sailbmtest.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.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Properties;
import java.util.StringTokenizer;

import org.openrdf.sesame.sail.Sail;
import org.openrdf.sesame.sail.SailInitializationException;
import org.openrdf.sesame.sail.test.benchmark.pools.SailPool;
import org.openrdf.sesame.sail.test.benchmark.tests.Initialize;
import org.openrdf.sesame.sail.test.benchmark.tests.SailBMTestA;
import org.openrdf.sesame.sail.test.benchmark.tests.ShutDown;
import org.openrdf.sesame.sail.test.benchmark.util.BMUtil;

/**
 * Tests performance of implementations of org.openrdf.sesame.sail.Sail.
 *
 * @author Peter van 't Hof
 * @version %I%, %G%
 */
public class SailBMTest {

/*----------+
| Variables |
+----------*/
	// Sail to test performance of.
	protected Sail _sail;

	// Test configuration.
	protected Properties _properties;	

	// Maximum time in millisseconds.
	protected final static int _maxTime = 54000000;

	// List containing individual tests.
	protected List _tests;

/*-------------+
| Constructors |
+-------------*/
	/**
	 * Creates a new benchmark test which tests implementations of
	 * org.openrdf.sesame.sail.Sail.
	 *
	 * @param sail Sail to test.
	 * @param properties Configuration file.
	 */	
	public SailBMTest(Sail sail, Properties properties) {
		_sail = sail;
		_properties = properties;
		_tests = new ArrayList();
	}

/*--------+
| Methods |
+--------*/
	/**
	 * Tests performance of Sail.
	 *
	 * @throws IOException If an I/O error occurs.
	 * @throws SailInitializationException If the Sail could not be initialized.
	 */
 	public void test()
		throws Exception {
		_status("Testing " + _properties.getProperty("description") + "...");

		// Get configuration parameters.
		Map parameters = new HashMap();
		StringTokenizer tokenizer = 
			new StringTokenizer(_getProperty("configKeys"), ",");
		
		while (tokenizer.hasMoreTokens()) {
			String configKey = tokenizer.nextToken().trim();

			parameters.put(configKey, _getProperty(configKey));
		}
		
		_tests.add(new Initialize(_sail, parameters));

		_createTests();

		_tests.add(new ShutDown(_sail));

		_executeTests();

		_status("Sail tested.");
	}

	protected void _createTests() {}

	protected void _executeTests() 
		throws Exception {	
		boolean testsDone = false;
		boolean poolFilled = false;				

		while(!testsDone) {
			ListIterator j = _tests.listIterator();
						
			if (!j.hasNext()) {
				testsDone = true;
			}
			else {
				while(j.hasNext()) {
					SailBMTestA test = (SailBMTestA)j.next();

					// Skip ShutDown until no more tests left.
					if (!j.hasNext() && _tests.size() > 1) {
						break;
					}

					if (test.needsPool() && !poolFilled) {
						_fillPool();
						
						poolFilled = true;
					}

					test.test();
					
					if (test.testDone()) {
						System.out.println();
						System.out.println(test.toString());

						// Remove test from list.
						j.remove();
					}
				}
			}
		}

		System.out.println();
	}

	protected void _fillPool()
		throws IOException, ClassNotFoundException {
		String file = _getProperty("pool");
		SailPool pool = _getPool();
		
		try {
			System.out.println();

			pool.load(file);
		} 
		catch (FileNotFoundException e) {
			pool.initialize();
			pool.save(file);
		}
	}

	protected SailPool _getPool() {
		return new SailPool(_sail);
	}

	protected String _getProperty(String name) {
		String value = _properties.getProperty(name);

		if (value == null) {
			BMUtil.exit(name + " missing.");
		}

		return value;
	}

	// Checks whether benchmark test with name name should be executed.
	protected boolean _executeTest(String name) {
		String value = _properties.getProperty(name);

		if (value != null && value.equals("yes")) {

			// Execute test.
			return true;
		}

		return false;
	}

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