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source: trunk/sources/HeuristicLab.Problems.VehicleRouting/3.4/ProblemInstances/SingleDepotVRP/CVRP/CVRPProblemInstance.cs @ 12012

Last change on this file since 12012 was 12012, checked in by ascheibe, 9 years ago

#2212 merged r12008, r12009, r12010 back into trunk

File size: 5.3 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2015 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;
23using System.Collections.Generic;
24using System.Linq;
25using HeuristicLab.Common;
26using HeuristicLab.Core;
27using HeuristicLab.Data;
28using HeuristicLab.Optimization;
29using HeuristicLab.Parameters;
30using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
31using HeuristicLab.PluginInfrastructure;
32using HeuristicLab.Problems.VehicleRouting.Interfaces;
33using HeuristicLab.Problems.VehicleRouting.Variants;
34
35namespace HeuristicLab.Problems.VehicleRouting.ProblemInstances {
36  [Item("CVRPProblemInstance", "Represents a single depot CVRP instance.")]
37  [StorableClass]
38  public class CVRPProblemInstance : SingleDepotVRPProblemInstance, IHomogenousCapacitatedProblemInstance {
39    protected IValueParameter<DoubleValue> CapacityParameter {
40      get { return (IValueParameter<DoubleValue>)Parameters["Capacity"]; }
41    }
42    protected IValueParameter<DoubleValue> OverloadPenaltyParameter {
43      get { return (IValueParameter<DoubleValue>)Parameters["EvalOverloadPenalty"]; }
44    }
45
46    public DoubleValue Capacity {
47      get { return CapacityParameter.Value; }
48      set { CapacityParameter.Value = value; }
49    }
50
51    protected IValueParameter<DoubleValue> CurrentOverloadPenaltyParameter {
52      get { return (IValueParameter<DoubleValue>)Parameters["CurrentOverloadPenalty"]; }
53    }
54
55    public DoubleValue OverloadPenalty {
56      get {
57        DoubleValue currentOverloadPenalty = CurrentOverloadPenaltyParameter.Value;
58        if (currentOverloadPenalty != null)
59          return currentOverloadPenalty;
60        else
61          return OverloadPenaltyParameter.Value;
62      }
63      set { CurrentOverloadPenaltyParameter.Value = value; }
64    }
65
66    protected override IEnumerable<IOperator> GetOperators() {
67      return base.GetOperators()
68        .Where(o => o is IHomogenousCapacitatedOperator).Cast<IOperator>();
69    }
70
71    protected override IEnumerable<IOperator> GetAnalyzers() {
72      return ApplicationManager.Manager.GetInstances<ICapacitatedOperator>()
73        .Where(o => o is IAnalyzer)
74        .Cast<IOperator>().Union(base.GetAnalyzers());
75    }
76
77    protected override IVRPEvaluator Evaluator {
78      get {
79        return new CVRPEvaluator();
80      }
81    }
82
83    [StorableConstructor]
84    protected CVRPProblemInstance(bool deserializing) : base(deserializing) { }
85
86    public CVRPProblemInstance() {
87      Parameters.Add(new ValueParameter<DoubleValue>("Capacity", "The capacity of each vehicle.", new DoubleValue(0)));
88      Parameters.Add(new ValueParameter<DoubleValue>("EvalOverloadPenalty", "The overload penalty considered in the evaluation.", new DoubleValue(100)));
89      Parameters.Add(new OptionalValueParameter<DoubleValue>("CurrentOverloadPenalty", "The current overload penalty considered in the evaluation."));
90
91      AttachEventHandlers();
92    }
93
94    public override IDeepCloneable Clone(Cloner cloner) {
95      return new CVRPProblemInstance(this, cloner);
96    }
97
98    protected CVRPProblemInstance(CVRPProblemInstance original, Cloner cloner)
99      : base(original, cloner) {
100      AttachEventHandlers();
101    }
102
103    [StorableHook(HookType.AfterDeserialization)]
104    private void AfterDeserialization() {
105      AttachEventHandlers();
106    }
107
108    private void AttachEventHandlers() {
109      CapacityParameter.ValueChanged += new EventHandler(CapacityParameter_ValueChanged);
110      CapacityParameter.Value.ValueChanged += new EventHandler(Capacity_ValueChanged);
111      OverloadPenaltyParameter.ValueChanged += new EventHandler(OverloadPenaltyParameter_ValueChanged);
112      OverloadPenaltyParameter.Value.ValueChanged += new EventHandler(OverloadPenalty_ValueChanged);
113    }
114
115    public override void InitializeState() {
116      base.InitializeState();
117
118      CurrentOverloadPenaltyParameter.Value = null;
119    }
120
121    #region Event handlers
122    void CapacityParameter_ValueChanged(object sender, EventArgs e) {
123      CapacityParameter.Value.ValueChanged += new EventHandler(Capacity_ValueChanged);
124      EvalBestKnownSolution();
125    }
126    void Capacity_ValueChanged(object sender, EventArgs e) {
127      EvalBestKnownSolution();
128    }
129    void OverloadPenaltyParameter_ValueChanged(object sender, EventArgs e) {
130      OverloadPenaltyParameter.Value.ValueChanged += new EventHandler(OverloadPenalty_ValueChanged);
131      EvalBestKnownSolution();
132    }
133    void OverloadPenalty_ValueChanged(object sender, EventArgs e) {
134      EvalBestKnownSolution();
135    }
136    #endregion
137  }
138}
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