Package com.hybris.merchandising.function

Interface FunctionWithExceptions<T,R,E extends java.lang.Exception>

Type Parameters:

T - the argument being passed to the function.

R - the result of the function.

E - the Exception thrown by the function.

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 FunctionWithExceptions<T,R,E extends java.lang.Exception>

Functional interface used to wrap lambdas to add support for Exception handling.

Method Summary

Modifier and Type	Method	Description
R	apply(T t)	Calls the function.
static <T,R,E extends java.lang.Exception> java.util.function.Function<T,R>	rethrowFunction(FunctionWithExceptions<T,R,E> function)	Applies the function.
static <E extends java.lang.Throwable> void	throwAsUnchecked(java.lang.Exception exception)	Wrapper for Exception handling.
static <T,R,E extends java.lang.Exception> R	uncheck(FunctionWithExceptions<T,R,E> function, T t)	Applies the function.

Method Detail

apply

R apply(T t)
 throws E extends java.lang.Exception

Calls the function.

Parameters:

t - the argument being passed to the function.

Returns:

the result of the function.

Throws:

E - in case of Exception.

E extends java.lang.Exception

rethrowFunction

static <T,R,E extends java.lang.Exception> java.util.function.Function<T,R> rethrowFunction(FunctionWithExceptions<T,R,E> function)
                                                                                                       throws E extends java.lang.Exception

Applies the function.

Parameters:

function - the function to apply.

Returns:

the result of the function.

Throws:

E - in case of Exception.

E extends java.lang.Exception

uncheck

static <T,R,E extends java.lang.Exception> R uncheck(FunctionWithExceptions<T,R,E> function,
                                                                 T t)

Applies the function.

Parameters:

function - the function to apply.

t - the parameter of the function.

Returns:

the result of the function.

throwAsUnchecked

static <E extends java.lang.Throwable> void throwAsUnchecked(java.lang.Exception exception)
                                                      throws E extends java.lang.Throwable

Wrapper for Exception handling.

Parameters:

exception - the original Exception.

Throws:

E - , the Exception cast to the class we wish to return.

E extends java.lang.Throwable