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source: branches/2521_ProblemRefactoring/HeuristicLab.Encodings.ScheduleEncoding/3.3/JobSequenceMatrix/JSMRandomCreator.cs @ 17461

Last change on this file since 17461 was 17461, checked in by abeham, 4 years ago

#2521: worked on scheduling problem

File size: 2.4 KB
Line 
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 HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Encodings.PermutationEncoding;
25using HeuristicLab.Optimization;
26using HeuristicLab.Parameters;
27using HEAL.Attic;
28
29namespace HeuristicLab.Encodings.ScheduleEncoding {
30  [Item("JobSequenceMatrixCreator", "Creator class used to create Job Sequence Matrix solutions for standard JobShop scheduling problems.")]
31  [StorableType("F8053C69-31C2-4E05-8FA0-5AED15FAF804")]
32  public class JSMRandomCreator : ScheduleCreator<JSM>, IStochasticOperator {
33
34    public ILookupParameter<IRandom> RandomParameter {
35      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
36    }
37
38    [StorableConstructor]
39    protected JSMRandomCreator(StorableConstructorFlag _) : base(_) { }
40    protected JSMRandomCreator(JSMRandomCreator original, Cloner cloner) : base(original, cloner) { }
41    public JSMRandomCreator()
42      : base() {
43      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator."));
44    }
45
46    public override IDeepCloneable Clone(Cloner cloner) {
47      return new JSMRandomCreator(this, cloner);
48    }
49
50    public static JSM Apply(int jobs, int resources, IRandom random) {
51      var solution = new JSM(random.Next());
52      for (int i = 0; i < resources; i++) {
53        solution.JobSequenceMatrix.Add(new Permutation(PermutationTypes.Absolute, jobs, random));
54      }
55      return solution;
56    }
57
58    protected override JSM CreateSolution() {
59      return Apply(JobsParameter.ActualValue.Value, ResourcesParameter.ActualValue.Value, RandomParameter.ActualValue);
60    }
61  }
62}
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