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.procedure;
019
020import java.io.IOException;
021import org.apache.hadoop.hbase.regionserver.RegionServerServices;
022import org.apache.yetus.audience.InterfaceAudience;
023import org.apache.yetus.audience.InterfaceStability;
024import org.apache.zookeeper.KeeperException;
025
026/**
027 * A life-cycle management interface for globally barriered procedures on region servers.
028 */
029@InterfaceAudience.Private
030@InterfaceStability.Evolving
031public abstract class RegionServerProcedureManager extends ProcedureManager {
032  /**
033   * Initialize a globally barriered procedure for region servers.
034   * @param rss Region Server service interface
035   */
036  public abstract void initialize(RegionServerServices rss) throws KeeperException;
037
038  /**
039   * Start accepting procedure requests.
040   */
041  public abstract void start();
042
043  /**
044   * Close <tt>this</tt> and all running procedure tasks
045   * @param force forcefully stop all running tasks
046   */
047  public abstract void stop(boolean force) throws IOException;
048}