From d232fffa63096811d2e157ef7a9057008ca60835 Mon Sep 17 00:00:00 2001
From: Kazuki MATSUDA <matsuda.kazuki@gmail.com>
Date: Sun, 18 Sep 2016 20:17:09 +0900
Subject: [PATCH] Use whenComplete since (null) return value not needed

---
 .../util/concurrent/CompletableToListenableFutureAdapter.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/spring-core/src/main/java/org/springframework/util/concurrent/CompletableToListenableFutureAdapter.java b/spring-core/src/main/java/org/springframework/util/concurrent/CompletableToListenableFutureAdapter.java
index c9b28a79a8e..42910bf902d 100644
--- a/spring-core/src/main/java/org/springframework/util/concurrent/CompletableToListenableFutureAdapter.java
+++ b/spring-core/src/main/java/org/springframework/util/concurrent/CompletableToListenableFutureAdapter.java
@@ -21,6 +21,7 @@ import java.util.concurrent.CompletionStage;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
+import java.util.function.BiConsumer;
 
 /**
  * Adapts a {@link CompletableFuture} or {@link CompletionStage} into a
@@ -50,14 +51,13 @@ public class CompletableToListenableFutureAdapter<T> implements ListenableFuture
 	 */
 	public CompletableToListenableFutureAdapter(CompletableFuture<T> completableFuture) {
 		this.completableFuture = completableFuture;
-		this.completableFuture.handle((result, ex) -> {
+		this.completableFuture.whenComplete((result, ex) -> {
 			if (ex != null) {
 				callbacks.failure(ex);
 			}
 			else {
 				callbacks.success(result);
 			}
-			return null;
 		});
 	}