001    // GraphLab Project: http://graphlab.sharif.edu
002    // Copyright (C) 2008 Mathematical Science Department of Sharif University of Technology
003    // Distributed under the terms of the GNU Lesser General Public License (LGPL): http://www.gnu.org/licenses/
004    
005    package graphlab.library.event;
006    
007    
008    /**
009     * It's just a tagging interface.
010     *
011     * @author Omid Aladini
012     */
013    public interface Event {
014        public String getID();
015    
016        public String getDescription();
017    
018        /**
019         * @return a message if the algorithm want to send any of them. this message will be loged and shown to the user
020         */
021        public String getMessage();
022    
023    }