getnamespaces.java

这是外国一个开源推理机

/*  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.tests;

import org.openrdf.sesame.sail.NamespaceIterator;
import org.openrdf.sesame.sail.RdfSource;

/**
 * Tests performance of org.openrdf.sesame.sail.RdfSource.getNamespaces.
 *
 * @author Peter van 't Hof.
 * @version %I%, %G%
 */
public class GetNamespaces extends SailBMTestA {

/*----------+
| Variables |
+----------*/
	// RdfSource to test performance of.
	protected RdfSource _rdfSource;

/*-------------+
| Constructors |
+-------------*/
	/**
	 * Creates a new benchmark test which tests
	 * org.openrdf.sesame.sail.RdfSource.getNamespaces.
	 *
	 * @param rdfSource RdfSource to test.
	 */
	public GetNamespaces(RdfSource rdfSource) {
		super("getNamespaces", rdfSource);

		_rdfSource = rdfSource;
	}

/*--------+
| Methods |
+--------*/
	protected void _test() {

		_start();

		NamespaceIterator i = _rdfSource.getNamespaces();

		// Namespaces are iterated and used to simulate realworld use.
		while (i.hasNext()) {
			i.next();
			
			i.getPrefix();
			i.getName();
		}

		i.close();

		_stop();
	}
}