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1   /**
2    * Copyright 2010 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  package org.apache.hadoop.hbase.regionserver.handler;
21  
22  import org.apache.hadoop.hbase.HRegionInfo;
23  import org.apache.hadoop.hbase.Server;
24  import org.apache.hadoop.hbase.regionserver.RegionServerServices;
25  
26  /**
27   * Handles closing of the root region on a region server.
28   */
29  public class CloseMetaHandler extends CloseRegionHandler {
30    // Called when master tells us shutdown a region via close rpc
31    public CloseMetaHandler(final Server server,
32        final RegionServerServices rsServices, final HRegionInfo regionInfo) {
33      this(server, rsServices, regionInfo, false, true, -1);
34    }
35  
36    // Called when regionserver determines its to go down; not master orchestrated
37    public CloseMetaHandler(final Server server,
38        final RegionServerServices rsServices,
39        final HRegionInfo regionInfo,
40        final boolean abort, final boolean zk, final int versionOfClosingNode) {
41      super(server, rsServices, regionInfo, abort, zk, versionOfClosingNode,
42        EventType.M_RS_CLOSE_META);
43    }
44  }