merlimat closed pull request #3270: Relay on CompletableFuture utils
URL: https://github.com/apache/pulsar/pull/3270
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diff --git
a/pulsar-common/src/main/java/org/apache/pulsar/common/util/FutureUtil.java
b/pulsar-common/src/main/java/org/apache/pulsar/common/util/FutureUtil.java
index e07941a56d..0aa6a96a7b 100644
--- a/pulsar-common/src/main/java/org/apache/pulsar/common/util/FutureUtil.java
+++ b/pulsar-common/src/main/java/org/apache/pulsar/common/util/FutureUtil.java
@@ -20,8 +20,6 @@
import java.util.List;
import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.concurrent.atomic.AtomicReference;
public class FutureUtil {
@@ -31,32 +29,8 @@
* @param futures
* @return
*/
- public static <T> CompletableFuture<T>
waitForAll(List<CompletableFuture<T>> futures) {
- if (futures.isEmpty()) {
- return CompletableFuture.completedFuture(null);
- }
-
- final CompletableFuture<T> compositeFuture = new CompletableFuture<>();
- final AtomicInteger count = new AtomicInteger(futures.size());
- final AtomicReference<Throwable> exception = new AtomicReference<>();
-
- for (CompletableFuture<T> future : futures) {
- future.whenComplete((r, ex) -> {
- if (ex != null) {
- exception.compareAndSet(null, ex);
- }
- if (count.decrementAndGet() == 0) {
- // All the pending futures did complete
- if (exception.get() != null) {
- compositeFuture.completeExceptionally(exception.get());
- } else {
- compositeFuture.complete(null);
- }
- }
- });
- }
-
- return compositeFuture;
+ public static <T> CompletableFuture<Void>
waitForAll(List<CompletableFuture<T>> futures) {
+ return CompletableFuture.allOf(futures.toArray(new
CompletableFuture[0]));
}
public static <T> CompletableFuture<T> failedFuture(Throwable t) {
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