HADOOP-8813. Add InterfaceAudience and InterfaceStability annotations to RPC Server and Client classes. Contributed by Brandon Li.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1389649 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Client.java

@@ -105,6 +105,8 @@ import com.google.protobuf.CodedOutputStream;
  * 
  * @see Server
  */
+@InterfaceAudience.LimitedPrivate(value = { "Common", "HDFS", "MapReduce", "Yarn" })
+@InterfaceStability.Evolving
 public class Client {
   
   public static final Log LOG = LogFactory.getLog(Client.class);

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/RPC.java

@@ -52,6 +52,8 @@ import org.apache.hadoop.security.SaslRpcServer;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.security.token.SecretManager;
 import org.apache.hadoop.security.token.TokenIdentifier;
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.conf.*;
 import org.apache.hadoop.util.ReflectionUtils;
 import org.apache.hadoop.util.Time;
@@ -76,6 +78,8 @@ import com.google.protobuf.BlockingService;
  * All methods in the protocol should throw only IOException.  No field data of
  * the protocol instance is transmitted.
  */
+@InterfaceAudience.LimitedPrivate(value = { "Common", "HDFS", "MapReduce", "Yarn" })
+@InterfaceStability.Evolving
 public class RPC {
   final static int RPC_SERVICE_CLASS_DEFAULT = 0;
   public enum RpcKind {

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java

@@ -132,6 +132,8 @@ import com.google.protobuf.Message.Builder;
  * 
  * @see Client
  */
+@InterfaceAudience.LimitedPrivate(value = { "Common", "HDFS", "MapReduce", "Yarn" })
+@InterfaceStability.Evolving
 public abstract class Server {
   private final boolean authorize;
   private List<AuthMethod> enabledAuthMethods;