?? IOFunction<T,R>

????:
T - the type of the input to the operations.
R - the return type of the operations.
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@FunctionalInterface public interface IOFunction<T,R>
Like Function but throws IOException.
???????:
2.7
  • ????

    ??????
    ??
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    default IOConsumer<T>
    andThen(Consumer<? super R> after)
    Returns a composed IOFunction that first applies this function to its input, and then applies the after consumer to the result.
    default <V> IOFunction<T,V>
    andThen(Function<? super R,? extends V> after)
    Returns a composed IOFunction that first applies this function to its input, and then applies the after function to the result.
    default IOConsumer<T>
    andThen(IOConsumer<? super R> after)
    Returns a composed IOFunction that first applies this function to its input, and then applies the after consumer to the result.
    default <V> IOFunction<T,V>
    andThen(IOFunction<? super R,? extends V> after)
    Returns a composed IOFunction that first applies this function to its input, and then applies the after function to the result.
    apply(T t)
    Applies this function to the given argument.
    default <V> IOFunction<V,R>
    compose(Function<? super V,? extends T> before)
    Returns a composed IOFunction that first applies the before function to its input, and then applies this function to the result.
    default IOSupplier<R>
    compose(Supplier<? extends T> before)
    Returns a composed IOFunction that first applies the before function to its input, and then applies this function to the result.
    default <V> IOFunction<V,R>
    compose(IOFunction<? super V,? extends T> before)
    Returns a composed IOFunction that first applies the before function to its input, and then applies this function to the result.
    default IOSupplier<R>
    compose(IOSupplier<? extends T> before)
    Returns a composed IOFunction that first applies the before function to its input, and then applies this function to the result.
    static <T> IOFunction<T,T>
    Returns a IOFunction that always returns its input argument.
  • ??????

    • apply

      R apply(T t) throws IOException
      Applies this function to the given argument.
      ??:
      t - the function argument
      ??:
      the function result
      ??:
      IOException - if the function throws an IOException
    • compose

      default <V> IOFunction<V,R> compose(IOFunction<? super V,? extends T> before)
      Returns a composed IOFunction that first applies the before function to its input, and then applies this function to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
      ????:
      V - the type of input to the before function, and to the composed function
      ??:
      before - the function to apply before this function is applied
      ??:
      a composed function that first applies the before function and then applies this function
      ??:
      NullPointerException - if before is null
      ????:
    • compose

      default <V> IOFunction<V,R> compose(Function<? super V,? extends T> before)
      Returns a composed IOFunction that first applies the before function to its input, and then applies this function to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
      ????:
      V - the type of input to the before function, and to the composed function
      ??:
      before - the function to apply before this function is applied
      ??:
      a composed function that first applies the before function and then applies this function
      ??:
      NullPointerException - if before is null
      ????:
    • compose

      default IOSupplier<R> compose(IOSupplier<? extends T> before)
      Returns a composed IOFunction that first applies the before function to its input, and then applies this function to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
      ??:
      before - the supplier which feeds the application of this function
      ??:
      a composed function that first applies the before function and then applies this function
      ??:
      NullPointerException - if before is null
      ????:
    • compose

      default IOSupplier<R> compose(Supplier<? extends T> before)
      Returns a composed IOFunction that first applies the before function to its input, and then applies this function to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
      ??:
      before - the supplier which feeds the application of this function
      ??:
      a composed function that first applies the before function and then applies this function
      ??:
      NullPointerException - if before is null
      ????:
    • andThen

      default <V> IOFunction<T,V> andThen(IOFunction<? super R,? extends V> after)
      Returns a composed IOFunction that first applies this function to its input, and then applies the after function to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
      ????:
      V - the type of output of the after function, and of the composed function
      ??:
      after - the function to apply after this function is applied
      ??:
      a composed function that first applies this function and then applies the after function
      ??:
      NullPointerException - if after is null
      ????:
    • andThen

      default <V> IOFunction<T,V> andThen(Function<? super R,? extends V> after)
      Returns a composed IOFunction that first applies this function to its input, and then applies the after function to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
      ????:
      V - the type of output of the after function, and of the composed function
      ??:
      after - the function to apply after this function is applied
      ??:
      a composed function that first applies this function and then applies the after function
      ??:
      NullPointerException - if after is null
      ????:
    • andThen

      default IOConsumer<T> andThen(IOConsumer<? super R> after)
      Returns a composed IOFunction that first applies this function to its input, and then applies the after consumer to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
      ??:
      after - the consumer to apply after this function is applied
      ??:
      a composed function that first applies this function and then applies the after consumer
      ??:
      NullPointerException - if after is null
      ????:
    • andThen

      default IOConsumer<T> andThen(Consumer<? super R> after)
      Returns a composed IOFunction that first applies this function to its input, and then applies the after consumer to the result. If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
      ??:
      after - the consumer to apply after this function is applied
      ??:
      a composed function that first applies this function and then applies the after consumer
      ??:
      NullPointerException - if after is null
      ????:
    • identity

      static <T> IOFunction<T,T> identity()
      Returns a IOFunction that always returns its input argument.
      ????:
      T - the type of the input and output objects to the function
      ??:
      a function that always returns its input argument