Package dev.siroshun.event4j.api.listener

Interface ListenerExceptionHandler<K,E,O>

Type Parameters:

K - the key type

E - the event type

O - the order type

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 ListenerExceptionHandler<K,E,O>

An interface to handle the exception that is thrown from SubscribedListener.consumer().

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static enum	ListenerExceptionHandler.Result	The operations that indicates what the EventCaller should do next

Method Summary

Modifier and Type	Method	Description
static <K, E, O> @NotNull ListenerExceptionHandler<K,E,O>	continueHandler()	Creates a ListenerExceptionHandler that returns ListenerExceptionHandler.Result.CONTINUE.
@NotNull ListenerExceptionHandler.Result	handleException(E event, @NotNull SubscribedListener<K,? extends E,O> listener, @NotNull Throwable exception)	Handles the exception.

Method Details

continueHandler

@NotNull
static <K,
E,
O>
@NotNull ListenerExceptionHandler<K,E,O> continueHandler()

Creates a ListenerExceptionHandler that returns ListenerExceptionHandler.Result.CONTINUE.

Type Parameters:

K - the key type

E - the event type

O - the order type

Returns:

a ListenerExceptionHandler that returns ListenerExceptionHandler.Result.CONTINUE

handleException

@NotNull
@NotNull ListenerExceptionHandler.Result handleException(@NotNull
 E event,
 @NotNull
 @NotNull SubscribedListener<K,? extends E,O> listener,
 @NotNull
 @NotNull Throwable exception)

Handles the exception.

Parameters:

event - the event instance

listener - the SubscribedListener that throws an exception

exception - the thrown exception

Returns:

the ListenerExceptionHandler.Result that indicates what the EventCaller should do next