| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.mapreduce; |
| |
| import java.io.IOException; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo; |
| |
| /** |
| * Used to parse job history and configuration files. |
| */ |
| class JobHistoryFileParser { |
| private static final Log LOG = LogFactory.getLog(JobHistoryFileParser.class); |
| |
| private final FileSystem fs; |
| |
| public JobHistoryFileParser(FileSystem fs) { |
| LOG.info("JobHistoryFileParser created with " + fs); |
| this.fs = fs; |
| } |
| |
| public JobInfo parseHistoryFile(Path path) throws IOException { |
| LOG.info("parsing job history file " + path); |
| JobHistoryParser parser = new JobHistoryParser(fs, path); |
| return parser.parse(); |
| } |
| |
| public Configuration parseConfiguration(Path path) throws IOException { |
| LOG.info("parsing job configuration file " + path); |
| Configuration conf = new Configuration(false); |
| conf.addResource(fs.open(path)); |
| return conf; |
| } |
| } |