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source: stable/HeuristicLab.Encodings.LinearLinkageEncoding/3.4/Creators/MaxGroupsLinearLinkageCreator.cs @ 16095

Last change on this file since 16095 was 15584, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers on stable

File size: 2.8 KB
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[12285]1#region License Information
2/* HeuristicLab
[15584]3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[12285]4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Linq;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
[12643]26using HeuristicLab.Data;
27using HeuristicLab.Parameters;
[12285]28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
[12643]30namespace HeuristicLab.Encodings.LinearLinkageEncoding {
31  [Item("Maxgroups Linear Linkage Creator", "Creates a random linear linkage LLE encoded solution with a given maximum number of groups.")]
[12285]32  [StorableClass]
[12643]33  public sealed class MaxGroupsLinearLinkageCreator : LinearLinkageCreator {
[12285]34
[12643]35    public IValueLookupParameter<IntValue> MaxGroupsParameter {
36      get { return (IValueLookupParameter<IntValue>)Parameters["MaxGroups"]; }
37    }
38
39    public IntValue MaxGroups {
40      get { return MaxGroupsParameter.Value; }
41      set { MaxGroupsParameter.Value = value; }
42    }
43
[12285]44    [StorableConstructor]
[12643]45    private MaxGroupsLinearLinkageCreator(bool deserializing) : base(deserializing) { }
46    private MaxGroupsLinearLinkageCreator(MaxGroupsLinearLinkageCreator original, Cloner cloner) : base(original, cloner) { }
[12285]47
[12643]48    public MaxGroupsLinearLinkageCreator() {
49      Parameters.Add(new ValueLookupParameter<IntValue>("MaxGroups", "The maximum number of groups to create.", new IntValue(3)));
50    }
51
[12285]52    public override IDeepCloneable Clone(Cloner cloner) {
[12643]53      return new MaxGroupsLinearLinkageCreator(this, cloner);
[12285]54    }
55
[12643]56    public static LinearLinkage Apply(IRandom random, int length, int maxGroups) {
57      var groups = Enumerable.Range(0, length).Select(x => Tuple.Create(x, random.Next(maxGroups)))
[12285]58                                              .GroupBy(x => x.Item2)
59                                              .Select(x => x.Select(y => y.Item1).ToList());
[14475]60      return LinearLinkage.FromGroups(length, groups);
[12285]61    }
[12643]62
63    protected override LinearLinkage Create(IRandom random, int length) {
64      var maxGroups = MaxGroupsParameter.ActualValue.Value;
65      return Apply(random, length, maxGroups);
66    }
[12285]67  }
68}
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