org.apache.flink.util.function

Interface FunctionWithException<T,R,E extends Throwable>

Type Parameters:

T - The type of the argument to the function.

R - The type of the result of the supplier.

E - The type of Exceptions thrown by this function.

All Known Subinterfaces:

ChangelogBackendRestoreOperation.BaseBackendBuilder<K>

All Known Implementing Classes:

RefCountedTmpFileCreator

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@Public
 @FunctionalInterface
public interface FunctionWithException<T,R,E extends Throwable>

A functional interface for a Function that may throw exceptions.

Method Summary

Modifier and Type	Method and Description
R	apply(T value) Calls this function.
static <A,B> Function<A,B>	unchecked(FunctionWithException<A,B,?> functionWithException) Convert at FunctionWithException into a Function.

Method Detail

apply

R apply(T value)
 throws E extends Throwable

Calls this function.

Parameters:

value - The argument to the function.

Returns:

The result of thus supplier.

Throws:

E - This function may throw an exception.

E extends Throwable

unchecked

static <A,B> Function<A,B> unchecked(FunctionWithException<A,B,?> functionWithException)

Convert at FunctionWithException into a Function.

Type Parameters:

A - input type

B - output type

Parameters:

functionWithException - function with exception to convert into a function

Returns:

Function which throws all checked exception as an unchecked exception.