Method Detail

• test

  OptionalBoolean test(T t,
                       U u)

  Variation of BiPredicate.test(Object, Object) that returns OptionalBoolean. If this OptionalBiPredicate is obtained from ExceptionHandler.fromBiPredicate(BiPredicate), the OptionalBoolean will be empty only if the underlying BiPredicate throws. Otherwise the returned OptionalBoolean just wraps the return value of underlying BiPredicate.

  Parameters:

  t - see BiPredicate.test(Object, Object)

  u - see BiPredicate.test(Object, Object)

  Returns:

  OptionalBoolean typically wrapping return value of BiPredicate.test(Object, Object), or an empty OptionalBoolean (typically signifying an exception)

  See Also:

  ExceptionHandler.fromBiPredicate(BiPredicate), BiPredicate.test(Object, Object)

• orElse

  default BiPredicate<T,U> orElse(boolean result)

  Converts this OptionalBiPredicate to plain BiPredicate using default value. The returned BiPredicate will unwrap present value from the OptionalBoolean if possible, or return result if the OptionalBoolean is empty.

  Parameters:

  result - default value to return instead of an empty OptionalBoolean

  Returns:

  plain BiPredicate that either unwraps OptionalBoolean or returns default value

  See Also:

  orElseGet(BooleanSupplier), OptionalBoolean.orElse(boolean)

• orElseGet

  default BiPredicate<T,U> orElseGet(BooleanSupplier source)

  Converts this OptionalBiPredicate to plain BiPredicate using fallback BooleanSupplier. The returned BiPredicate will unwrap present value from the OptionalBoolean if possible, or fall back to calling source if the OptionalBoolean is empty.

  Parameters:

  source - BooleanSupplier to query for fallback value when OptionalBoolean is empty

  Returns:

  plain BiPredicate that either unwraps OptionalBoolean or falls back to source

  See Also:

  orElse(boolean), OptionalBoolean.orElseGet(BooleanSupplier)