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source: branches/Scheduling/HeuristicLab.Problems.Scheduling/3.3/Decoders/PWRDecoder.cs @ 8603

Last change on this file since 8603 was 8603, checked in by gkronber, 12 years ago

#1329:

  • updated copy-right year
  • trimmed assembly and plugin references
  • removed x86 and x64 build configurations
File size: 3.2 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.Encodings.ScheduleEncoding;
25using HeuristicLab.Encodings.ScheduleEncoding.PermutationWithRepetition;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Problems.Scheduling {
31  [Item("PWRDecoder", "An item used to convert a PWR-individual into a generalized schedule.")]
32  [StorableClass]
33  public class PWRDecoder : ScheduleDecoder<PWREncoding>, IStochasticOperator, IJSSPOperator {
34    public ILookupParameter<IRandom> RandomParameter {
35      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
36    }
37    public ILookupParameter<ItemList<Job>> JobDataParameter {
38      get { return (LookupParameter<ItemList<Job>>)Parameters["JobData"]; }
39    }
40
41    [StorableConstructor]
42    protected PWRDecoder(bool deserializing) : base(deserializing) { }
43    protected PWRDecoder(PWRDecoder original, Cloner cloner)
44      : base(original, cloner) {
45    }
46    public override IDeepCloneable Clone(Cloner cloner) {
47      return new PWRDecoder(this, cloner);
48    }
49
50    public PWRDecoder()
51      : base() {
52      Parameters.Add(new LookupParameter<IRandom>("Random", "The pseudo random number generator which should be used for stochastic manipulation operators."));
53      Parameters.Add(new LookupParameter<ItemList<Job>>("JobData", "Job data taken from the JSSP - Instance."));
54      ScheduleEncodingParameter.ActualName = "PermutationWithRepetition";
55    }
56
57    public override Schedule CreateScheduleFromEncoding(PWREncoding solution) {
58      ItemList<Job> jobs = (ItemList<Job>)JobDataParameter.ActualValue.Clone();
59      Schedule resultingSchedule = new Schedule(jobs[0].Tasks.Count);
60      foreach (int jobNr in solution.PermutationWithRepetition) {
61        int i = 0;
62        while (jobs[jobNr].Tasks[i].IsScheduled) i++;
63        Task currentTask = jobs[jobNr].Tasks[i];
64        double startTime = GTAlgorithmUtils.ComputeEarliestStartTime(currentTask, resultingSchedule);
65        currentTask.IsScheduled = true;
66        resultingSchedule.ScheduleTask(currentTask.ResourceNr, startTime, currentTask.Duration, currentTask.JobNr);
67      }
68      return resultingSchedule;
69    }
70
71    public override IOperation Apply() {
72      return base.Apply();
73    }
74  }
75}
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