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source: trunk/sources/HeuristicLab.Problems.Instances.VehicleRouting/3.4/CordeauFormat/CordeauFormatInstanceProvider.cs @ 8192

Last change on this file since 8192 was 8192, checked in by sforsten, 12 years ago

#1782:

  • renamed CanSave to CanExportData and SaveData to ExportData
  • added the same functionality for importing problem instance as we implemented for exporting
  • some special changes had to be made in Problems.Instances.VehicleRouting
File size: 2.4 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 System.IO;
23
24namespace HeuristicLab.Problems.Instances.VehicleRouting {
25  public abstract class CordeauFormatInstanceProvider : VRPInstanceProvider<MDCVRPTWData> {
26    protected override MDCVRPTWData LoadData(Stream stream) {
27      return LoadInstance(new CordeauParser(stream));
28    }
29
30    public override bool CanImportData {
31      get { return true; }
32    }
33    public override MDCVRPTWData ImportData(string path) {
34      return LoadInstance(new CordeauParser(path));
35    }
36
37    private MDCVRPTWData LoadInstance(CordeauParser parser) {
38      parser.Parse();
39
40      var instance = new MDCVRPTWData();
41      instance.Dimension = parser.Cities + 1;
42      instance.Depots = parser.Depots;
43      instance.Coordinates = parser.Coordinates;
44      instance.Capacity = parser.Capacity;
45      instance.Demands = parser.Demands;
46      instance.DistanceMeasure = DistanceMeasure.Euclidean;
47      instance.ReadyTimes = parser.Readytimes;
48      instance.ServiceTimes = parser.Servicetimes;
49      instance.DueTimes = parser.Duetimes;
50      instance.MaximumVehicles = parser.Vehicles;
51
52      int depots = parser.Depots;
53      int vehicles = parser.Vehicles / parser.Depots;
54      instance.VehicleDepotAssignment = new int[depots * vehicles];
55      int index = 0;
56
57      for (int i = 0; i < depots; i++)
58        for (int j = 0; j < vehicles; j++) {
59          instance.VehicleDepotAssignment[index] = i;
60          index++;
61        }
62
63      instance.Name = parser.ProblemName;
64
65      return instance;
66    }
67  }
68}
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