hbase-server/src/test/java/org/apache/hadoop/hbase/client/DummyConnectionRegistry.java

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18 package org.apache.hadoop.hbase.client;
  19
  20 import java.util.concurrent.CompletableFuture;
  21 import org.apache.hadoop.hbase.HConstants;
  22 import org.apache.hadoop.hbase.RegionLocations;
  23 import org.apache.hadoop.hbase.ServerName;
  24
  25 /**
  26  * Can be overridden in UT if you only want to implement part of the methods in
  27  * {@link ConnectionRegistry}.
  28  */
  29 public class DummyConnectionRegistry implements ConnectionRegistry {
  30
  31   public static final String REGISTRY_IMPL_CONF_KEY =
  32       HConstants.CLIENT_CONNECTION_REGISTRY_IMPL_CONF_KEY;
  33
  34   @Override
  35   public CompletableFuture<RegionLocations> getMetaRegionLocations() {
  36     return null;
  37   }
  38
  39   @Override
  40   public CompletableFuture<String> getClusterId() {
  41     return null;
  42   }
  43
  44   @Override
  45   public CompletableFuture<ServerName> getActiveMaster() {
  46     return null;
  47   }
  48
  49   @Override
  50   public void close() {
  51   }
  52 }