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.util;
20
21 import java.io.IOException;
22
23 import org.apache.hadoop.classification.InterfaceAudience;
24 import org.apache.hadoop.conf.Configuration;
25 import org.apache.hadoop.fs.FileSystem;
26 import org.apache.hadoop.fs.Path;
27 import org.apache.hadoop.fs.permission.FsPermission;
28 import org.apache.commons.logging.Log;
29 import org.apache.commons.logging.LogFactory;
30
31 /**
32 * <a href="http://www.mapr.com">MapR</a> implementation.
33 */
34 @InterfaceAudience.Private
35 public class FSMapRUtils extends FSUtils {
36 private static final Log LOG = LogFactory.getLog(FSMapRUtils.class);
37
38 public void recoverFileLease(final FileSystem fs, final Path p,
39 Configuration conf, CancelableProgressable reporter) throws IOException {
40 LOG.info("Recovering file " + p.toString() +
41 " by changing permission to readonly");
42 FsPermission roPerm = new FsPermission((short) 0444);
43 fs.setPermission(p, roPerm);
44 }
45 }