no.digipost.concurrent

Class CompletionHandler

java.lang.Object

no.digipost.concurrent.CompletionHandler

public final class CompletionHandler
extends Object

Convenience utility to build various handler functions which will be called with either the first argument set to a value of any type, or the second argument as a Throwable indicating an error. Usable for CompletableFuture.whenComplete(BiConsumer), CompletableFuture.handle(BiFunction), or any of their async variants.

The built handling functions will always prioritize exception instances in case it is (erroneously) invoked with both a result value and an exception.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	CompletionHandler.ConsumerBuilder<R>
static interface	CompletionHandler.FunctionBuilder<R,U>

Field Summary

Fields

Modifier and Type	Field and Description
static CompletionHandler.ConsumerBuilder<Object>	doNothingOnSuccess

Method Summary

Modifier and Type	Method and Description
static <R> CompletionHandler.ConsumerBuilder<R>	onSuccess(Consumer<R> resultConsumer)
static <R,U> CompletionHandler.FunctionBuilder<R,U>	onSuccess(Function<R,U> resultMapper)
static <R> CompletionHandler.ConsumerBuilder<R>	onSuccess(Runnable runOnSuccess)
static <R,U> CompletionHandler.FunctionBuilder<R,U>	onSuccess(Supplier<U> getOnSuccess)
static <R,U> CompletionHandler.FunctionBuilder<R,U>	onSuccess(U successValue)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

doNothingOnSuccess

public static final CompletionHandler.ConsumerBuilder<Object> doNothingOnSuccess

Method Detail

onSuccess

public static <R> CompletionHandler.ConsumerBuilder<R> onSuccess(Runnable runOnSuccess)

onSuccess

public static <R> CompletionHandler.ConsumerBuilder<R> onSuccess(Consumer<R> resultConsumer)

onSuccess

public static <R,U> CompletionHandler.FunctionBuilder<R,U> onSuccess(U successValue)

onSuccess

public static <R,U> CompletionHandler.FunctionBuilder<R,U> onSuccess(Supplier<U> getOnSuccess)

onSuccess

public static <R,U> CompletionHandler.FunctionBuilder<R,U> onSuccess(Function<R,U> resultMapper)