source: stable/HeuristicLab.Problems.VehicleRouting/3.4/ProblemInstances/MultiDepotVRP/MDCVRP/MDCVRPProblemInstance.cs @ 14186

Last change on this file since 14186 was 14186, checked in by swagner, 4 years ago

#2526: Updated year of copyrights in license headers

File size: 5.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2016 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("MDCVRPProblemInstance", "Represents a multi depot CVRP instance.")]
37  [StorableClass]
38  public class MDCVRPProblemInstance : MultiDepotVRPProblemInstance, IHeterogenousCapacitatedProblemInstance {
39    protected IValueParameter<DoubleArray> CapacityParameter {
40      get { return (IValueParameter<DoubleArray>)Parameters["Capacity"]; }
41    }
42    protected IValueParameter<DoubleValue> OverloadPenaltyParameter {
43      get { return (IValueParameter<DoubleValue>)Parameters["EvalOverloadPenalty"]; }
44    }
45
46    public DoubleArray 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    }
64    DoubleValue ICapacitatedProblemInstance.CurrentOverloadPenalty {
65      get { return CurrentOverloadPenaltyParameter.Value; }
66      set { CurrentOverloadPenaltyParameter.Value = value; }
67    }
68
69    protected override IEnumerable<IOperator> GetOperators() {
70      return base.GetOperators()
71        .Where(o => o is IHeterogenousCapacitatedOperator).Cast<IOperator>();
72    }
73
74    protected override IEnumerable<IOperator> GetAnalyzers() {
75      return ApplicationManager.Manager.GetInstances<ICapacitatedOperator>()
76        .Where(o => o is IAnalyzer)
77        .Cast<IOperator>().Union(base.GetAnalyzers());
78    }
79
80    protected override IVRPEvaluator Evaluator {
81      get {
82        return new MDCVRPEvaluator();
83      }
84    }
85
86    [StorableConstructor]
87    protected MDCVRPProblemInstance(bool deserializing) : base(deserializing) { }
88
89    public MDCVRPProblemInstance() {
90      Parameters.Add(new ValueParameter<DoubleArray>("Capacity", "The capacity of each vehicle.", new DoubleArray()));
91      Parameters.Add(new ValueParameter<DoubleValue>("EvalOverloadPenalty", "The overload penalty considered in the evaluation.", new DoubleValue(100)));
92      Parameters.Add(new OptionalValueParameter<DoubleValue>("CurrentOverloadPenalty", "The current overload penalty considered in the evaluation.") { Hidden = true });
93
94      AttachEventHandlers();
95    }
96
97    public override IDeepCloneable Clone(Cloner cloner) {
98      return new MDCVRPProblemInstance(this, cloner);
99    }
100
101    protected MDCVRPProblemInstance(MDCVRPProblemInstance original, Cloner cloner)
102      : base(original, cloner) {
103      AttachEventHandlers();
104    }
105
106    [StorableHook(HookType.AfterDeserialization)]
107    private void AfterDeserialization() {
108      AttachEventHandlers();
109    }
110
111    private void AttachEventHandlers() {
112      CapacityParameter.ValueChanged += new EventHandler(CapacityParameter_ValueChanged);
113      OverloadPenaltyParameter.ValueChanged += new EventHandler(OverloadPenaltyParameter_ValueChanged);
114      OverloadPenaltyParameter.Value.ValueChanged += new EventHandler(OverloadPenalty_ValueChanged);
115    }
116
117    public override void InitializeState() {
118      base.InitializeState();
119
120      CurrentOverloadPenaltyParameter.Value = null;
121    }
122
123    #region Event handlers
124    void CapacityParameter_ValueChanged(object sender, EventArgs e) {
125      EvalBestKnownSolution();
126    }
127    void OverloadPenaltyParameter_ValueChanged(object sender, EventArgs e) {
128      OverloadPenaltyParameter.Value.ValueChanged += new EventHandler(OverloadPenalty_ValueChanged);
129      EvalBestKnownSolution();
130    }
131    void OverloadPenalty_ValueChanged(object sender, EventArgs e) {
132      EvalBestKnownSolution();
133    }
134    #endregion
135  }
136}
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