Class NullIsTruePredicate

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

    @Deprecated(since="2021-04-30")
    public final class NullIsTruePredicate
    extends java.lang.Object
    implements Predicate, PredicateDecorator, java.io.Serializable
    Deprecated.
    Commons Collections 3 is in maintenance mode. Commons Collections 4 should be used instead.
    Predicate implementation that returns true if the input is null.
    Since:
    Commons Collections 3.0
    See Also:
    Serialized Form
    • Constructor Detail

      • NullIsTruePredicate

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

        public Predicate[] getPredicates()
        Deprecated.
        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