001/* Module deinitializer for spark module.
002 * 
003 * Copyright (c) 2014 The Regents of the University of California.
004 * All rights reserved.
005 *
006 * '$Author: crawl $'
007 * '$Date: 2015-06-22 18:30:58 +0000 (Mon, 22 Jun 2015) $' 
008 * '$Revision: 33494 $'
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.module.spark;
031
032import org.kepler.module.ModuleShutdownable;
033import org.kepler.spark.actor.SparkConnection;
034import org.kepler.spark.director.SparkEngine;
035
036import ptolemy.kernel.util.IllegalActionException;
037import ptolemy.util.MessageHandler;
038
039public class Shutdown implements ModuleShutdownable {
040
041    /** Shutdown the Spark server if one was started. */
042    @Override
043    public void shutdownModule() {
044        
045        try {
046            SparkEngine.shutdownServer();
047        } catch (IllegalActionException e) {
048            MessageHandler.error("Error stopping Spark server.", e);
049        }        
050        
051        SparkConnection.shutdown();
052    }
053
054}