Class NullIsTruePredicate<T>

    • Constructor Detail

      • NullIsTruePredicate

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

      • nullIsTruePredicate

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

        public boolean evaluate​(T object)
        Evaluates the predicate returning the result of the decorated predicate once a null check is performed.
        Specified by:
        evaluate in interface Predicate<T>
        Parameters:
        object - the input object
        Returns:
        true if decorated predicate returns true or input is null
      • getPredicates

        public Predicate<? super T>[] getPredicates()
        Gets the predicate being decorated.
        Specified by:
        getPredicates in interface PredicateDecorator<T>
        Returns:
        the predicate as the only element in an array
        Since:
        3.1