refactoring

redisson/src/main/java/org/redisson/client/handler/CommandsQueue.java

@@ -15,12 +15,8 @@
  */
 package org.redisson.client.handler;
 
-import java.io.IOException;
-import java.util.List;
-import java.util.Queue;
-import java.util.concurrent.ConcurrentLinkedQueue;
-import java.util.regex.Pattern;
-
+import io.netty.channel.*;
+import io.netty.util.AttributeKey;
 import org.redisson.client.ChannelName;
 import org.redisson.client.WriteRedisConnectionException;
 import org.redisson.client.protocol.CommandData;
@@ -30,14 +26,11 @@ import org.redisson.misc.LogHelper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import io.netty.channel.Channel;
-import io.netty.channel.ChannelDuplexHandler;
-import io.netty.channel.ChannelFuture;
-import io.netty.channel.ChannelFutureListener;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelPromise;
-import io.netty.util.AttributeKey;
-import io.netty.util.internal.PlatformDependent;
+import java.io.IOException;
+import java.util.List;
+import java.util.Queue;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.regex.Pattern;
 
 /**
  *
@@ -56,12 +49,9 @@ public class CommandsQueue extends ChannelDuplexHandler {
 
     private final Queue<QueueCommandHolder> queue = new ConcurrentLinkedQueue<>();
 
-    private final ChannelFutureListener listener = new ChannelFutureListener() {
-        @Override
-        public void operationComplete(ChannelFuture future) throws Exception {
-            if (!future.isSuccess() && future.channel().isActive()) {
-                sendNextCommand(future.channel());
-            }
+    private final ChannelFutureListener listener = future -> {
+        if (!future.isSuccess() && future.channel().isActive()) {
+            sendNextCommand(future.channel());
         }
     };