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From mberto...@apache.org
Subject [04/13] hbase git commit: HBASE-13248 Make HConnectionImplementation top-level class
Date Wed, 25 Mar 2015 16:59:53 GMT
http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java
index a035e2f..f12c33e 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionUtils.java
@@ -82,7 +82,7 @@ public final class ConnectionUtils {
    */
   public static NonceGenerator injectNonceGeneratorForTesting(
       ClusterConnection conn, NonceGenerator cnm) {
-    return ConnectionManager.injectNonceGeneratorForTesting(conn, cnm);
+    return ConnectionImplementation.injectNonceGeneratorForTesting(conn, cnm);
   }
 
   /**
@@ -146,7 +146,7 @@ public final class ConnectionUtils {
    * Some tests shut down the master. But table availability is a master RPC which is performed
on
    * region re-lookups.
    */
-  static class MasterlessConnection extends ConnectionManager.HConnectionImplementation {
+  static class MasterlessConnection extends ConnectionImplementation {
     MasterlessConnection(Configuration conf, boolean managed,
       ExecutorService pool, User user) throws IOException {
       super(conf, managed, pool, user);

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
index f372528..c90ce93 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java
@@ -2561,7 +2561,7 @@ public class HBaseAdmin implements Admin {
         ZooKeeperKeepAliveConnection zkw = null;
         try {
           // This is NASTY. FIX!!!! Dependent on internal implementation! TODO
-          zkw = ((ConnectionManager.HConnectionImplementation)connection).
+          zkw = ((ConnectionImplementation)connection).
             getKeepAliveZooKeeperWatcher();
           zkw.getRecoverableZooKeeper().getZooKeeper().exists(zkw.baseZNode, false);
         } catch (IOException e) {
@@ -3781,8 +3781,8 @@ public class HBaseAdmin implements Admin {
   @Override
   public int getMasterInfoPort() throws IOException {
     // TODO: Fix!  Reaching into internal implementation!!!!
-    ConnectionManager.HConnectionImplementation connection =
-        (ConnectionManager.HConnectionImplementation)this.connection;
+    ConnectionImplementation connection =
+        (ConnectionImplementation)this.connection;
     ZooKeeperKeepAliveConnection zkw = connection.getKeepAliveZooKeeperWatcher();
     try {
       return MasterAddressTracker.getMasterInfoPort(zkw);

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RetryingCallerInterceptorFactory.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RetryingCallerInterceptorFactory.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RetryingCallerInterceptorFactory.java
index 3fa4f64..15475f8 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RetryingCallerInterceptorFactory.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RetryingCallerInterceptorFactory.java
@@ -27,7 +27,7 @@ import org.apache.hadoop.hbase.HConstants;
 import org.apache.hadoop.hbase.classification.InterfaceAudience;
 
 /**
- * Factory implementation to provide the {@link HConnectionImplementation} with
+ * Factory implementation to provide the {@link ConnectionImplementation} with
  * the implementation of the {@link RetryingCallerInterceptor} that we would use
  * to intercept the {@link RpcRetryingCaller} during the course of their calls.
  * 

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperKeepAliveConnection.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperKeepAliveConnection.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperKeepAliveConnection.java
index 04fd20f..04d4b41 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperKeepAliveConnection.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperKeepAliveConnection.java
@@ -39,14 +39,14 @@ import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
 class ZooKeeperKeepAliveConnection extends ZooKeeperWatcher{
   ZooKeeperKeepAliveConnection(
     Configuration conf, String descriptor,
-    ConnectionManager.HConnectionImplementation conn) throws IOException {
+    ConnectionImplementation conn) throws IOException {
     super(conf, descriptor, conn);
   }
 
   @Override
   public void close() {
     if (this.abortable != null) {
-      ((ConnectionManager.HConnectionImplementation)abortable).releaseZooKeeperWatcher(this);
+      ((ConnectionImplementation)abortable).releaseZooKeeperWatcher(this);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperRegistry.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperRegistry.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperRegistry.java
index 26aca18..8cc7160 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperRegistry.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ZooKeeperRegistry.java
@@ -37,14 +37,14 @@ import org.apache.zookeeper.KeeperException;
 class ZooKeeperRegistry implements Registry {
   static final Log LOG = LogFactory.getLog(ZooKeeperRegistry.class);
   // Needs an instance of hci to function.  Set after construct this instance.
-  ConnectionManager.HConnectionImplementation hci;
+  ConnectionImplementation hci;
 
   @Override
   public void init(Connection connection) {
-    if (!(connection instanceof ConnectionManager.HConnectionImplementation)) {
-      throw new RuntimeException("This registry depends on HConnectionImplementation");
+    if (!(connection instanceof ConnectionImplementation)) {
+      throw new RuntimeException("This registry depends on ConnectionImplementation");
     }
-    this.hci = (ConnectionManager.HConnectionImplementation)connection;
+    this.hci = (ConnectionImplementation)connection;
   }
 
   @Override

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
index aa41939..15ed6ec 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestAsyncProcess.java
@@ -338,7 +338,7 @@ public class TestAsyncProcess {
   /**
    * Returns our async process.
    */
-  static class MyConnectionImpl extends ConnectionManager.HConnectionImplementation {
+  static class MyConnectionImpl extends ConnectionImplementation {
     final AtomicInteger nbThreads = new AtomicInteger(0);
 
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java
b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java
index 23eed1d..9671ea6 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java
@@ -103,7 +103,7 @@ public class TestClientNoCluster extends Configured implements Tool {
   @Before
   public void setUp() throws Exception {
     this.conf = HBaseConfiguration.create();
-    // Run my HConnection overrides.  Use my little HConnectionImplementation below which
+    // Run my HConnection overrides.  Use my little ConnectionImplementation below which
     // allows me insert mocks and also use my Registry below rather than the default zk based
     // one so tests run faster and don't have zk dependency.
     this.conf.set("hbase.client.registry.impl", SimpleRegistry.class.getName());
@@ -262,7 +262,7 @@ public class TestClientNoCluster extends Configured implements Tool {
    * Override to shutdown going to zookeeper for cluster id and meta location.
    */
   static class ScanOpenNextThenExceptionThenRecoverConnection
-  extends ConnectionManager.HConnectionImplementation {
+  extends ConnectionImplementation {
     final ClientService.BlockingInterface stub;
 
     ScanOpenNextThenExceptionThenRecoverConnection(Configuration conf,
@@ -294,7 +294,7 @@ public class TestClientNoCluster extends Configured implements Tool {
    * Override to shutdown going to zookeeper for cluster id and meta location.
    */
   static class RegionServerStoppedOnScannerOpenConnection
-  extends ConnectionManager.HConnectionImplementation {
+  extends ConnectionImplementation {
     final ClientService.BlockingInterface stub;
 
     RegionServerStoppedOnScannerOpenConnection(Configuration conf, boolean managed,
@@ -326,7 +326,7 @@ public class TestClientNoCluster extends Configured implements Tool {
    * Override to check we are setting rpc timeout right.
    */
   static class RpcTimeoutConnection
-  extends ConnectionManager.HConnectionImplementation {
+  extends ConnectionImplementation {
     final ClientService.BlockingInterface stub;
 
     RpcTimeoutConnection(Configuration conf, boolean managed, ExecutorService pool, User
user)
@@ -353,7 +353,7 @@ public class TestClientNoCluster extends Configured implements Tool {
    * Fake many regionservers and many regions on a connection implementation.
    */
   static class ManyServersManyRegionsConnection
-  extends ConnectionManager.HConnectionImplementation {
+  extends ConnectionImplementation {
     // All access should be synchronized
     final Map<ServerName, ClientService.BlockingInterface> serversByClient;
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSnapshotFromAdmin.java
----------------------------------------------------------------------
diff --git a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSnapshotFromAdmin.java
b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSnapshotFromAdmin.java
index 78d718e..1b039bd 100644
--- a/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSnapshotFromAdmin.java
+++ b/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestSnapshotFromAdmin.java
@@ -72,8 +72,8 @@ public class TestSnapshotFromAdmin {
         + "- further testing won't prove anything.", time < ignoreExpectedTime);
 
     // setup the mocks
-    ConnectionManager.HConnectionImplementation mockConnection = Mockito
-        .mock(ConnectionManager.HConnectionImplementation.class);
+    ConnectionImplementation mockConnection = Mockito
+        .mock(ConnectionImplementation.class);
     Configuration conf = HBaseConfiguration.create();
     // setup the conf to match the expected properties
     conf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, numRetries);
@@ -119,8 +119,8 @@ public class TestSnapshotFromAdmin {
    */
   @Test
   public void testValidateSnapshotName() throws Exception {
-    ConnectionManager.HConnectionImplementation mockConnection = Mockito
-        .mock(ConnectionManager.HConnectionImplementation.class);
+    ConnectionImplementation mockConnection = Mockito
+        .mock(ConnectionImplementation.class);
     Configuration conf = HBaseConfiguration.create();
     Mockito.when(mockConnection.getConfiguration()).thenReturn(conf);
     Admin admin = new HBaseAdmin(mockConnection);

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-client/src/test/resources/log4j.properties
----------------------------------------------------------------------
diff --git a/hbase-client/src/test/resources/log4j.properties b/hbase-client/src/test/resources/log4j.properties
index 69171f7..13a95b4 100644
--- a/hbase-client/src/test/resources/log4j.properties
+++ b/hbase-client/src/test/resources/log4j.properties
@@ -63,4 +63,4 @@ log4j.logger.org.apache.hadoop.hbase=DEBUG
 log4j.org.apache.hadoop.metrics2.impl.MetricsSystemImpl=ERROR
 log4j.org.apache.hadoop.metrics2.util.MBeans=ERROR
 # Enable this to get detailed connection error/retry logging.
-# log4j.logger.org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation=TRACE
+# log4j.logger.org.apache.hadoop.hbase.client.ConnectionImplementation=TRACE

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-rest/src/test/resources/log4j.properties
----------------------------------------------------------------------
diff --git a/hbase-rest/src/test/resources/log4j.properties b/hbase-rest/src/test/resources/log4j.properties
index 69171f7..13a95b4 100644
--- a/hbase-rest/src/test/resources/log4j.properties
+++ b/hbase-rest/src/test/resources/log4j.properties
@@ -63,4 +63,4 @@ log4j.logger.org.apache.hadoop.hbase=DEBUG
 log4j.org.apache.hadoop.metrics2.impl.MetricsSystemImpl=ERROR
 log4j.org.apache.hadoop.metrics2.util.MBeans=ERROR
 # Enable this to get detailed connection error/retry logging.
-# log4j.logger.org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation=TRACE
+# log4j.logger.org.apache.hadoop.hbase.client.ConnectionImplementation=TRACE

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-server/src/main/java/org/apache/hadoop/hbase/client/CoprocessorHConnection.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/client/CoprocessorHConnection.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/client/CoprocessorHConnection.java
index 1db90fb..52d22b7 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/client/CoprocessorHConnection.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/client/CoprocessorHConnection.java
@@ -24,7 +24,6 @@ import org.apache.hadoop.hbase.classification.InterfaceStability;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.CoprocessorEnvironment;
 import org.apache.hadoop.hbase.ServerName;
-import org.apache.hadoop.hbase.client.ConnectionManager.HConnectionImplementation;
 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
 import org.apache.hadoop.hbase.regionserver.HRegionServer;
 import org.apache.hadoop.hbase.regionserver.RegionServerServices;
@@ -40,7 +39,7 @@ import org.apache.hadoop.hbase.security.UserProvider;
  */
 @InterfaceAudience.Private
 @InterfaceStability.Evolving
-public class CoprocessorHConnection extends HConnectionImplementation {
+public class CoprocessorHConnection extends ConnectionImplementation {
   private static final NonceGenerator NO_NONCE_GEN = new ConnectionManager.NoNonceGenerator();
 
   /**

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MultiHConnection.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MultiHConnection.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MultiHConnection.java
index ba76c6d..a55c876 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MultiHConnection.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/util/MultiHConnection.java
@@ -130,11 +130,11 @@ public class MultiHConnection {
   }
 
   
-  // Copied from HConnectionImplementation.getBatchPool()
+  // Copied from ConnectionImplementation.getBatchPool()
   // We should get rid of this when HConnection.processBatchCallback is un-deprecated and
provides
   // an API to manage a batch pool
   private void createBatchPool(Configuration conf) {
-    // Use the same config for keep alive as in HConnectionImplementation.getBatchPool();
+    // Use the same config for keep alive as in ConnectionImplementation.getBatchPool();
     int maxThreads = conf.getInt("hbase.multihconnection.threads.max", 256);
     int coreThreads = conf.getInt("hbase.multihconnection.threads.core", 256);
     if (maxThreads == 0) {

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-server/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java
index b8d26fb..0a534b0 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/HConnectionTestingUtility.java
@@ -28,7 +28,6 @@ import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.ZooKeeperConnectionException;
 import org.apache.hadoop.hbase.protobuf.generated.AdminProtos;
 import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;
-import org.apache.hadoop.hbase.client.ConnectionManager.HConnectionImplementation;
 import org.apache.hadoop.hbase.ipc.RpcControllerFactory;
 import org.mockito.Mockito;
 
@@ -55,10 +54,10 @@ public class HConnectionTestingUtility {
   throws ZooKeeperConnectionException {
     HConnectionKey connectionKey = new HConnectionKey(conf);
     synchronized (ConnectionManager.CONNECTION_INSTANCES) {
-      HConnectionImplementation connection =
+      ConnectionImplementation connection =
           ConnectionManager.CONNECTION_INSTANCES.get(connectionKey);
       if (connection == null) {
-        connection = Mockito.mock(HConnectionImplementation.class);
+        connection = Mockito.mock(ConnectionImplementation.class);
         Mockito.when(connection.getConfiguration()).thenReturn(conf);
         ConnectionManager.CONNECTION_INSTANCES.put(connectionKey, connection);
       }
@@ -98,7 +97,7 @@ public class HConnectionTestingUtility {
       final ClientProtos.ClientService.BlockingInterface client,
       final ServerName sn, final HRegionInfo hri)
   throws IOException {
-    HConnectionImplementation c = Mockito.mock(HConnectionImplementation.class);
+    ConnectionImplementation c = Mockito.mock(ConnectionImplementation.class);
     Mockito.when(c.getConfiguration()).thenReturn(conf);
     ConnectionManager.CONNECTION_INSTANCES.put(new HConnectionKey(conf), c);
     Mockito.doNothing().when(c).close();
@@ -154,10 +153,10 @@ public class HConnectionTestingUtility {
   throws IOException {
     HConnectionKey connectionKey = new HConnectionKey(conf);
     synchronized (ConnectionManager.CONNECTION_INSTANCES) {
-      HConnectionImplementation connection =
+      ConnectionImplementation connection =
           ConnectionManager.CONNECTION_INSTANCES.get(connectionKey);
       if (connection == null) {
-        connection = Mockito.spy(new HConnectionImplementation(conf, false));
+        connection = Mockito.spy(new ConnectionImplementation(conf, false));
         ConnectionManager.CONNECTION_INSTANCES.put(connectionKey, connection);
       }
       return connection;
@@ -168,10 +167,10 @@ public class HConnectionTestingUtility {
   throws IOException {
     HConnectionKey connectionKey = new HConnectionKey(conf);
     synchronized (ConnectionManager.CONNECTION_INSTANCES) {
-      HConnectionImplementation connection =
+      ConnectionImplementation connection =
           ConnectionManager.CONNECTION_INSTANCES.get(connectionKey);
       if (connection == null) {
-        connection = Mockito.spy(new HConnectionImplementation(conf, false));
+        connection = Mockito.spy(new ConnectionImplementation(conf, false));
         ConnectionManager.CONNECTION_INSTANCES.put(connectionKey, connection);
       }
       return connection;

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestHCM.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestHCM.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestHCM.java
index 94c32c9..0b08562 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestHCM.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestHCM.java
@@ -29,7 +29,6 @@ import java.io.IOException;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.net.SocketTimeoutException;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -56,7 +55,6 @@ import org.apache.hadoop.hbase.RegionLocations;
 import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.Waiter;
-import org.apache.hadoop.hbase.client.ConnectionManager.HConnectionImplementation;
 import org.apache.hadoop.hbase.coprocessor.BaseRegionObserver;
 import org.apache.hadoop.hbase.coprocessor.ObserverContext;
 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
@@ -158,13 +156,13 @@ public class TestHCM {
     HConnection con1 = ConnectionManager.createConnection(TEST_UTIL.getConfiguration());
     HConnection con2 = ConnectionManager.createConnection(TEST_UTIL.getConfiguration(), otherPool);
     // make sure the internally created ExecutorService is the one passed
-    assertTrue(otherPool == ((HConnectionImplementation)con2).getCurrentBatchPool());
+    assertTrue(otherPool == ((ConnectionImplementation)con2).getCurrentBatchPool());
 
     String tableName = "testClusterConnection";
     TEST_UTIL.createTable(tableName.getBytes(), FAM_NAM).close();
     HTable t = (HTable)con1.getTable(tableName, otherPool);
     // make sure passing a pool to the getTable does not trigger creation of an internal
pool
-    assertNull("Internal Thread pool should be null", ((HConnectionImplementation)con1).getCurrentBatchPool());
+    assertNull("Internal Thread pool should be null", ((ConnectionImplementation)con1).getCurrentBatchPool());
     // table should use the pool passed
     assertTrue(otherPool == t.getPool());
     t.close();
@@ -185,7 +183,7 @@ public class TestHCM {
     t.close();
 
     t = (HTable)con1.getTable(tableName);
-    ExecutorService pool = ((HConnectionImplementation)con1).getCurrentBatchPool();
+    ExecutorService pool = ((ConnectionImplementation)con1).getCurrentBatchPool();
     // make sure an internal pool was created
     assertNotNull("An internal Thread pool should have been created", pool);
     // and that the table is using it
@@ -244,7 +242,7 @@ public class TestHCM {
         getRegionStates().isRegionsInTransition()){
       Thread.sleep(1);
     }
-    final HConnectionImplementation hci =  (HConnectionImplementation)t.getConnection();
+    final ConnectionImplementation hci =  (ConnectionImplementation)t.getConnection();
     while (t.getRegionLocation(rk).getPort() != sn.getPort()){
       TEST_UTIL.getHBaseAdmin().move(t.getRegionLocation(rk).getRegionInfo().
           getEncodedNameAsBytes(), Bytes.toBytes(sn.toString()));
@@ -388,8 +386,8 @@ public class TestHCM {
     });
 
     ServerName sn = table.getRegionLocation(ROW).getServerName();
-    ConnectionManager.HConnectionImplementation conn =
-        (ConnectionManager.HConnectionImplementation) table.getConnection();
+    ConnectionImplementation conn =
+        (ConnectionImplementation) table.getConnection();
     RpcClient rpcClient = conn.getRpcClient();
 
     LOG.info("Going to cancel connections. connection=" + conn.toString() + ", sn=" + sn);
@@ -502,7 +500,7 @@ public class TestHCM {
     p.add(FAM_NAM, FAM_NAM, FAM_NAM);
     table.put(p);
 
-    final HConnectionImplementation hci =  (HConnectionImplementation)table.getConnection();
+    final ConnectionImplementation hci =  (ConnectionImplementation)table.getConnection();
     final HRegionLocation loc = table.getRegionLocation(FAM_NAM);
 
     Get get = new Get(FAM_NAM);
@@ -573,8 +571,8 @@ public class TestHCM {
   @Test
   public void abortingHConnectionRemovesItselfFromHCM() throws Exception {
     // Save off current HConnections
-    Map<HConnectionKey, HConnectionImplementation> oldHBaseInstances =
-        new HashMap<HConnectionKey, HConnectionImplementation>();
+    Map<HConnectionKey, ConnectionImplementation> oldHBaseInstances =
+        new HashMap<HConnectionKey, ConnectionImplementation>();
     oldHBaseInstances.putAll(ConnectionManager.CONNECTION_INSTANCES);
 
     ConnectionManager.CONNECTION_INSTANCES.clear();
@@ -609,8 +607,8 @@ public class TestHCM {
     Put put = new Put(ROW);
     put.add(FAM_NAM, ROW, ROW);
     table.put(put);
-    ConnectionManager.HConnectionImplementation conn =
-      (ConnectionManager.HConnectionImplementation)table.getConnection();
+    ConnectionImplementation conn =
+      (ConnectionImplementation)table.getConnection();
 
     assertNotNull(conn.getCachedLocation(TABLE_NAME, ROW));
 
@@ -810,8 +808,8 @@ public class TestHCM {
     Put put = new Put(ROW);
     put.add(FAM_NAM, ROW, ROW);
     table.put(put);
-    ConnectionManager.HConnectionImplementation conn =
-      (ConnectionManager.HConnectionImplementation)table.getConnection();
+    ConnectionImplementation conn =
+      (ConnectionImplementation)table.getConnection();
 
     HRegionLocation location = conn.getCachedLocation(TABLE_NAME2, ROW).getRegionLocation();
     assertNotNull(location);
@@ -940,7 +938,7 @@ public class TestHCM {
     conn.close();
   }
 
-  private int setNumTries(HConnectionImplementation hci, int newVal) throws Exception {
+  private int setNumTries(ConnectionImplementation hci, int newVal) throws Exception {
     Field numTries = hci.getClass().getDeclaredField("numTries");
     numTries.setAccessible(true);
     Field modifiersField = Field.class.getDeclaredField("modifiers");
@@ -956,8 +954,8 @@ public class TestHCM {
   public void testMulti() throws Exception {
     HTable table = TEST_UTIL.createMultiRegionTable(TABLE_NAME3, FAM_NAM);
      try {
-       ConnectionManager.HConnectionImplementation conn =
-           ( ConnectionManager.HConnectionImplementation)table.getConnection();
+       ConnectionImplementation conn =
+           (ConnectionImplementation)table.getConnection();
 
        // We're now going to move the region and check that it works for the client
        // First a new put to add the location in the cache

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaWithReplicas.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaWithReplicas.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaWithReplicas.java
index b83dc81..ad595d4 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaWithReplicas.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMetaWithReplicas.java
@@ -40,7 +40,6 @@ import org.apache.hadoop.hbase.ServerName;
 import org.apache.hadoop.hbase.TableName;
 import org.apache.hadoop.hbase.TableNotFoundException;
 import org.apache.hadoop.hbase.Waiter;
-import org.apache.hadoop.hbase.client.ConnectionManager.HConnectionImplementation;
 import org.apache.hadoop.hbase.regionserver.StorefileRefresherChore;
 import org.apache.hadoop.hbase.testclassification.MediumTests;
 import org.apache.hadoop.hbase.util.Bytes;
@@ -233,7 +232,7 @@ public class TestMetaWithReplicas {
     }
     Table htable = TEST_UTIL.createTable(TABLE, FAMILIES, TEST_UTIL.getConfiguration());
     byte[] row = "test".getBytes();
-    HConnectionImplementation c = ((HConnectionImplementation)((HTable)htable).connection);
+    ConnectionImplementation c = ((ConnectionImplementation)((HTable)htable).connection);
     // check that metalookup pool would get created
     c.relocateRegion(TABLE, row);
     ExecutorService ex = c.getCurrentMetaLookupPool();

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiParallel.java
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiParallel.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiParallel.java
index abea699..2958834 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiParallel.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestMultiParallel.java
@@ -567,7 +567,7 @@ public class TestMultiParallel {
       validateResult(result, QUALIFIER, Bytes.toBytes((numRequests / 2) + 1L));
       table.close();
     } finally {
-      ConnectionManager.injectNonceGeneratorForTesting((ClusterConnection)connection, oldCnm);
+      ConnectionImplementation.injectNonceGeneratorForTesting((ClusterConnection) connection,
oldCnm);
     }
   }
 

http://git-wip-us.apache.org/repos/asf/hbase/blob/8579c6dd/hbase-server/src/test/resources/log4j.properties
----------------------------------------------------------------------
diff --git a/hbase-server/src/test/resources/log4j.properties b/hbase-server/src/test/resources/log4j.properties
index 69171f7..13a95b4 100644
--- a/hbase-server/src/test/resources/log4j.properties
+++ b/hbase-server/src/test/resources/log4j.properties
@@ -63,4 +63,4 @@ log4j.logger.org.apache.hadoop.hbase=DEBUG
 log4j.org.apache.hadoop.metrics2.impl.MetricsSystemImpl=ERROR
 log4j.org.apache.hadoop.metrics2.util.MBeans=ERROR
 # Enable this to get detailed connection error/retry logging.
-# log4j.logger.org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation=TRACE
+# log4j.logger.org.apache.hadoop.hbase.client.ConnectionImplementation=TRACE


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