org.apache.flink.util.function

Interface BiFunctionWithException<T,U,R,E extends Throwable>

Type Parameters:

T - type of the first parameter

U - type of the second parameter

R - type of the return type

E - type of the exception which can be thrown

Functional Interface:

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

@FunctionalInterface
public interface BiFunctionWithException<T,U,R,E extends Throwable>

BiFunction interface which can throw exceptions.

Method Summary

Modifier and Type	Method and Description
R	apply(T t, U u) Apply the given values t and u to obtain the resulting value.
static <A,B,C> java.util.function.BiFunction<A,B,C>	unchecked(BiFunctionWithException<A,B,C,?> biFunctionWithException) Convert at BiFunctionWithException into a BiFunction.

Method Detail

apply

R apply(T t,
        U u)
 throws E extends Throwable

Apply the given values t and u to obtain the resulting value. The operation can throw an exception.

Parameters:

t - first parameter

u - second parameter

Returns:

result value

Throws:

E - if the operation fails

E extends Throwable

unchecked

static <A,B,C> java.util.function.BiFunction<A,B,C> unchecked(BiFunctionWithException<A,B,C,?> biFunctionWithException)

Convert at BiFunctionWithException into a BiFunction.

Type Parameters:

A - input type

B - output type

Parameters:

biFunctionWithException - function with exception to convert into a function

Returns:

BiFunction which throws all checked exception as an unchecked exception.