T - Type of inputR - Type of output@FunctionalInterface public interface IOFunction<T,R>
IOException in the
process| Modifier and Type | Method and Description |
|---|---|
default <V> IOFunction<T,V> |
andThen(IOFunction<? super R,? extends V> after)
Returns a composed function that first applies this function to its input, and then applies the
after
function to the result. |
R |
apply(T t) |
default <V> IOFunction<V,R> |
compose(IOFunction<? super V,? extends T> before)
Returns a composed function that first applies the
before function to its input, and then applies this
function to the result. |
static <T> IOFunction<T,T> |
identity()
Returns a function that always returns its input argument.
|
R apply(T t) throws IOException
IOExceptiondefault <V> IOFunction<V,R> compose(IOFunction<? super V,? extends T> before)
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 functionbefore - the function to apply before this function is appliedbefore function and then applies
this functionNullPointerException - if before is nullandThen(IOFunction)default <V> IOFunction<T,V> andThen(IOFunction<? super R,? extends V> after)
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 functionafter - the function to apply after this function is appliedafter functionNullPointerException - if after is nullcompose(IOFunction)static <T> IOFunction<T,T> identity()
T - the type of the input and output objects to the functionCopyright © 2018–2020 The Apache Software Foundation. All rights reserved.