fix ut & checkstyle

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java

@@ -272,7 +272,7 @@
 @InterfaceStability.Stable
 public class ClientNamenodeProtocolTranslatorPB implements
     ProtocolMetaInterface, ClientProtocol, Closeable, ProtocolTranslator {
-  final protected ClientNamenodeProtocolPB rpcProxy;
+  final private ClientNamenodeProtocolPB rpcProxy;
 
   protected static final GetServerDefaultsRequestProto VOID_GET_SERVER_DEFAULT_REQUEST =
       GetServerDefaultsRequestProto.newBuilder().build();

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/RouterClientProtocolTranslatorPB.java

@@ -200,15 +200,9 @@
 import org.apache.hadoop.security.proto.SecurityProtos.GetDelegationTokenRequestProto;
 import org.apache.hadoop.security.proto.SecurityProtos.RenewDelegationTokenRequestProto;
 import org.apache.hadoop.security.token.Token;
-
 import org.apache.hadoop.thirdparty.protobuf.ByteString;
-
 import org.apache.hadoop.util.Lists;
 
-import static org.apache.hadoop.ha.proto.HAServiceProtocolProtos.HAServiceStateProto.ACTIVE;
-import static org.apache.hadoop.ha.proto.HAServiceProtocolProtos.HAServiceStateProto.INITIALIZING;
-import static org.apache.hadoop.ha.proto.HAServiceProtocolProtos.HAServiceStateProto.OBSERVER;
-import static org.apache.hadoop.hdfs.protocol.proto.HdfsServerProtos.NNHAStatusHeartbeatProto.State.STANDBY;
 import static org.apache.hadoop.hdfs.protocolPB.AsyncRpcProtocolPBUtil.asyncIpcClient;
 
 /**
@@ -219,9 +213,11 @@
 @InterfaceAudience.Private
 @InterfaceStability.Stable
 public class RouterClientProtocolTranslatorPB extends ClientNamenodeProtocolTranslatorPB {
+  private final ClientNamenodeProtocolPB rpcProxy;
 
   public RouterClientProtocolTranslatorPB(ClientNamenodeProtocolPB proxy) {
     super(proxy);
+    rpcProxy = proxy;
   }
 
   @Override
@@ -1827,7 +1823,7 @@ public void removeErasureCodingPolicy(String ecPolicyName)
   public void enableErasureCodingPolicy(String ecPolicyName)
       throws IOException {
     if (!Client.isAsynchronousMode()) {
-      super.removeErasureCodingPolicy(ecPolicyName);
+      super.enableErasureCodingPolicy(ecPolicyName);
       return;
     }
     EnableErasureCodingPolicyRequestProto.Builder builder =
@@ -1843,7 +1839,7 @@ public void enableErasureCodingPolicy(String ecPolicyName)
   public void disableErasureCodingPolicy(String ecPolicyName)
       throws IOException {
     if (!Client.isAsynchronousMode()) {
-      super.removeErasureCodingPolicy(ecPolicyName);
+      super.disableErasureCodingPolicy(ecPolicyName);
       return;
     }
     DisableErasureCodingPolicyRequestProto.Builder builder =

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/protocolPB/package-info.java

@@ -0,0 +1,29 @@
+/**
+ * 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.
+ */
+
+/**
+ * This package contains the implementation of the Protocol Buffers
+ * protocols related to HDFS Router.
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Evolving
+
+package org.apache.hadoop.hdfs.protocolPB;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;