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 General Public License (GPL): http://www.gnu.org/licenses/
004    
005    package graphlab.samples.extensions;
006    
007    import graphlab.plugins.main.GraphData;
008    import graphlab.plugins.reports.extension.GraphReportExtension;
009    
010    public class NumOfVerticesReport implements GraphReportExtension {
011        public String getName() {
012            return "num of vertices";
013        }
014    
015        public String getDescription() {
016            return "Number of vertices in graph";
017        }
018    
019        public Object calculate(GraphData gd) {
020            return 0;
021        }
022    }