Class TransformerPredicate

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

    public final class TransformerPredicate
    extends java.lang.Object
    implements Predicate, java.io.Serializable
    Predicate implementation that returns the result of a transformer.
    Since:
    Commons Collections 3.0
    Version:
    $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
    See Also:
    Serialized Form
    • Field Detail

      • serialVersionUID

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

        private final Transformer iTransformer
        The transformer to call
    • Constructor Detail

      • TransformerPredicate

        public TransformerPredicate​(Transformer transformer)
        Constructor that performs no validation. Use getInstance if you want that.
        Parameters:
        transformer - the transformer to decorate
    • Method Detail

      • getInstance

        public static Predicate getInstance​(Transformer transformer)
        Factory to create the predicate.
        Parameters:
        transformer - the transformer to decorate
        Returns:
        the predicate
        Throws:
        java.lang.IllegalArgumentException - if the transformer is null
      • evaluate

        public boolean evaluate​(java.lang.Object object)
        Evaluates the predicate returning the result of the decorated transformer.
        Specified by:
        evaluate in interface Predicate
        Parameters:
        object - the input object
        Returns:
        true if decorated transformer returns Boolean.TRUE
        Throws:
        FunctorException - if the transformer returns an invalid type
      • getTransformer

        public Transformer getTransformer()
        Gets the transformer.
        Returns:
        the transformer
        Since:
        Commons Collections 3.1