org.apache.commons.collections.functors

## Class NOPClosure

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

- All Implemented Interfaces:
    Serializable, Closure

      public class NOPClosure
      extends Object
      implements Closure, Serializable

  Closure implementation that does nothing.
  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

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static Closure` | `INSTANCE` Singleton predicate instance

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `execute(Object input)` Do nothing.
    `static Closure` | `getInstance()` Factory returning the singleton instance.

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

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

- - ### Field Detail

    - #### INSTANCE

          public static final Closure INSTANCE

      Singleton predicate instance

  - ### Method Detail

    - #### getInstance

          public static Closure getInstance()

      Factory returning the singleton instance.
      Returns:
        the singleton instance
      Since:
        Commons Collections 3.1

    - #### execute

          public void execute(Object input)

      Do nothing.
      Specified by:
        `execute` in interface `Closure`
      Parameters:
        `input` - the input object

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