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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.HTableDescriptor;
24  import org.apache.hadoop.hbase.Server;
25  import org.apache.hadoop.hbase.executor.EventType;
26  import org.apache.hadoop.hbase.regionserver.RegionServerServices;
27  import org.apache.hadoop.hbase.coordination.OpenRegionCoordination;
28  
29  /**
30   * Handles opening of a meta region on a region server.
31   * <p>
32   * This is executed after receiving an OPEN RPC from the master for meta.
33   */
34  @InterfaceAudience.Private
35  public class OpenMetaHandler extends OpenRegionHandler {
36    public OpenMetaHandler(final Server server,
37        final RegionServerServices rsServices, HRegionInfo regionInfo,
38        final HTableDescriptor htd, OpenRegionCoordination coordination,
39        OpenRegionCoordination.OpenRegionDetails ord) {
40      super(server, rsServices, regionInfo, htd, EventType.M_RS_OPEN_META,
41          coordination, ord);
42    }
43  }