001/*  
002 * Copyright (c) 2012-2013 The Regents of the University of California.
003 * All rights reserved.
004 *
005 * '$Author: crawl $'
006 * '$Date: 2014-11-12 23:21:09 +0000 (Wed, 12 Nov 2014) $' 
007 * '$Revision: 33070 $'
008 * 
009 * Permission is hereby granted, without written agreement and without
010 * license or royalty fees, to use, copy, modify, and distribute this
011 * software and its documentation for any purpose, provided that the above
012 * copyright notice and the following two paragraphs appear in all copies
013 * of this software.
014 *
015 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
016 * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
017 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
018 * THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
019 * SUCH DAMAGE.
020 *
021 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
022 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
023 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
024 * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
025 * CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
026 * ENHANCEMENTS, OR MODIFICATIONS.
027 *
028 */
029
030package org.kepler.hadoop.io;
031
032import org.apache.hadoop.io.Writable;
033import org.apache.hadoop.io.WritableComparable;
034
035//////////////////////////////////////////////////////////////////////////
036////KeyValuePair
037
038/**
039* This class record key and value object of a DDP sub-workflow.
040* 
041* @author Jianwu Wang (jianwu@sdsc.edu)
042* @version $Id: KeyValuePair.java 33070 2014-11-12 23:21:09Z crawl $
043*/
044public class KeyValuePair{
045        
046        public KeyValuePair(Object key, Object value){
047                this.key = (WritableComparable)key;
048                this.value = (Writable) value;
049        }
050        
051        public KeyValuePair() {
052                // TODO Auto-generated constructor stub
053        }
054
055        WritableComparable key;
056        Writable value;
057        
058        public WritableComparable getKey() {
059                return key;
060        }
061        public void setKey(WritableComparable key) {
062                this.key = key;
063        }
064        public Writable getValue() {
065                return value;
066        }
067        public void setValue(Writable value) {
068                this.value = value;
069        }
070        
071        
072}