1 package org.opentrafficsim.road.network.factory.xml.utils;
2
3 import java.util.Map;
4
5 import nl.tudelft.simulation.jstats.streams.MersenneTwister;
6 import nl.tudelft.simulation.jstats.streams.StreamInterface;
7
8 /**
9 * StreamInformation contains information about the stream and its seeds. <br>
10 * <br>
11 * Copyright (c) 2003-2018 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See
12 * for project information <a href="https://www.simulation.tudelft.nl/" target="_blank">www.simulation.tudelft.nl</a>. The
13 * source code and binary code of this software is proprietary information of Delft University of Technology.
14 * @author <a href="https://www.tudelft.nl/averbraeck" target="_blank">Alexander Verbraeck</a>
15 */
16 public class StreamInformation
17 {
18 /** the stream id. */
19 private final String id;
20
21 /** the seed map, mapping replication number to seed. */
22 private final Map<Integer, Long> seedMap;
23
24 /** the stream itself; the seed value of 1L will be updated per replication. */
25 private final StreamInterface stream = new MersenneTwister(1L);
26
27 /**
28 * @param id the stream id
29 * @param seedMap the seed map, mapping replication number to seed
30 */
31 public StreamInformation(final String id, final Map<Integer, Long> seedMap)
32 {
33 this.id = id;
34 this.seedMap = seedMap;
35 this.stream.setSeed(seedMap.get(1));
36 }
37
38 // TODO: make sure the seed map is used by the OTSExperiment / OTSReplication
39
40 /**
41 * @return id
42 */
43 public final String getId()
44 {
45 return this.id;
46 }
47
48 /**
49 * @return stream
50 */
51 public final StreamInterface getStream()
52 {
53 return this.stream;
54 }
55
56 }