fix checkstyle

Author: ZhaoBQ

hbase-client/src/main/java/org/apache/hadoop/hbase/replication/ReplicationPeerConfig.java

@@ -33,7 +33,7 @@
  * A configuration for the replication peer cluster.
  */
 @InterfaceAudience.Public
-public class ReplicationPeerConfig {
+public final class ReplicationPeerConfig {
 
   private String clusterKey;
   private String replicationEndpointImpl;

hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestMasterReplication.java

@@ -634,7 +634,8 @@ private void addPeer(String id, int masterClusterNumber, int slaveClusterNumber,
       Admin admin = conn.getAdmin()) {
       admin.addReplicationPeer(
         id,
-        ReplicationPeerConfig.newBuilder().setClusterKey(utilities[slaveClusterNumber].getClusterKey())
+        ReplicationPeerConfig.newBuilder()
+          .setClusterKey(utilities[slaveClusterNumber].getClusterKey())
           .setReplicateAllUserTables(false)
           .setTableCFsMap(ReplicationPeerConfigUtil.parseTableCFsFromConfig(tableCfs)).build());
     }

hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationEndpoint.java

@@ -141,10 +141,11 @@ public String explainFailure() throws Exception {
   @Test
   public void testCustomReplicationEndpoint() throws Exception {
     // test installing a custom replication endpoint other than the default one.
-    hbaseAdmin.addReplicationPeer("testCustomReplicationEndpoint", ReplicationPeerConfig.newBuilder()
-      .setClusterKey(ZKConfig.getZooKeeperClusterKey(CONF1))
-      .setReplicationEndpointImpl(ReplicationEndpointForTest.class.getName())
-      .build());
+    hbaseAdmin.addReplicationPeer("testCustomReplicationEndpoint",
+      ReplicationPeerConfig.newBuilder()
+        .setClusterKey(ZKConfig.getZooKeeperClusterKey(CONF1))
+        .setReplicationEndpointImpl(ReplicationEndpointForTest.class.getName())
+        .build());
 
     // check whether the class has been constructed and started
     Waiter.waitFor(CONF1, 60000, new Waiter.Predicate<Exception>() {
@@ -188,8 +189,7 @@ public void testReplicationEndpointReturnsFalseOnReplicate() throws Exception {
       ReplicationPeerConfig.newBuilder()
         .setClusterKey(ZKConfig.getZooKeeperClusterKey(CONF1))
         .setReplicationEndpointImpl(ReplicationEndpointReturningFalse.class.getName())
-        .build()
-      );
+        .build());
     // This test is flakey and then there is so much stuff flying around in here its, hard to
     // debug.  Peer needs to be up for the edit to make it across. This wait on
     // peer count seems to be a hack that has us not progress till peer is up.
@@ -242,8 +242,8 @@ public void testInterClusterReplication() throws Exception {
     hbaseAdmin.addReplicationPeer(id,
       ReplicationPeerConfig.newBuilder()
         .setClusterKey(ZKConfig.getZooKeeperClusterKey(CONF2))
-        .setReplicationEndpointImpl(InterClusterReplicationEndpointForTest.class.getName()).build()
-      );
+        .setReplicationEndpointImpl(InterClusterReplicationEndpointForTest.class.getName())
+        .build());
 
     final int numEdits = totEdits;
     Waiter.waitFor(CONF1, 30000, new Waiter.ExplainingPredicate<Exception>() {