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.coordination; 019 020import org.apache.hadoop.hbase.CoordinatedStateManager; 021import org.apache.hadoop.hbase.HBaseInterfaceAudience; 022import org.apache.hadoop.hbase.Server; 023import org.apache.hadoop.hbase.zookeeper.ZKWatcher; 024import org.apache.yetus.audience.InterfaceAudience; 025 026/** 027 * ZooKeeper-based implementation of {@link org.apache.hadoop.hbase.CoordinatedStateManager}. 028 * @deprecated since 2.4.0 and in 3.0.0, to be removed in 4.0.0, replaced by procedure-based 029 * distributed WAL splitter (see SplitWALManager) which doesn't use this zk-based coordinator. 030 */ 031@Deprecated 032@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG) 033public class ZkCoordinatedStateManager implements CoordinatedStateManager { 034 protected ZKWatcher watcher; 035 protected SplitLogWorkerCoordination splitLogWorkerCoordination; 036 protected SplitLogManagerCoordination splitLogManagerCoordination; 037 038 public ZkCoordinatedStateManager(Server server) { 039 this.watcher = server.getZooKeeper(); 040 splitLogWorkerCoordination = new ZkSplitLogWorkerCoordination(server.getServerName(), watcher); 041 splitLogManagerCoordination = new ZKSplitLogManagerCoordination(server.getConfiguration(), 042 watcher); 043 } 044 045 @Override 046 public SplitLogWorkerCoordination getSplitLogWorkerCoordination() { 047 return splitLogWorkerCoordination; 048 } 049 050 @Override 051 public SplitLogManagerCoordination getSplitLogManagerCoordination() { 052 return splitLogManagerCoordination; 053 } 054}