Enum Tristate

    • Enum Constant Detail

      • TRUE

        public static final Tristate TRUE
        A value indicating a positive setting.
      • FALSE

        public static final Tristate FALSE
        A value indicating a negative (negated) setting.
      • UNDEFINED

        public static final Tristate UNDEFINED
        A value indicating a non-existent setting.
    • Method Detail

      • values

        public static Tristate[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:
        for (Tristate c : Tristate.values())
            System.out.println(c);
        
        Returns:
        an array containing the constants of this enum type, in the order they are declared
      • valueOf

        public static Tristate valueOf​(String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        IllegalArgumentException - if this enum type has no constant with the specified name
        NullPointerException - if the argument is null
      • fromBoolean

        public static Tristate fromBoolean​(boolean val)
        Returns a Tristate from a boolean.
        Parameters:
        val - the boolean value
        Returns:
        TRUE or FALSE, if the value is true or false, respectively.
      • asBoolean

        public boolean asBoolean()
        Returns the value of the Tristate as a boolean.

        A value of UNDEFINED converts to false.

        Returns:
        a boolean representation of the Tristate.