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source: branches/2521_ProblemRefactoring/HeuristicLab.Encodings.ScheduleEncoding/3.3/PermutationWithRepetition/PWR.cs @ 17614

Last change on this file since 17614 was 17461, checked in by abeham, 5 years ago

#2521: worked on scheduling problem

File size: 2.6 KB
RevLine 
[17461]1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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 HEAL.Attic;
24using HeuristicLab.Common;
25using HeuristicLab.Core;
26using HeuristicLab.Encodings.IntegerVectorEncoding;
27
28namespace HeuristicLab.Encodings.ScheduleEncoding {
29  [Item("Permutation With Repetition", "Represents a encoding for a standard JobShop Scheduling Problem.")]
30  [StorableType("31A66AC4-897D-4986-A6FC-DC301DC06278")]
31  public class PWR : Item, IScheduleSolution {
32
33    [Storable]
34    public IntegerVector PermutationWithRepetition { get; set; }
35
36    [StorableConstructor]
37    protected PWR(StorableConstructorFlag _) : base(_) { }
38    protected PWR(PWR original, Cloner cloner)
39      : base(original, cloner) {
40      this.PermutationWithRepetition = cloner.Clone(original.PermutationWithRepetition);
41    }
42    public PWR()
43      : base() {
44      PermutationWithRepetition = new IntegerVector();
45    }
46
47    public override IDeepCloneable Clone(Cloner cloner) {
48      return new PWR(this, cloner);
49    }
50
51    public PWR(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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