com.atlassian.confluence.impl.concurrency

Class CompletionStageUtils

java.lang.Object

com.atlassian.confluence.impl.concurrency.CompletionStageUtils

public class CompletionStageUtils
extends Object

Convenience utility methods that make CompletionStage a bit easier to deal with.

Since:

5.10

Constructor Summary

Constructors

Constructor and Description
CompletionStageUtils()

Method Summary

Modifier and Type	Method and Description
static <T> T	foldResult(CompletionStage<T> completionStage, Function<Throwable,T> onError) Obtain the result of the given CompletionStage.
static <T,R> R	foldResult(CompletionStage<T> completionStage, Function<T,R> onSuccess, Function<Throwable,R> onError) Obtain the result of the given CompletionStage.
static void	joinResult(CompletionStage<?> completionStage, Consumer<Throwable> onError) Await the completion of the given CompletionStage.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompletionStageUtils

public CompletionStageUtils()

Method Detail

foldResult

public static <T> T foldResult(CompletionStage<T> completionStage,
                               Function<Throwable,T> onError)

Obtain the result of the given CompletionStage. If the stage completes with an error, then the given error handling function will be invoked to transform that error into a result value.

foldResult

public static <T,R> R foldResult(CompletionStage<T> completionStage,
                                 Function<T,R> onSuccess,
                                 Function<Throwable,R> onError)

Obtain the result of the given CompletionStage. One of either the success or error handlers will be invoked depending on the result of the stage.

joinResult

public static void joinResult(CompletionStage<?> completionStage,
                              Consumer<Throwable> onError)

Await the completion of the given CompletionStage. If the stage completes with an error, then the given error handler will be invoked.