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.mapreduce; 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.classification.InterfaceAudience; 26 import org.apache.hadoop.hbase.classification.InterfaceStability; 27 import org.apache.hadoop.fs.Path; 28 import org.apache.hadoop.conf.Configuration; 29 import org.apache.hadoop.mapreduce.Cluster; 30 import org.apache.hadoop.mapreduce.JobSubmissionFiles; 31 32 /** 33 * Utility methods to interact with a job. 34 */ 35 @InterfaceAudience.Private 36 @InterfaceStability.Evolving 37 public abstract class JobUtil { 38 private static final Log LOG = LogFactory.getLog(JobUtil.class); 39 40 protected JobUtil() { 41 super(); 42 } 43 44 /** 45 * Initializes the staging directory and returns the path. 46 * 47 * @param conf system configuration 48 * @return staging directory path 49 * @throws IOException 50 * @throws InterruptedException 51 */ 52 public static Path getStagingDir(Configuration conf) 53 throws IOException, InterruptedException { 54 return JobSubmissionFiles.getStagingDir(new Cluster(conf), conf); 55 } 56 }