Free cookie consent management tool by TermsFeed Policy Generator

source: branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/PickupDelivery/PDExchange/PotvinPDExchangeMove.cs @ 6797

Last change on this file since 6797 was 6787, checked in by svonolfe, 13 years ago

Fixed possible race condition in moves (#1177)

File size: 4.1 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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.Core;
23using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
24using HeuristicLab.Encodings.PermutationEncoding;
25using HeuristicLab.Common;
26using System.Collections.Generic;
27using HeuristicLab.Problems.VehicleRouting.Encodings.General;
28using HeuristicLab.Data;
29using HeuristicLab.Problems.VehicleRouting.Interfaces;
30using HeuristicLab.Optimization;
31using System;
32
33namespace HeuristicLab.Problems.VehicleRouting.Encodings.Potvin {
34  [Item("PotvinPDExchangeMove", "Item that describes a exchange move on a PDP representation.")]
35  [StorableClass]
36  public class PotvinPDExchangeMove: Item, IVRPMove {
37    [Storable]
38    public IVRPEncoding Individual { get; protected set; }
39   
40    [Storable]
41    public int City { get; protected set; }
42
43    [Storable]
44    public int OldTour { get; protected set; }
45
46    [Storable]
47    public int Tour { get; protected set; }
48
49    [Storable]
50    public int Replaced { get; protected set; }
51   
52    public PotvinPDExchangeMove(): base() {
53      City = -1;
54      Tour = -1;
55
56      Individual = null;
57    }
58
59    public PotvinPDExchangeMove(int city, int oldTour, int tour, int replaced, PotvinEncoding individual) {
60      City = city;
61      OldTour = oldTour;
62      Tour = tour;
63      Replaced = replaced;
64
65      this.Individual = individual.Clone() as PotvinEncoding;
66    }
67
68    public override IDeepCloneable Clone(Cloner cloner) {
69      return new PotvinPDExchangeMove(this, cloner);
70    }
71
72    protected PotvinPDExchangeMove(PotvinPDExchangeMove original, Cloner cloner)
73      : base(original, cloner) {
74      this.City = original.City;
75      this.OldTour = original.OldTour;
76      this.Tour = original.Tour;
77      this.Replaced = original.Replaced;
78
79      this.Individual = cloner.Clone(Individual) as PotvinEncoding;
80    }
81
82    #region IVRPMove Members
83
84    [ThreadStatic]
85    private static PotvinPDExchangeMoveEvaluator moveEvaluator;
86    public VRPMoveEvaluator GetMoveEvaluator() {
87      if (moveEvaluator == null)
88        moveEvaluator = new PotvinPDExchangeMoveEvaluator();
89
90      return moveEvaluator;
91    }
92
93    [ThreadStatic]
94    private static PotvinPDExchangeMoveMaker moveMaker;
95    public VRPMoveMaker GetMoveMaker() {
96      if (moveMaker == null)
97        moveMaker = new PotvinPDExchangeMoveMaker();
98
99      return moveMaker;
100    }
101
102    [ThreadStatic]
103    private static PotvinPDExchangeMoveTabuMaker tabuMaker;
104    public ITabuMaker GetTabuMaker() {
105      if (tabuMaker == null)
106        tabuMaker = new PotvinPDExchangeMoveTabuMaker();
107
108      return tabuMaker;
109    }
110
111    [ThreadStatic]
112    private static PotvinPDExchangeTabuCriterion tabuChecker;
113    public ITabuChecker GetTabuChecker() {
114      if (tabuChecker == null) {
115        tabuChecker = new PotvinPDExchangeTabuCriterion();
116        tabuChecker.UseAspirationCriterion.Value = false;
117      }
118
119      return tabuChecker;
120    }
121
122    [ThreadStatic]
123    private static PotvinPDExchangeTabuCriterion softTabuChecker;
124    public ITabuChecker GetSoftTabuChecker() {
125      if (softTabuChecker == null) {
126        softTabuChecker = new PotvinPDExchangeTabuCriterion();
127        softTabuChecker.UseAspirationCriterion.Value = true;
128      }
129
130      return softTabuChecker;
131    }
132
133    #endregion
134  }
135}
Note: See TracBrowser for help on using the repository browser.