Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/2753#discussion_r18810388
--- Diff:
network/common/src/main/java/org/apache/spark/network/protocol/request/ClientRequestEncoder.java
---
@@ -0,0 +1,46 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.network.protocol.request;
+
+import java.util.List;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandler;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToMessageEncoder;
+
+/**
+ * Encoder for {@link ClientRequest} used in client side.
+ *
+ * This encoder is stateless so it is safe to be shared by multiple
threads.
+ */
[email protected]
+public final class ClientRequestEncoder extends
MessageToMessageEncoder<ClientRequest> {
+ @Override
+ public void encode(ChannelHandlerContext ctx, ClientRequest in,
List<Object> out) {
--- End diff --
maybe comment on the fact that two things will be added to out.
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