001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018
019package org.apache.hadoop.hbase.util;
020
021import java.io.IOException;
022
023import org.apache.yetus.audience.InterfaceAudience;
024import org.slf4j.Logger;
025import org.slf4j.LoggerFactory;
026import org.apache.hadoop.conf.Configuration;
027import org.apache.hadoop.fs.FileSystem;
028import org.apache.hadoop.fs.Path;
029import org.apache.hadoop.fs.permission.FsPermission;
030
031/**
032 * <a href="http://www.mapr.com/">MapR</a> implementation.
033 */
034@InterfaceAudience.Private
035public class FSMapRUtils extends FSUtils {
036  private static final Logger LOG = LoggerFactory.getLogger(FSMapRUtils.class);
037
038  @Override
039  public void recoverFileLease(final FileSystem fs, final Path p,
040      Configuration conf, CancelableProgressable reporter) throws IOException {
041    LOG.info("Recovering file " + p.toString() +
042      " by changing permission to readonly");
043    FsPermission roPerm = new FsPermission((short) 0444);
044    fs.setPermission(p, roPerm);
045  }
046}