| /* |
| * 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.pig.data; |
| |
| import java.text.ParseException; |
| import java.text.SimpleDateFormat; |
| import java.util.ArrayList; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| public class TimestampedTuple extends DefaultTuple { |
| |
| /** |
| * |
| */ |
| private static final long serialVersionUID = 2L; |
| private static final Log log = LogFactory.getLog(TimestampedTuple.class); |
| static String defaultDelimiter = "[,\t]"; |
| |
| protected double timestamp = 0; // timestamp of this tuple |
| protected boolean heartbeat = false; // true iff this is a heartbeat (i.e. purpose is just to convey new timestamp; carries no data) |
| |
| public double getTimeStamp() { |
| return timestamp; |
| } |
| public void setTimeStamp(double t) { |
| this.timestamp = t; |
| } |
| public boolean isHeartBeat() { |
| return heartbeat; |
| } |
| public void setHeartBeat(boolean h) { |
| this.heartbeat = h; |
| } |
| public TimestampedTuple(int numFields) { |
| super(numFields); |
| } |
| |
| public TimestampedTuple(String textLine, String delimiter, int timestampColumn, |
| SimpleDateFormat dateFormat){ |
| if (delimiter == null) { |
| delimiter = defaultDelimiter; |
| } |
| String[] splitString = textLine.split(delimiter, -1); |
| mFields = new ArrayList<Object>(splitString.length-1); |
| for (int i = 0; i < splitString.length; i++) { |
| if (i==timestampColumn){ |
| try{ |
| timestamp = dateFormat.parse(splitString[i]).getTime()/1000.0; |
| }catch(ParseException e){ |
| log.error("Could not parse timestamp " + splitString[i]); |
| } |
| }else{ |
| mFields.add(splitString[i]); |
| } |
| } |
| } |
| } |