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source: stable/HeuristicLab.Problems.Scheduling/3.3/Evaluators/MakespanEvaluator.cs @ 16459

Last change on this file since 16459 was 15584, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers on stable

File size: 1.9 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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.Linq;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Encodings.ScheduleEncoding;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Problems.Scheduling {
30  [Item("Makespan Evaluator", "Represents an evaluator using the maximum makespan of a schedule.")]
31  [StorableClass]
32  public class MakespanEvaluator : ScheduleEvaluator {
33
34    [StorableConstructor]
35    protected MakespanEvaluator(bool deserializing) : base(deserializing) { }
36    protected MakespanEvaluator(MakespanEvaluator original, Cloner cloner) : base(original, cloner) {}
37    public MakespanEvaluator()
38      : base() {
39      QualityParameter.ActualName = "Makespan";
40    }
41
42    public override IDeepCloneable Clone(Cloner cloner) {
43      return new MakespanEvaluator(this, cloner);
44    }
45
46    public static double GetMakespan(Schedule schedule) {
47      return schedule.Resources.Select(r => r.TotalDuration).Max();
48    }
49
50    protected override double Evaluate(Schedule schedule) {
51      return GetMakespan(schedule);
52    }
53  }
54}
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