HBASE-11800 Make HTableInterface coprocessorService methods public

hbase-client/src/main/java/org/apache/hadoop/hbase/client/HTableInterface.java

@@ -462,7 +462,6 @@ public interface HTableInterface extends Closeable {
    * @param row The row key used to identify the remote region location
    * @return A CoprocessorRpcChannel instance
    */
-  @InterfaceAudience.Private // TODO add coproc audience level  
   CoprocessorRpcChannel coprocessorService(byte[] row);
 
   /**
@@ -486,7 +485,6 @@ public interface HTableInterface extends Closeable {
    * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} method
    * @return a map of result values keyed by region name
    */
-  @InterfaceAudience.Private // TODO add coproc audience level
   <T extends Service, R> Map<byte[],R> coprocessorService(final Class<T> service,
       byte[] startKey, byte[] endKey, final Batch.Call<T,R> callable)
       throws ServiceException, Throwable;
@@ -518,7 +516,6 @@ public interface HTableInterface extends Closeable {
    * @param <R> Return type for the {@code callable} parameter's
    * {@link org.apache.hadoop.hbase.client.coprocessor.Batch.Call#call} method
    */
-  @InterfaceAudience.Private // TODO add coproc audience level
   <T extends Service, R> void coprocessorService(final Class<T> service,
       byte[] startKey, byte[] endKey, final Batch.Call<T,R> callable,
       final Batch.Callback<R> callback) throws ServiceException, Throwable;
@@ -622,7 +619,6 @@ public interface HTableInterface extends Closeable {
    * @throws Throwable
    * @return a map of result values keyed by region name
    */
-  @InterfaceAudience.Private
   <R extends Message> Map<byte[], R> batchCoprocessorService(
       Descriptors.MethodDescriptor methodDescriptor, Message request,
       byte[] startKey, byte[] endKey, R responsePrototype) throws ServiceException, Throwable;
@@ -658,7 +654,6 @@ public interface HTableInterface extends Closeable {
    * @throws ServiceException
    * @throws Throwable
    */
-  @InterfaceAudience.Private
   <R extends Message> void batchCoprocessorService(Descriptors.MethodDescriptor methodDescriptor,
       Message request, byte[] startKey, byte[] endKey, R responsePrototype,
       Batch.Callback<R> callback) throws ServiceException, Throwable;

hbase-client/src/main/java/org/apache/hadoop/hbase/client/coprocessor/Batch.java

@@ -19,16 +19,17 @@
 
 package org.apache.hadoop.hbase.client.coprocessor;
 
-import java.io.IOException;
-
 import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
 
+import java.io.IOException;
 
 /**
  * A collection of interfaces and utilities used for interacting with custom RPC
  * interfaces exposed by Coprocessors.
  */
-@InterfaceAudience.Private
+@InterfaceAudience.Public
+@InterfaceStability.Stable
 public abstract class Batch {
   /**
    * Defines a unit of work to be executed.
@@ -37,9 +38,7 @@ public abstract class Batch {
    * When used with
    * {@link org.apache.hadoop.hbase.client.HTable#coprocessorService(Class, byte[], byte[], org.apache.hadoop.hbase.client.coprocessor.Batch.Call)}
    * the implementations {@link Batch.Call#call(Object)} method will be invoked
-   * with a proxy to the
+   * with a proxy to each region's coprocessor {@link com.google.protobuf.Service} implementation.
-   * {@link org.apache.hadoop.hbase.coprocessor.CoprocessorService}
-   * sub-type instance.
    * </p>
    * @see org.apache.hadoop.hbase.client.coprocessor
    * @see org.apache.hadoop.hbase.client.HTable#coprocessorService(byte[])

hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/CoprocessorRpcChannel.java

@@ -18,6 +18,10 @@
 
 package org.apache.hadoop.hbase.ipc;
 
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+import org.apache.hadoop.hbase.protobuf.ResponseConverter;
+
 import com.google.protobuf.BlockingRpcChannel;
 import com.google.protobuf.Descriptors;
 import com.google.protobuf.Message;
@@ -28,20 +32,22 @@ import com.google.protobuf.Service;
 import com.google.protobuf.ServiceException;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.classification.InterfaceAudience;
-import org.apache.hadoop.hbase.protobuf.ResponseConverter;
 
 import java.io.IOException;
 
 /**
  * Base class which provides clients with an RPC connection to
- * call coprocessor endpoint {@link Service}s
+ * call coprocessor endpoint {@link Service}s.  Note that clients should not use this class
+ * directly, except through
+ * {@link org.apache.hadoop.hbase.client.HTableInterface#coprocessorService(byte[])}.
  */
-@InterfaceAudience.Private
+@InterfaceAudience.Public
+@InterfaceStability.Evolving
 public abstract class CoprocessorRpcChannel implements RpcChannel, BlockingRpcChannel {
   private static Log LOG = LogFactory.getLog(CoprocessorRpcChannel.class);
 
   @Override
+  @InterfaceAudience.Private
   public void callMethod(Descriptors.MethodDescriptor method,
                          RpcController controller,
                          Message request, Message responsePrototype,
@@ -59,6 +65,7 @@ public abstract class CoprocessorRpcChannel implements RpcChannel, BlockingRpcCh
   }
 
   @Override
+  @InterfaceAudience.Private
   public Message callBlockingMethod(Descriptors.MethodDescriptor method,
                                     RpcController controller,
                                     Message request, Message responsePrototype)