Package org.apache.commons.collections4.functors

Class CloneTransformer<T>

  • Type Parameters:
    T - the type of the input and result to the function.
    All Implemented Interfaces:
    java.util.function.Function<T,​T>, Transformer<T,​T>
    public class CloneTransformer<T>
extends java.lang.Object
implements Transformer<T,​T>
    Transformer implementation that returns a clone of the input object.

    Clone is performed using PrototypeFactory.prototypeFactory(input).create().

    WARNING: from v4.1 onwards this class will not be serializable anymore in order to prevent potential remote code execution exploits. Please refer to COLLECTIONS-580 for more details.

    Since:
    3.0

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static Transformer INSTANCE
      Singleton predicate instance

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static <T> Transformer<T,​T> cloneTransformer()
      Factory returning the singleton instance.
      T transform​(T input)
      Transforms the input to result by cloning it.

      • Methods inherited from class java.lang.Object

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

      • Methods inherited from interface java.util.function.Function

        andThen, compose

      • Methods inherited from interface org.apache.commons.collections4.Transformer

        apply

    • Method Detail

      • cloneTransformer

        public static <T> Transformer<T,​T> cloneTransformer()
        Factory returning the singleton instance.
        Type Parameters:
        T - the type of the objects to be cloned
        Returns:
        the singleton instance
        Since:
        3.1

      • transform

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