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source: branches/Scheduling/HeuristicLab.Problems.Scheduling/3.3/Evaluators/MeanTardinessEvaluator.cs @ 8603

Last change on this file since 8603 was 8603, checked in by gkronber, 11 years ago

#1329:

  • updated copy-right year
  • trimmed assembly and plugin references
  • removed x86 and x64 build configurations
File size: 2.7 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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.ScheduleEncoding;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Problems.Scheduling {
30  [Item("Mean tardiness Evaluator", "Represents an evaluator using the mean tardiness of a schedule.")]
31  [StorableClass]
32  public class MeanTardinessEvaluator : SchedulingEvaluator, IJSSPOperator {
33    [StorableConstructor]
34    protected MeanTardinessEvaluator(bool deserializing) : base(deserializing) { }
35    protected MeanTardinessEvaluator(MeanTardinessEvaluator original, Cloner cloner)
36      : base(original, cloner) {
37    }
38    public override IDeepCloneable Clone(Cloner cloner) {
39      return new MeanTardinessEvaluator(this, cloner);
40    }
41
42    #region Parameter Properties
43    public ILookupParameter<ItemList<Job>> JobDataParameter {
44      get { return (ILookupParameter<ItemList<Job>>)Parameters["JobData"]; }
45    }
46    #endregion
47    #region Properties
48    public ItemList<Job> JobData {
49      get { return JobDataParameter.ActualValue; }
50    }
51    #endregion
52
53    public MeanTardinessEvaluator()
54      : base() {
55      Parameters.Add(new LookupParameter<ItemList<Job>>("JobData", "Jobdata defining the precedence relationships and the duration of the tasks in this JSSP-Instance."));
56    }
57
58    protected override DoubleValue evaluate(Schedule schedule) {
59      double totalTardiness = 0;
60      foreach (Resource r in schedule.Resources) {
61        double tardiness = r.Tasks[r.Tasks.Count - 1].EndTime - JobData[r.Tasks[r.Tasks.Count - 1].JobNr].DueDate;
62        if (tardiness > 0)
63          totalTardiness += tardiness;
64      }
65      return new DoubleValue(totalTardiness / schedule.Resources.Count);
66    }
67
68    public override IOperation Apply() {
69      return base.Apply();
70    }
71  }
72}
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