org.jooby.funzy

Interface Throwing.Supplier<V>

Type Parameters:

V - Result type.

All Superinterfaces:

Supplier<V>

Enclosing class:

Throwing

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 static interface Throwing.Supplier<V>
extends Supplier<V>

Throwable version of Supplier.

Method Summary

Modifier and Type	Method and Description
default V	get()
default <X extends Throwable> Throwing.Supplier<V>	onFailure(Class<X> type, Consumer<X> action) Apply this function and run the given action in case of exception.
default Throwing.Supplier<V>	onFailure(Consumer<Throwable> action) Apply this function and run the given action in case of exception.
default Throwing.Supplier<V>	orElse(Throwing.Supplier<V> defaultValue) Apply this function and returns the given default value in case of exception.
default Throwing.Supplier<V>	orElse(V defaultValue) Apply this function and returns the given default value in case of exception.
default <X extends Throwable> Throwing.Supplier<V>	recover(Class<? extends X> type, Function<X,V> fn) Apply this function or recover from a specific exception in case of exception.
default Throwing.Supplier<V>	recover(Function<Throwable,V> fn) Apply this function or recover from it in case of exception.
default Throwing.Supplier<V>	singleton() Singleton version of this supplier.
V	tryGet()
default <X extends Throwable> Throwing.Supplier<V>	unwrap(Class<? extends X> type) Apply this function and unwrap any resulting exception.
default Throwing.Supplier<V>	wrap(Function<Throwable,Exception> wrapper) Apply this function and wrap any resulting exception.

Method Detail

tryGet

V tryGet()
  throws Throwable

Throws:

Throwable

get

default V get()

Specified by:

get in interface Supplier<V>

onFailure

default Throwing.Supplier<V> onFailure(Consumer<Throwable> action)

Apply this function and run the given action in case of exception.

Parameters:

action - Action to run when exception occurs.

Returns:

A new function.

onFailure

default <X extends Throwable> Throwing.Supplier<V> onFailure(Class<X> type,
                                                             Consumer<X> action)

Apply this function and run the given action in case of exception.

Type Parameters:

X - Exception type.

Parameters:

type - Exception filter.

action - Action to run when exception occurs.

Returns:

A new function.

wrap

default Throwing.Supplier<V> wrap(Function<Throwable,Exception> wrapper)

Apply this function and wrap any resulting exception.

Parameters:

wrapper - Exception wrapper.

Returns:

A new function.

unwrap

default <X extends Throwable> Throwing.Supplier<V> unwrap(Class<? extends X> type)

Apply this function and unwrap any resulting exception. Useful to get clean/shorter stacktrace.

Type Parameters:

X - Exception type.

Parameters:

type - Exception to unwrap.

Returns:

A new function.

orElse

default Throwing.Supplier<V> orElse(V defaultValue)

Apply this function and returns the given default value in case of exception.

Parameters:

defaultValue - Exceptional default value.

Returns:

A new function.

orElse

default Throwing.Supplier<V> orElse(Throwing.Supplier<V> defaultValue)

Apply this function and returns the given default value in case of exception.

Parameters:

defaultValue - Exceptional default value.

Returns:

A new function.

recover

default Throwing.Supplier<V> recover(Function<Throwable,V> fn)

Apply this function or recover from it in case of exception.

Parameters:

fn - Exception recover.

Returns:

A new function.

recover

default <X extends Throwable> Throwing.Supplier<V> recover(Class<? extends X> type,
                                                           Function<X,V> fn)

Apply this function or recover from a specific exception in case of exception.

Type Parameters:

X - Exception type.

Parameters:

type - Exception filter.

fn - Exception recover.

Returns:

A new function.

singleton

default Throwing.Supplier<V> singleton()

Singleton version of this supplier.

Returns:

A memo function.