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.master.balancer;
019
020import java.util.HashMap;
021import java.util.Map;
022import org.apache.hadoop.conf.Configuration;
023
024/**
025 * Used for FavoredNode unit tests
026 */
027public class LoadOnlyFavoredStochasticBalancer extends FavoredStochasticBalancer {
028
029  @Override
030  protected Map<Class<? extends CandidateGenerator>, CandidateGenerator>
031    createCandidateGenerators(Configuration conf) {
032    Map<Class<? extends CandidateGenerator>, CandidateGenerator> fnPickers = new HashMap<>(1);
033    fnPickers.put(FavoredNodeLoadPicker.class, new FavoredNodeLoadPicker());
034    return fnPickers;
035  }
036}