| 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using HeuristicLab.Core;
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| 23 | using HeuristicLab.Operators;
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| 24 | using HeuristicLab.Parameters;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Problems.VehicleRouting.Encodings;
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| 27 |
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| 28 | namespace HeuristicLab.Problems.VehicleRouting {
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| 29 | public abstract class VRPOperator : SingleSuccessorOperator, IVRPOperator {
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| 30 | public int Cities {
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| 31 | get { return CoordinatesParameter.ActualValue.Rows - 1; }
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| 32 | }
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| 33 | public ILookupParameter<DoubleMatrix> CoordinatesParameter {
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| 34 | get { return (ILookupParameter<DoubleMatrix>)Parameters["Coordinates"]; }
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| 35 | }
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| 36 | public ILookupParameter<DoubleMatrix> DistanceMatrixParameter {
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| 37 | get { return (ILookupParameter<DoubleMatrix>)Parameters["DistanceMatrix"]; }
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| 38 | }
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| 39 | public ILookupParameter<BoolValue> UseDistanceMatrixParameter {
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| 40 | get { return (ILookupParameter<BoolValue>)Parameters["UseDistanceMatrix"]; }
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| 41 | }
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| 42 | public ILookupParameter<IntValue> VehiclesParameter {
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| 43 | get { return (ILookupParameter<IntValue>)Parameters["Vehicles"]; }
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| 44 | }
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| 45 | public ILookupParameter<DoubleValue> CapacityParameter {
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| 46 | get { return (ILookupParameter<DoubleValue>)Parameters["Capacity"]; }
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| 47 | }
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| 48 | public ILookupParameter<DoubleArray> DemandParameter {
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| 49 | get { return (ILookupParameter<DoubleArray>)Parameters["Demand"]; }
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| 50 | }
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| 51 | public ILookupParameter<DoubleArray> ReadyTimeParameter {
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| 52 | get { return (ILookupParameter<DoubleArray>)Parameters["ReadyTime"]; }
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| 53 | }
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| 54 | public ILookupParameter<DoubleArray> DueTimeParameter {
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| 55 | get { return (ILookupParameter<DoubleArray>)Parameters["DueTime"]; }
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| 56 | }
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| 57 | public ILookupParameter<DoubleArray> ServiceTimeParameter {
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| 58 | get { return (ILookupParameter<DoubleArray>)Parameters["ServiceTime"]; }
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| 59 | }
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| 60 |
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| 61 | public VRPOperator()
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| 62 | : base() {
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| 63 | Parameters.Add(new ValueLookupParameter<IntValue>("Cities", "The city count."));
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| 64 | Parameters.Add(new LookupParameter<DoubleMatrix>("Coordinates", "The coordinates of the cities."));
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| 65 | Parameters.Add(new LookupParameter<DoubleMatrix>("DistanceMatrix", "The matrix which contains the distances between the cities."));
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| 66 | Parameters.Add(new LookupParameter<BoolValue>("UseDistanceMatrix", "True if a distance matrix should be calculated and used for evaluation, otherwise false."));
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| 67 | Parameters.Add(new LookupParameter<IntValue>("Vehicles", "The number of vehicles."));
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| 68 | Parameters.Add(new LookupParameter<DoubleValue>("Capacity", "The capacity of each vehicle."));
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| 69 | Parameters.Add(new LookupParameter<DoubleArray>("Demand", "The demand of each customer."));
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| 70 | Parameters.Add(new LookupParameter<DoubleArray>("ReadyTime", "The ready time of each customer."));
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| 71 | Parameters.Add(new LookupParameter<DoubleArray>("DueTime", "The due time of each customer."));
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| 72 | Parameters.Add(new LookupParameter<DoubleArray>("ServiceTime", "The service time of each customer."));
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| 73 | }
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| 74 |
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| 75 | protected bool Feasible(Tour tour) {
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| 76 | return tour.Feasible(
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| 77 | DueTimeParameter.ActualValue,
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| 78 | ServiceTimeParameter.ActualValue,
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| 79 | ReadyTimeParameter.ActualValue,
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| 80 | DemandParameter.ActualValue,
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| 81 | CapacityParameter.ActualValue,
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| 82 | CoordinatesParameter.ActualValue,
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| 83 | DistanceMatrixParameter,
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| 84 | UseDistanceMatrixParameter.ActualValue);
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| 85 | }
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| 86 |
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| 87 | protected double GetLength(Tour tour) {
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| 88 | return tour.GetLength(
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| 89 | CoordinatesParameter.ActualValue,
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| 90 | DistanceMatrixParameter,
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| 91 | UseDistanceMatrixParameter.ActualValue);
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| 92 | }
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| 93 | }
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| 94 | }
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