001/* A DDP director to run Hadoop jobs.
002 * 
003 * Copyright (c) 2013 The Regents of the University of California.
004 * All rights reserved.
005 *
006 * '$Author: crawl $'
007 * '$Date: 2013-10-30 18:03:11 +0000 (Wed, 30 Oct 2013) $' 
008 * '$Revision: 32529 $'
009 * 
010 * Permission is hereby granted, without written agreement and without
011 * license or royalty fees, to use, copy, modify, and distribute this
012 * software and its documentation for any purpose, provided that the above
013 * copyright notice and the following two paragraphs appear in all copies
014 * of this software.
015 *
016 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
017 * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
018 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
019 * THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
020 * SUCH DAMAGE.
021 *
022 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
023 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
024 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
025 * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
026 * CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
027 * ENHANCEMENTS, OR MODIFICATIONS.
028 *
029 */
030package org.kepler.hadoop.director;
031
032import org.kepler.ddp.director.DDPDirector;
033
034import ptolemy.kernel.CompositeEntity;
035import ptolemy.kernel.util.IllegalActionException;
036import ptolemy.kernel.util.NameDuplicationException;
037import ptolemy.kernel.util.Workspace;
038
039/** A DDP director that uses the Hadoop engine to convert DDP pattern
040 *  actors (Map, Reduce, Cross, CoGroup, and Match) and I/O actors
041 *  (DDPDataSink and DDPDataSource) into a Hadoop job and runs it on
042 *  the server.
043 *  <p>
044 *  <b>NOTE:</b> Only DDP pattern and I/O actors may be present in the
045 *  workflow. Other actors must placed inside the composite pattern actors
046 *  or in a different sub-workflow.
047 *  </p>
048 * 
049 * @author Daniel Crawl
050 * @version $Id: HadoopDirector.java 32529 2013-10-30 18:03:11Z crawl $
051 * 
052 */
053public class HadoopDirector extends DDPDirector {
054
055        /** Create a new HadoopDirector in a container with a specific name. */
056        public HadoopDirector(CompositeEntity container, String name)
057                        throws IllegalActionException, NameDuplicationException {
058                super(container, name);
059                engine.setToken("Hadoop");
060        }
061
062        /** Create a new HadoopDirector for a workspace. */
063        public HadoopDirector(Workspace workspace) throws IllegalActionException,
064                        NameDuplicationException {
065                super(workspace);
066                engine.setToken("Hadoop");
067        }
068}