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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.hadoop.hbase.regionserver.handler;
20  
21  import java.io.IOException;
22  
23  import org.apache.commons.logging.Log;
24  import org.apache.commons.logging.LogFactory;
25  import org.apache.hadoop.hbase.executor.EventHandler;
26  import org.apache.hadoop.hbase.executor.EventType;
27  import org.apache.hadoop.hbase.regionserver.HRegion;
28  import org.apache.hadoop.hbase.regionserver.Region;
29  import org.apache.hadoop.hbase.regionserver.RegionServerServices;
30  
31  public class FinishRegionRecoveringHandler extends EventHandler {
32    private static final Log LOG = LogFactory.getLog(FinishRegionRecoveringHandler.class);
33  
34    protected final RegionServerServices rss;
35    protected final String regionName;
36    protected final String path;
37  
38    public FinishRegionRecoveringHandler(RegionServerServices rss,
39        String regionName, String path) {
40      // we are using the open region handlers, since this operation is in the region open lifecycle
41      super(rss, EventType.M_RS_OPEN_REGION);
42      this.rss = rss;
43      this.regionName = regionName;
44      this.path = path;
45    }
46  
47    @Override
48    public void process() throws IOException {
49      Region region = this.rss.getRecoveringRegions().remove(regionName);
50      if (region != null) {
51        ((HRegion)region).setRecovering(false);
52        LOG.info(path + " deleted; " + regionName + " recovered.");
53      }
54    }
55  
56  }