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
030 *             coordinator.
031 */
032@Deprecated
033@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
034public class ZkCoordinatedStateManager implements CoordinatedStateManager {
035  protected ZKWatcher watcher;
036  protected SplitLogWorkerCoordination splitLogWorkerCoordination;
037  protected SplitLogManagerCoordination splitLogManagerCoordination;
038
039  public ZkCoordinatedStateManager(Server server) {
040    this.watcher = server.getZooKeeper();
041    splitLogWorkerCoordination = new ZkSplitLogWorkerCoordination(server.getServerName(), watcher);
042    splitLogManagerCoordination =
043      new ZKSplitLogManagerCoordination(server.getConfiguration(), watcher);
044  }
045
046  @Override
047  public SplitLogWorkerCoordination getSplitLogWorkerCoordination() {
048    return splitLogWorkerCoordination;
049  }
050
051  @Override
052  public SplitLogManagerCoordination getSplitLogManagerCoordination() {
053    return splitLogManagerCoordination;
054  }
055}