Package art.cutils.function

Interface ThrowingFunction<T,R>

Type Parameters:

T - the type of the input to the function

R - the type of the result of the function

All Known Subinterfaces:

ThrowingUnaryOperation<T>

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 ThrowingFunction<T,R>

When you find yourself in a situation where you need to use a method ( that throws an exception) withing Lambda, this class is what you need to achieve your goal without Java complaining.

The class Represents a function that accepts one argument and produces a result. whose functional method is apply(Object).

Since:

1.0

Author:

, Bobai Kato

Method Summary

Modifier and Type	Method	Description
R	apply(T t)	Applies this function to the given argument.
static <T extends Exception,R> R	sneakyThrow(Exception ex)	Sneak exception on function execution.
static <T,R> @NotNull Function<T,R>	unchecked(ThrowingFunction<T,R> function)	Uncheck method which will take operation that will throw Exception.

Method Detail

unchecked

@NotNull
static <T,R> @NotNull Function<T,R> unchecked(ThrowingFunction<T,R> function)

Uncheck method which will take operation that will throw Exception.

Type Parameters:

T - the type of the input to the function

R - the type of the result of the function

Parameters:

function - Variable of ThrowingFunction

Returns:

A Function

apply

R apply(T t)
 throws Exception

Applies this function to the given argument.

Parameters:

t - the function argument if Type T

Returns:

the function result

Throws:

Exception - any exception thrown when applying function

sneakyThrow

@Contract(value="_ -> fail",
          pure=true)
static <T extends Exception,R> R sneakyThrow(Exception ex)
                                            throws T extends Exception

Sneak exception on function execution.

Type Parameters:

T - arg type

R - return type

Parameters:

ex - exception throw on operation

Returns:

an exception

Throws:

T - arg type exception

T extends Exception