Class NOPTransformer

  • All Implemented Interfaces:
    java.io.Serializable, Transformer

    public class NOPTransformer
    extends java.lang.Object
    implements Transformer, java.io.Serializable
    Transformer implementation that does nothing.
    Since:
    Commons Collections 3.0
    Version:
    $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
    See Also:
    Serialized Form
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      private NOPTransformer()
      Constructor
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static Transformer getInstance()
      Factory returning the singleton instance.
      java.lang.Object transform​(java.lang.Object input)
      Transforms the input to result by doing nothing.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • serialVersionUID

        private static final long serialVersionUID
        Serial version UID
        See Also:
        Constant Field Values
      • INSTANCE

        public static final Transformer INSTANCE
        Singleton predicate instance
    • Constructor Detail

      • NOPTransformer

        private NOPTransformer()
        Constructor
    • Method Detail

      • getInstance

        public static Transformer getInstance()
        Factory returning the singleton instance.
        Returns:
        the singleton instance
        Since:
        Commons Collections 3.1
      • transform

        public java.lang.Object transform​(java.lang.Object input)
        Transforms the input to result by doing nothing.
        Specified by:
        transform in interface Transformer
        Parameters:
        input - the input object to transform
        Returns:
        the transformed result which is the input