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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  package org.apache.hadoop.hbase.regionserver;
19  
20  import org.apache.commons.logging.Log;
21  import org.apache.commons.logging.LogFactory;
22  import org.apache.hadoop.conf.Configuration;
23  import org.apache.hadoop.hbase.HBaseFileSystem;
24  
25  /**
26   * Acts as an abstraction layer b/w HBase and underlying fs. Used for making non-idempotent calls.
27   * This is useful as it can have a retry logic for such operations, as they are not retried at
28   * hdfs level.
29   * Region specific methods that access fs should be added here.
30   *
31   */
32  public class HRegionFileSystem extends HBaseFileSystem {
33    public static final Log LOG = LogFactory.getLog(HRegionFileSystem.class);
34  
35    public HRegionFileSystem(Configuration conf) {
36      setRetryCounts(conf);
37    }
38  }