Package org.apache.commons.collections.functors

Class FactoryTransformer

  • All Implemented Interfaces:
    java.io.Serializable, Transformer
    public class FactoryTransformer
extends java.lang.Object
implements Transformer, java.io.Serializable
    Transformer implementation that calls a Factory and returns the result.
    Since:
    Commons Collections 3.0
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      FactoryTransformer​(Factory factory)
      Constructor that performs no validation.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      Factory getFactory()
      Gets the factory.
      static Transformer getInstance​(Factory factory)
      Factory method that performs validation.
      java.lang.Object transform​(java.lang.Object input)
      Transforms the input by ignoring the input and returning the result of calling the decorated factory.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • FactoryTransformer

        public FactoryTransformer​(Factory factory)
        Constructor that performs no validation. Use getInstance if you want that.
        Parameters:
        factory - the factory to call, not null

    • Method Detail

      • getInstance

        public static Transformer getInstance​(Factory factory)
        Factory method that performs validation.
        Parameters:
        factory - the factory to call, not null
        Returns:
        the factory transformer
        Throws:
        java.lang.IllegalArgumentException - if the factory is null

      • transform

        public java.lang.Object transform​(java.lang.Object input)
        Transforms the input by ignoring the input and returning the result of calling the decorated factory.
        Specified by:
        transform in interface Transformer
        Parameters:
        input - the input object to transform
        Returns:
        the transformed result

      • getFactory

        public Factory getFactory()
        Gets the factory.
        Returns:
        the factory
        Since:
        Commons Collections 3.1