zipkin.storage

Interface Callback<V>

public interface Callback<V>

A callback of a single result or error.

This is a bridge to async libraries such as CompletableFuture complete, completeExceptionally.

Implementations will call either onSuccess(V) or onError(java.lang.Throwable), but not both.

Field Summary

Fields

Modifier and Type	Field and Description
static Callback<Void>	NOOP

Method Summary

Modifier and Type	Method and Description
void	onError(Throwable t) Invoked when computation produces a possibly null value successfully.
void	onSuccess(V value) Invoked when computation produces its potentially null value successfully.

Field Detail

NOOP

static final Callback<Void> NOOP

Method Detail

onSuccess

void onSuccess(@Nullable
               V value)

Invoked when computation produces its potentially null value successfully.

When this is called, onError(java.lang.Throwable) won't be.

onError

void onError(Throwable t)

Invoked when computation produces a possibly null value successfully.

When this is called, onSuccess(V) won't be.