benchmark.java

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/*  Sesame - Storage and Querying architecture for RDF and RDF Schema
 *  Copyright (C) 2001-2005 Aduna
 *
 *  Contact: 
 *  	Aduna
 *  	Prinses Julianaplein 14 b
 *  	3817 CS Amersfoort
 *  	The Netherlands
 *  	tel. [phone]
 *  	fax. [phone]
 *
 *  	http://aduna.biz/
 *  	http://www.openrdf.org/
 *  
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package org.openrdf.sesame.sail.test.benchmark;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Properties;

import org.openrdf.util.log.ThreadLog;

import org.openrdf.sesame.sail.RdfRepository;
import org.openrdf.sesame.sail.RdfSchemaRepository;
import org.openrdf.sesame.sail.RdfSchemaSource;
import org.openrdf.sesame.sail.RdfSource;
import org.openrdf.sesame.sail.Sail;
import org.openrdf.sesame.sail.test.benchmark.util.BMUtil;

/**
 * Main class benchmark test.
 *
 * @author Peter van 't Hof.
 * @version %I%, %G%
 */
public class Benchmark {

/*--------+
| Methods |
+--------*/	
	/**
	 * Main method.
	 *
	 * @param args String array containing location configuration file.
	 */
	public static void main(String[] args) {
		BMUtil.notify
			("Welcome to Benchmark (Version 0.1).\n" + 
			 "\t  Copyright (c) 2002 Aidministrator.\n" + 
			 "\t  Please send any comments to [e-mail].");
		
		// Get location configuration file.
		String file = null;

		if (args.length > 0) {
			file = args[0];
		}
		else {
			_exit("No properties file specified. Usage: java org.openrdf.sesame.sail.test.benchmark.Benchmark <properties_file>");
		}
		
		try {	
			_status("Configuring benchmark test...");

			// Load configuration file.
			Properties properties = new Properties();
			
			try {
				properties.load(new FileInputStream(file));
			}
			catch (FileNotFoundException e) {
				_exit("File " + file + " could not be found.");
			}

			// Instantiate Sail.
			Sail sail = null;
			SailBMTest test = null;		
			String sailClassName = properties.getProperty("sailClass");
			
			if (sailClassName == null) {
				_exit("sailClass missing.");
			}
			
			try {
				Class sailClass = Class.forName(sailClassName);
				
				// Suppress traces.
				ThreadLog.registerThread(null, 0);
			
				try {
					sail = (org.openrdf.sesame.sail.Sail)sailClass.newInstance();
				}
				catch (InstantiationException e) {
					_exit("Class " + sailClassName + " could not be instantiated.");
				}
				catch (IllegalAccessException e) {
					_exit("Class " + sailClassName + " could not be accessed.");
				}
				catch (ClassCastException e) {
					_exit("Class " + sailClassName + 
						  " does not implement interface nl.aidministrator.sail.Sail.");
				}

				// Show traces.
				ThreadLog.registerThread(null, 5);				
			}
			catch (ClassNotFoundException e) {
				_exit("Class " + sailClassName + " not found.");
			}
			
			if (sail instanceof RdfSchemaRepository) {
 				test = new RdfSchemaRepositoryBMTest((RdfSchemaRepository)sail, properties);
	 		} 
			else if (sail instanceof RdfSchemaSource) {
 				test = 
	 				new RdfSchemaSourceBMTest((RdfSchemaSource)sail, properties);
 			}
	 		else if (sail instanceof RdfRepository) {
 				test = new RdfRepositoryBMTest((RdfRepository)sail, properties);
 			} 
	 		else if (sail instanceof RdfSource) {
 		 		test = new RdfSourceBMTest((RdfSource)sail, properties);
			}
			else {
				test = new SailBMTest(sail, properties);
			}

			_status("Benchmark test configured.");

			test.test();
 		}
		catch(Exception e) {
			e.printStackTrace(System.out);
			_exit("An Exception was thrown.");
		}
	}

	protected static void _status(String status) {
		BMUtil.status(status);
	}

	protected static void _exit(String error) {
		BMUtil.exit(error);
	}
}