CompletableFuture.applyToEither metodu

Giriş

Sonuç olarak ya kendi sonucumu ya da parametre olarak verilen CompletionStage nesnesinin sonucunu döner. Açıklaması şöyle

The applyToEither method creates a new stage, that upon completion transforms the first result of the previous two stages by the given Function.

Örnek

Şöyle yaparı

CompletionStage<String> stage1 = supplyAsync(() -> sleepAndGet(1, "parallel1"));
CompletionStage<String> stage2 = supplyAsync(() -> sleepAndGet(2, "parallel2"));
CompletionStage<String> stage = stage1.applyToEither(stage2, s -> s.toUpperCase());
assertEquals("PARALLEL1", stage.toCompletableFuture().get());