T
- the type of the input to the functionR
- the type of the result of the functionE
- the type of the exception thrown by the function method@FunctionalInterface public interface CheckedFunction<T,R,E extends Throwable>
This is a functional interface whose functional method is apply(Object)
.
Modifier and Type | Method and Description |
---|---|
default <V> CheckedFunction<T,V,E> |
andThen(Function<? 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)
Applies this function to the given argument.
|
default <V> CheckedFunction<V,R,E> |
compose(Function<? 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> Function<T,T> |
identity()
Returns a function that always returns its input argument.
|
default <V> CheckedFunction<V,R,E> compose(Function<? super V,? extends T> before) throws E extends Throwable
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 nullE extends Throwable
andThen(Function)
default <V> CheckedFunction<T,V,E> andThen(Function<? 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(Function)
static <T> Function<T,T> identity()
T
- the type of the input and output objects to the functionCopyright © 2023. All rights reserved.