      public class TransformerClosure
      extends Object
      implements Closure, Serializable

  Closure implementation that calls a Transformer using the input object and ignore the result.
  Since:
    Commons Collections 3.0
  Version:
    $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
  Author:
    Stephen Colebourne
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `TransformerClosure(Transformer transformer)` Constructor that performs no validation.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `execute(Object input)` Executes the closure by calling the decorated transformer.
    `static Closure` | `getInstance(Transformer transformer)` Factory method that performs validation.
    `Transformer` | `getTransformer()` Gets the transformer.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### TransformerClosure

          public TransformerClosure(Transformer transformer)

      Constructor that performs no validation. Use `getInstance` if you want that.
      Parameters:
        `transformer` - the transformer to call, not null

  - ### Method Detail

    - #### getInstance

          public static Closure getInstance(Transformer transformer)

      Factory method that performs validation.

      A null transformer will return the `NOPClosure`.

      Parameters:
        `transformer` - the transformer to call, null means nop
      Returns:
        the `transformer` closure

    - #### execute

          public void execute(Object input)

      Executes the closure by calling the decorated transformer.
      Specified by:
        `execute` in interface `Closure`
      Parameters:
        `input` - the input object

    - #### getTransformer

          public Transformer getTransformer()

      Gets the transformer.
      Returns:
        the transformer
      Since:
        Commons Collections 3.1

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