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; 19 20 import org.apache.hadoop.hbase.classification.InterfaceAudience; 21 import org.apache.hadoop.conf.Configuration; 22 import org.apache.hadoop.hbase.coordination.ZkCoordinatedStateManager; 23 import org.apache.hadoop.util.ReflectionUtils; 24 25 /** 26 * Creates instance of {@link CoordinatedStateManager} 27 * based on configuration. 28 */ 29 @InterfaceAudience.Private 30 public class CoordinatedStateManagerFactory { 31 32 /** 33 * Creates consensus provider from the given configuration. 34 * @param conf Configuration 35 * @return Implementation of {@link CoordinatedStateManager} 36 */ 37 public static CoordinatedStateManager getCoordinatedStateManager(Configuration conf) { 38 Class<? extends CoordinatedStateManager> coordinatedStateMgrKlass = 39 conf.getClass(HConstants.HBASE_COORDINATED_STATE_MANAGER_CLASS, 40 ZkCoordinatedStateManager.class, CoordinatedStateManager.class); 41 return ReflectionUtils.newInstance(coordinatedStateMgrKlass, conf); 42 } 43 }