1 package org.opentrafficsim.road.definitions;
2
3 import java.util.Locale;
4
5 import org.opentrafficsim.core.definitions.Defaults;
6
7 /**
8 * This class houses defaults instances for different types, specific for road, such as lane types. The static fields should
9 * only be accessed in the setup of a simulation. The simulation itself should be fed the relevant types, and not assume any
10 * specific or more generic super type. Only in this way can simulations be run with entirely different type structures.
11 * <p>
12 * Copyright (c) 2022-2023 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
13 * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
14 * </p>
15 * @author <a href="https://github.com/averbraeck">Alexander Verbraeck</a>
16 * @author <a href="https://tudelft.nl/staff/p.knoppers-1">Peter Knoppers</a>
17 * @author <a href="https://dittlab.tudelft.nl">Wouter Schakel</a>
18 */
19 public abstract class DefaultsRoad extends Defaults
20 {
21
22 /** Defaults for locale nl_NL. */
23 public static final DefaultsRoadNl NL = new DefaultsRoadNl();
24
25 /**
26 * Constructor.
27 * @param locale Locale; locale.
28 */
29 protected DefaultsRoad(final Locale locale)
30 {
31 super(locale);
32 }
33
34 /**
35 * Returns a default value of a type, indicated by its name. This should only be used by parsers. Simulations defined in
36 * code should access the relevant static fields directly for code maintainability.
37 * @param clazz Class<T>; class instance of type T.
38 * @param name String; name referring to a default through static field names, e.g. "NL.FREEWAY".
39 * @param <T> type of the value.
40 * @return T; returned default value, {@code null} if the default could not be found.
41 */
42 public static <T> T getByName(final Class<T> clazz, final String name)
43 {
44 return getByName(DefaultsRoad.class, clazz, name);
45 }
46
47 }