Free cookie consent management tool by TermsFeed Policy Generator

source: branches/3040_VectorBasedGP/HeuristicLab.Problems.VehicleRouting/3.4/Analyzer/BestAverageWorstTours/Capacitated/BestCapacitatedVRPToursMemorizer.cs

Last change on this file was 17180, checked in by swagner, 5 years ago

#2875: Removed years in copyrights

File size: 2.9 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 System.Linq;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Operators;
27using HeuristicLab.Parameters;
28using HEAL.Attic;
29
30namespace HeuristicLab.Problems.VehicleRouting {
31  [Item("BestCapacitatedVRPToursMemorizer", "An operator that updates the best VRP tour found so far in the scope three.")]
32  [StorableType("888B45AA-2037-49EB-ACD9-36F7D593D320")]
33  public class BestCapacitatedVRPToursMemorizer : SingleSuccessorOperator {
34    public ScopeTreeLookupParameter<DoubleValue> OverloadParameter {
35      get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters["Overload"]; }
36    }
37
38    public ValueLookupParameter<DoubleValue> BestOverloadParameter {
39      get { return (ValueLookupParameter<DoubleValue>)Parameters["BestOverload"]; }
40    }
41
42    public BestCapacitatedVRPToursMemorizer()
43      : base() {
44      Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Overload", "The overloads of the VRP solutions which should be analyzed."));
45
46      Parameters.Add(new ValueLookupParameter<DoubleValue>("BestOverload", "The best overload found so far."));
47    }
48
49    public override IDeepCloneable Clone(Cloner cloner) {
50      return new BestCapacitatedVRPToursMemorizer(this, cloner);
51    }
52
53    protected BestCapacitatedVRPToursMemorizer(BestCapacitatedVRPToursMemorizer original, Cloner cloner)
54      : base(original, cloner) {
55    }
56
57    [StorableConstructor]
58    protected BestCapacitatedVRPToursMemorizer(StorableConstructorFlag _) : base(_) { }
59
60    public override IOperation Apply() {
61      int i = OverloadParameter.ActualValue.Select((x, index) => new { index, x.Value }).OrderBy(x => x.Value).First().index;
62      if (BestOverloadParameter.ActualValue == null)
63        BestOverloadParameter.ActualValue = new DoubleValue(OverloadParameter.ActualValue[i].Value);
64      else if (OverloadParameter.ActualValue[i].Value <= BestOverloadParameter.ActualValue.Value)
65        BestOverloadParameter.ActualValue.Value = OverloadParameter.ActualValue[i].Value;
66
67      return base.Apply();
68    }
69  }
70}
Note: See TracBrowser for help on using the repository browser.