source: branches/2839_HiveProjectManagement/HeuristicLab.Encodings.ScheduleEncoding/3.3/PermutationWithRepetition/PWREncoding.cs @ 16057

Last change on this file since 16057 was 16057, checked in by jkarder, 15 months ago

#2839:

File size: 2.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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.Text;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Encodings.IntegerVectorEncoding;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Encodings.ScheduleEncoding.PermutationWithRepetition {
29  [Item("PermutationWithRepetitionEncoding", "Represents a encoding for a standard JobShop Scheduling Problem.")]
30  [StorableClass]
31  public class PWREncoding : Item, IScheduleEncoding {
32
33    [Storable]
34    public IntegerVector PermutationWithRepetition { get; set; }
35
36    [StorableConstructor]
37    protected PWREncoding(bool deserializing) : base(deserializing) { }
38    protected PWREncoding(PWREncoding original, Cloner cloner)
39      : base(original, cloner) {
40      this.PermutationWithRepetition = cloner.Clone(original.PermutationWithRepetition);
41    }
42    public PWREncoding()
43      : base() {
44      PermutationWithRepetition = new IntegerVector();
45    }
46
47    public override IDeepCloneable Clone(Cloner cloner) {
48      return new PWREncoding(this, cloner);
49    }
50
51    public PWREncoding(int nrOfJobs, int nrOfResources, IRandom random)
52      : base() {
53      PermutationWithRepetition = new IntegerVector(nrOfJobs * nrOfResources);
54      int[] lookUpTable = new int[nrOfJobs];
55
56      for (int i = 0; i < PermutationWithRepetition.Length; i++) {
57        int newValue = random.Next(nrOfJobs);
58        while (lookUpTable[newValue] >= nrOfResources)
59          newValue = random.Next(nrOfJobs);
60
61        PermutationWithRepetition[i] = newValue;
62
63        lookUpTable[newValue]++;
64      }
65    }
66
67    public override string ToString() {
68      StringBuilder sb = new StringBuilder();
69      sb.Append("[ ");
70      foreach (int i in PermutationWithRepetition) {
71        sb.Append(i + " ");
72      }
73      sb.Append("]");
74
75      return sb.ToString();
76    }
77  }
78}
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