Class NotPredicate<T>

    • Constructor Summary

      Constructors 
      Constructor Description
      NotPredicate​(Predicate<? super T> predicate)
      Constructor that performs no validation.
    • Constructor Detail

      • NotPredicate

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

      • notPredicate

        public static <T> Predicate<T> notPredicate​(Predicate<? super T> predicate)
        Factory to create the not predicate.
        Type Parameters:
        T - the type that the predicate queries
        Parameters:
        predicate - the predicate to decorate, not null
        Returns:
        the predicate
        Throws:
        java.lang.NullPointerException - if the predicate is null
      • evaluate

        public boolean evaluate​(T object)
        Evaluates the predicate returning the opposite to the stored predicate.
        Specified by:
        evaluate in interface Predicate<T>
        Parameters:
        object - the input object
        Returns:
        true if predicate returns false