Class NotPredicate

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

    public final class NotPredicate
    extends java.lang.Object
    implements Predicate, PredicateDecorator, java.io.Serializable
    Predicate implementation that returns the opposite of the decorated predicate.
    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 
      Constructor Description
      NotPredicate​(Predicate predicate)
      Constructor that performs no validation.
    • Field Detail

      • serialVersionUID

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

        private final Predicate iPredicate
        The predicate to decorate
    • Constructor Detail

      • NotPredicate

        public NotPredicate​(Predicate predicate)
        Constructor that performs no validation. Use getInstance if you want that.
        Parameters:
        predicate - the predicate to call after the null check
    • Method Detail

      • getInstance

        public static Predicate getInstance​(Predicate predicate)
        Factory to create the not predicate.
        Parameters:
        predicate - the predicate to decorate, not null
        Returns:
        the predicate
        Throws:
        java.lang.IllegalArgumentException - if the predicate is null
      • evaluate

        public boolean evaluate​(java.lang.Object object)
        Evaluates the predicate returning the opposite to the stored predicate.
        Specified by:
        evaluate in interface Predicate
        Parameters:
        object - the input object
        Returns:
        true if predicate returns false
      • getPredicates

        public Predicate[] getPredicates()
        Gets the predicate being decorated.
        Specified by:
        getPredicates in interface PredicateDecorator
        Returns:
        the predicate as the only element in an array
        Since:
        Commons Collections 3.1