CompletableFuture Since Java 9: orTimeout or completeOnTimeout When a Deadline Fires?
Deadline completion in CompletableFuture pipelines Since Java 9, CompletableFuture includes two built-in deadline methods: orTimeout , which completes the future exceptionally with a TimeoutException , and completeOnTimeout , which completes it normally with a fallback value. Both only change the future's completion state. The design tension is that neither
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