001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import java.util.concurrent.CompletableFuture;
021import org.apache.hadoop.hbase.HConstants;
022import org.apache.hadoop.hbase.RegionLocations;
023import org.apache.hadoop.hbase.ServerName;
024
025/**
026 * Can be overridden in UT if you only want to implement part of the methods in
027 * {@link ConnectionRegistry}.
028 */
029public class DummyConnectionRegistry implements ConnectionRegistry {
030
031  public static final String REGISTRY_IMPL_CONF_KEY =
032    HConstants.CLIENT_CONNECTION_REGISTRY_IMPL_CONF_KEY;
033
034  @Override
035  public CompletableFuture<RegionLocations> getMetaRegionLocations() {
036    return null;
037  }
038
039  @Override
040  public CompletableFuture<String> getClusterId() {
041    return null;
042  }
043
044  @Override
045  public CompletableFuture<ServerName> getActiveMaster() {
046    return null;
047  }
048
049  @Override
050  public String getConnectionString() {
051    return null;
052  }
053
054  @Override
055  public void close() {
056  }
057}