MAPREDUCE-5218. Annotate (comment) internal classes as Private. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-1@1480779 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -43,6 +43,9 @@ Release 1.3.0 - unreleased
     HDFS-4699. Additional conditions for avoiding unnecessary 
     DataNode.checkDiskError calls. (Chris Nauroth via kihwal)
 
+    MAPREDUCE-5218. Annotate (comment) internal classes as Private. 
+    (kkambatl via tucu)
+
 Release 1.2.1 - Unreleased 
 
   INCOMPATIBLE CHANGES

src/mapred/org/apache/hadoop/mapred/MapReducePolicyProvider.java

@@ -17,6 +17,7 @@
  */
 package org.apache.hadoop.mapred;
 
+import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.security.RefreshUserMappingsProtocol;
 import org.apache.hadoop.security.authorize.PolicyProvider;
 import org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol;
@@ -25,6 +26,7 @@ import org.apache.hadoop.security.authorize.Service;
 /**
  * {@link PolicyProvider} for Map-Reduce protocols.
  */
+@Private
 public class MapReducePolicyProvider extends PolicyProvider {
   private static final Service[] mapReduceServices = 
     new Service[] {

src/mapred/org/apache/hadoop/mapred/TaskInProgress.java

@@ -31,6 +31,7 @@ import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.mapred.SortedRanges.Range;
 import org.apache.hadoop.mapred.TaskStatus.State;
 import org.apache.hadoop.mapreduce.TaskType;
@@ -52,6 +53,7 @@ import org.apache.hadoop.net.Node;
  * ever have to handle.  Once those are up, the TIP is dead.
  * **************************************************************
  */
+@Private
 class TaskInProgress {
   static final int MAX_TASK_EXECS = 1;
   int maxTaskAttempts = 4;    

src/mapred/org/apache/hadoop/mapred/TaskUmbilicalProtocol.java

@@ -20,6 +20,7 @@ package org.apache.hadoop.mapred;
 
 import java.io.IOException;
 
+import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.ipc.VersionedProtocol;
 import org.apache.hadoop.mapred.JvmTask;
 import org.apache.hadoop.mapreduce.security.token.JobTokenSelector;
@@ -29,6 +30,7 @@ import org.apache.hadoop.security.token.TokenInfo;
  * parent is a daemon which which polls the central master for a new map or
  * reduce task and runs it as a child process.  All communication between child
  * and parent is via this protocol. */
+@Private
 @TokenInfo(JobTokenSelector.class)
 public interface TaskUmbilicalProtocol extends VersionedProtocol {
 

src/mapred/org/apache/hadoop/mapred/tools/MRAdmin.java

@@ -19,6 +19,7 @@ package org.apache.hadoop.mapred.tools;
 
 import java.io.IOException;
 
+import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.conf.Configured;
 import org.apache.hadoop.fs.CommonConfigurationKeys;
@@ -41,6 +42,7 @@ import org.apache.hadoop.util.ToolRunner;
  * and 1) refresh the service-level authorization policy, 2) refresh queue acl
  * properties.
  */
+@Private
 public class MRAdmin extends Configured implements Tool {
 
   public MRAdmin() {