nits

Change-Id: I340c377678834ff07b1c4b43afbc89edfe645b39

Author: nicholsl

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/gaxx/grpc/BigtableChannelPool.java

@@ -51,7 +51,7 @@
  *
  * <p>Internal API
  */
-@InternalApi("")
+@InternalApi
 public class BigtableChannelPool extends ManagedChannel {
   @VisibleForTesting
   static final Logger LOG = Logger.getLogger(BigtableChannelPool.class.getName());

google-cloud-bigtable/src/main/java/com/google/cloud/bigtable/gaxx/grpc/BigtableTransportChannelProvider.java

@@ -30,7 +30,7 @@
 import java.util.concurrent.Executor;
 import java.util.concurrent.ScheduledExecutorService;
 
-/** An instance of TransportChannelProvider that always provides the same TransportChannel. */
+/** An instance of TransportChannelProvider that provides a TransportChannel through a supplied InstantiatingGrpcChannelProvider. */
 @InternalApi
 public final class BigtableTransportChannelProvider implements TransportChannelProvider {
 
@@ -101,6 +101,7 @@ public TransportChannelProvider withPoolSize(int size) {
     return new BigtableTransportChannelProvider(newChannelProvider);
   }
 
+  /**Expected to only be called once when BigtableClientContext is created*/
   @Override
   public TransportChannel getTransportChannel() throws IOException {
     // This provider's main purpose is to replace the default GAX ChannelPool
@@ -148,7 +149,7 @@ public TransportChannelProvider withCredentials(Credentials credentials) {
     return new BigtableTransportChannelProvider(newChannelProvider);
   }
 
-  /** Creates a FixedTransportChannelProvider. */
+  /** Creates a BigtableTransportChannelProvider. */
   public static BigtableTransportChannelProvider create(
       InstantiatingGrpcChannelProvider instantiatingGrpcChannelProvider) {
     return new BigtableTransportChannelProvider(instantiatingGrpcChannelProvider);

google-cloud-bigtable/src/test/java/com/google/cloud/bigtable/gaxx/grpc/BigtableChannelPoolSettingsTest.java

@@ -9,16 +9,12 @@
 import java.util.Arrays;
 import java.util.Set;
 import java.util.stream.Collectors;
-import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
-import org.mockito.junit.MockitoJUnit;
-import org.mockito.junit.MockitoRule;
 
 @RunWith(JUnit4.class)
 public class BigtableChannelPoolSettingsTest {
-  @Rule public MockitoRule mockitoRule = MockitoJUnit.rule();
 
   @Test
   public void testToBigtableChannelPoolSettingsAllFieldsSetCopiesCorrectly() throws Exception {