| /* |
| * 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.chukwa.util; |
| |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import org.apache.hadoop.chukwa.conf.ChukwaConfiguration; |
| import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecord; |
| import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecordKey; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.io.SequenceFile; |
| |
| public class DumpRecord { |
| |
| /** |
| * @param args is command line parameters |
| * @throws URISyntaxException if problem parsing URL |
| * @throws IOException if problem reading files on HDFS |
| */ |
| public static void main(String[] args) throws IOException, URISyntaxException { |
| System.out.println("Input file:" + args[0]); |
| |
| ChukwaConfiguration conf = new ChukwaConfiguration(); |
| String fsName = conf.get("writer.hdfs.filesystem"); |
| FileSystem fs = FileSystem.get(new URI(fsName), conf); |
| |
| SequenceFile.Reader r = new SequenceFile.Reader(fs, new Path(args[0]), conf); |
| |
| ChukwaRecordKey key = new ChukwaRecordKey(); |
| ChukwaRecord record = new ChukwaRecord(); |
| try { |
| while (r.next(key, record)) { |
| System.out.println("\t ===== KEY ===== "); |
| |
| System.out.println("DataType: " + key.getReduceType()); |
| System.out.println("\nKey: " + key.getKey()); |
| System.out.println("\t ===== Value ====="); |
| |
| String[] fields = record.getFields(); |
| System.out.println("Timestamp : " + record.getTime()); |
| for (String field : fields) { |
| System.out.println("[" + field + "] :" + record.getValue(field)); |
| } |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| |
| } |
| |
| } |