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