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1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *     http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   */
19  package org.apache.hadoop.hbase.regionserver.handler;
20  
21  import org.apache.hadoop.classification.InterfaceAudience;
22  import org.apache.hadoop.hbase.HRegionInfo;
23  import org.apache.hadoop.hbase.Server;
24  import org.apache.hadoop.hbase.executor.EventType;
25  import org.apache.hadoop.hbase.regionserver.RegionServerServices;
26  
27  /**
28   * Handles closing of the root region on a region server.
29   */
30  @InterfaceAudience.Private
31  public class CloseMetaHandler extends CloseRegionHandler {
32    // Called when master tells us shutdown a region via close rpc
33    public CloseMetaHandler(final Server server,
34        final RegionServerServices rsServices, final HRegionInfo regionInfo) {
35      this(server, rsServices, regionInfo, false, true, -1);
36    }
37  
38    // Called when regionserver determines its to go down; not master orchestrated
39    public CloseMetaHandler(final Server server,
40        final RegionServerServices rsServices,
41        final HRegionInfo regionInfo,
42        final boolean abort, final boolean zk, final int versionOfClosingNode) {
43      super(server, rsServices, regionInfo, abort, zk, versionOfClosingNode,
44        EventType.M_RS_CLOSE_META);
45    }
46  }