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source: branches/Scheduling/HeuristicLab.Encodings.ScheduleEncoding/3.3/JobSequenceMatrix/JSMRandomCreator.cs @ 6475

Last change on this file since 6475 was 6475, checked in by jhelm, 12 years ago

#1329: Added DirectSchedule-Classes for optimization with the direct-schedule encoding.

File size: 3.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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.Data;
25using HeuristicLab.Encodings.PermutationEncoding;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30
31namespace HeuristicLab.Encodings.ScheduleEncoding.JobSequenceMatrix {
32  [Item("JobSequenceMatrixCreator", "Creator class used to create Job Sequence Matrix solutions for standard JobShop scheduling problems.")]
33  [StorableClass]
34  public class JSMRandomCreator : ScheduleCreator<JSMEncoding>, IStochasticOperator {
35    #region Parameter Properties
36    public ILookupParameter<IRandom> RandomParameter {
37      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
38    }
39    public IValueLookupParameter<IntValue> JobsParameter {
40      get { return (IValueLookupParameter<IntValue>)Parameters["Jobs"]; }
41    }
42    public IValueLookupParameter<IntValue> ResourcesParameter {
43      get { return (IValueLookupParameter<IntValue>)Parameters["Resources"]; }
44    }
45    #endregion
46
47
48    [StorableConstructor]
49    protected JSMRandomCreator(bool deserializing) : base(deserializing) { }
50    protected JSMRandomCreator(JSMRandomCreator original, Cloner cloner)
51      : base(original, cloner) {
52    }
53    public override IDeepCloneable Clone(Cloner cloner) {
54      return new JSMRandomCreator(this, cloner);
55    }
56    public JSMRandomCreator()
57      : base() {
58      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator."));
59      Parameters.Add(new ValueLookupParameter<IntValue>("Jobs", "The number of jobs handled in this problem instance."));
60      Parameters.Add(new ValueLookupParameter<IntValue>("Resources", "The number of resources used in this problem instance."));
61
62      ScheduleEncodingParameter.ActualName = "JobSequenceMatrix";
63    }
64
65
66    public static JSMEncoding Apply(int jobs, int resources, IRandom random) {
67      JSMEncoding solution = new JSMEncoding();
68
69      for (int i = 0; i < resources; i++) {
70        solution.JobSequenceMatrix.Add(new Permutation(PermutationTypes.Absolute, jobs, random));
71      }
72
73      return solution;
74    }
75
76
77    protected override JSMEncoding CreateSolution() {
78      return Apply(JobsParameter.ActualValue.Value, ResourcesParameter.ActualValue.Value, RandomParameter.ActualValue);
79    }
80  }
81}
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