CommandAsyncService.get method optimization

redisson/src/main/java/org/redisson/command/CommandAsyncService.java

@@ -118,6 +118,7 @@ public class CommandAsyncService implements CommandAsyncExecutor {
     
     @Override
     public <V> V get(RFuture<V> future) {
+        if (!future.isDone()) {
             final CountDownLatch l = new CountDownLatch(1);
             future.addListener(new FutureListener<V>() {
                 @Override
@@ -138,6 +139,7 @@ public class CommandAsyncService implements CommandAsyncExecutor {
             if (interrupted) {
                 Thread.currentThread().interrupt();
             }
+        }
 
         // commented out due to blocking issues up to 200 ms per minute for each thread
         // future.awaitUninterruptibly();