1 package org.djunits.unit.unitsystem;
2
3 /**
4 * The international System of Units (SI).
5 * <p>
6 * Copyright (c) 2015-2018 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
7 * BSD-style license. See <a href="http://djunits.org/docs/license.html">DJUNITS License</a>.
8 * <p>
9 * $LastChangedDate: 2018-01-28 03:17:44 +0100 (Sun, 28 Jan 2018) $, @version $Revision: 256 $, by $Author: averbraeck $,
10 * initial version Jun 6, 2014 <br>
11 * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
12 */
13 public abstract class SI extends UnitSystem
14 {
15 /** */
16 private static final long serialVersionUID = 20140606L;
17
18 /**
19 * protected constructor to avoid creating other (false) SI unit systems.
20 * @param abbreviationKey the abbreviation of the unit system, such as SI
21 * @param nameKey the name of the unit system, such as SI Base
22 */
23 protected SI(final String abbreviationKey, final String nameKey)
24 {
25 super(abbreviationKey, nameKey);
26 }
27
28 }