[6121] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[8603] | 3 | * Copyright (C) 2002-2012 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[6121] | 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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[6412] | 22 | using System.Drawing;
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[6406] | 23 | using HeuristicLab.Common;
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[6121] | 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Data;
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[6406] | 26 | using HeuristicLab.Encodings.PermutationEncoding;
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| 27 | using HeuristicLab.Encodings.ScheduleEncoding;
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| 28 | using HeuristicLab.Encodings.ScheduleEncoding.JobSequenceMatrix;
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| 29 | using HeuristicLab.Encodings.ScheduleEncoding.PermutationWithRepetition;
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| 30 | using HeuristicLab.Encodings.ScheduleEncoding.PriorityRulesVector;
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[6121] | 31 | using HeuristicLab.Parameters;
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[6406] | 32 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[6121] | 33 | using HeuristicLab.PluginInfrastructure;
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[8882] | 34 | using HeuristicLab.Problems.Instances;
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[6121] | 35 |
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| 36 | namespace HeuristicLab.Problems.Scheduling {
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[8882] | 37 | [Item("Job Shop Scheduling Problem", "Represents a standard Job Shop Scheduling Problem")]
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[6121] | 38 | [Creatable("Problems")]
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| 39 | [StorableClass]
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[8882] | 40 | public sealed class JobShopSchedulingProblem : SchedulingProblem, IProblemInstanceConsumer<JSSPData>, IProblemInstanceExporter<JSSPData>, IStorableContent {
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| 41 | #region Default Instance
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| 42 | private static readonly JSSPData DefaultInstance = new JSSPData() {
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| 43 | Jobs = 10,
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| 44 | Resources = 10,
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| 45 | BestKnownQuality = 930,
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| 46 | ProcessingTimes = new double[,] {
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| 47 | { 29, 78, 9, 36, 49, 11, 62, 56, 44, 21 },
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| 48 | { 43, 90, 75, 11, 69, 28, 46, 46, 72, 30 },
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| 49 | { 91, 85, 39, 74, 90, 10, 12, 89, 45, 33 },
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| 50 | { 81, 95, 71, 99, 9, 52, 85, 98, 22, 43 },
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| 51 | { 14, 6, 22, 61, 26, 69, 21, 49, 72, 53 },
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| 52 | { 84, 2, 52, 95, 48, 72, 47, 65, 6, 25 },
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| 53 | { 46, 37, 61, 13, 32, 21, 32, 89, 30, 55 },
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| 54 | { 31, 86, 46, 74, 32, 88, 19, 48, 36, 79 },
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| 55 | { 76, 69, 76, 51, 85, 11, 40, 89, 26, 74 },
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| 56 | { 85, 13, 61, 7, 64, 76, 47, 52, 90, 45 }
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| 57 | },
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| 58 | Demands = new int[,] {
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| 59 | { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },
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| 60 | { 0, 2, 4, 9, 3, 1, 6, 5, 7, 8 },
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| 61 | { 1, 0, 3, 2, 8, 5, 7, 6, 9, 4 },
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| 62 | { 1, 2, 0, 4, 6, 8, 7, 3, 9, 5 },
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| 63 | { 2, 0, 1, 5, 3, 4, 8, 7, 9, 6 },
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| 64 | { 2, 1, 5, 3, 8, 9, 0, 6, 4, 7 },
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| 65 | { 1, 0, 3, 2, 6, 5, 9, 8, 7, 4 },
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| 66 | { 2, 0, 1, 5, 4, 6, 8, 9, 7, 3 },
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| 67 | { 0, 1, 3, 5, 2, 9, 6, 7, 4, 8 },
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| 68 | { 1, 0, 2, 6, 8, 9, 5, 3, 4, 7 }
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| 69 | }
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| 70 | };
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| 71 | #endregion
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| 72 |
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[6121] | 73 | #region Parameter Properties
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[6293] | 74 | public ValueParameter<ItemList<Job>> JobDataParameter {
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| 75 | get { return (ValueParameter<ItemList<Job>>)Parameters["JobData"]; }
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[6121] | 76 | }
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[6177] | 77 | public OptionalValueParameter<Schedule> BestKnownSolutionParameter {
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| 78 | get { return (OptionalValueParameter<Schedule>)Parameters["BestKnownSolution"]; }
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[6121] | 79 | }
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[6266] | 80 |
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[8886] | 81 | public IFixedValueParameter<IntValue> JobsParameter {
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| 82 | get { return (IFixedValueParameter<IntValue>)Parameters["Jobs"]; }
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[6293] | 83 | }
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[8886] | 84 | public IFixedValueParameter<IntValue> ResourcesParameter {
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| 85 | get { return (IFixedValueParameter<IntValue>)Parameters["Resources"]; }
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[6293] | 86 | }
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[6364] | 87 | public ValueParameter<SchedulingEvaluator> SolutionEvaluatorParameter {
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| 88 | get { return (ValueParameter<SchedulingEvaluator>)Parameters["SolutionEvaluator"]; }
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| 89 | }
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[6121] | 90 | #endregion
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| 91 |
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| 92 | #region Properties
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[6293] | 93 | public ItemList<Job> JobData {
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| 94 | get { return JobDataParameter.Value; }
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| 95 | set { JobDataParameter.Value = value; }
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[6121] | 96 | }
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[6177] | 97 | public Schedule BestKnownSolution {
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[6121] | 98 | get { return BestKnownSolutionParameter.Value; }
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| 99 | set { BestKnownSolutionParameter.Value = value; }
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| 100 | }
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[8886] | 101 | public int Jobs {
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| 102 | get { return JobsParameter.Value.Value; }
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| 103 | set { JobsParameter.Value.Value = value; }
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[6293] | 104 | }
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[8886] | 105 | public int Resources {
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| 106 | get { return ResourcesParameter.Value.Value; }
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| 107 | set { ResourcesParameter.Value.Value = value; }
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[6293] | 108 | }
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[6364] | 109 | public SchedulingEvaluator SolutionEvaluator {
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| 110 | get { return SolutionEvaluatorParameter.Value; }
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| 111 | set { SolutionEvaluatorParameter.Value = value; }
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| 112 | }
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[6412] | 113 | public override Image ItemImage {
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| 114 | get { return HeuristicLab.Common.Resources.VSImageLibrary.Type; }
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| 115 | }
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| 116 | public string Filename { get; set; }
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[6121] | 117 | #endregion
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| 118 |
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| 119 | public JobShopSchedulingProblem()
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[6406] | 120 | : base(new SchedulingEvaluationAlgorithm(), new JSMRandomCreator()) {
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[6293] | 121 | Parameters.Add(new ValueParameter<ItemList<Job>>("JobData", "Jobdata defining the precedence relationships and the duration of the tasks in this JSSP-Instance.", new ItemList<Job>()));
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| 122 | Parameters.Add(new OptionalValueParameter<Schedule>("BestKnownSolution", "The best known solution of this JSSP instance."));
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[6364] | 123 |
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[8886] | 124 | Parameters.Add(new FixedValueParameter<IntValue>("Jobs", "The number of jobs used in this JSSP instance.", new IntValue()));
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| 125 | Parameters.Add(new FixedValueParameter<IntValue>("Resources", "The number of resources used in this JSSP instance.", new IntValue()));
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[6364] | 126 | Parameters.Add(new ValueParameter<SchedulingEvaluator>("SolutionEvaluator", "The evaluator used to determine the quality of a solution.", new MakespanEvaluator()));
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| 127 |
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| 128 | InitializeOperators();
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[8882] | 129 | Load(DefaultInstance);
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[6121] | 130 | }
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| 131 |
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[6406] | 132 | [StorableConstructor]
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| 133 | private JobShopSchedulingProblem(bool deserializing) : base(deserializing) { }
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| 134 | private JobShopSchedulingProblem(JobShopSchedulingProblem original, Cloner cloner)
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| 135 | : base(original, cloner) {
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| 136 | }
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| 137 | public override IDeepCloneable Clone(Cloner cloner) {
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| 138 | return new JobShopSchedulingProblem(this, cloner);
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| 139 | }
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| 140 |
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[6121] | 141 | #region Events
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[6177] | 142 | protected override void OnSolutionCreatorChanged() {
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| 143 | InitializeOperators();
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| 144 | }
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[8882] | 145 | #endregion
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[6406] | 146 |
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[8882] | 147 | #region Problem Instance Handling
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| 148 | public void Load(JSSPData data) {
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| 149 | var jobData = new ItemList<Job>(data.Jobs);
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| 150 | for (int j = 0; j < data.Jobs; j++) {
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| 151 | var job = new Job(j, data.DueDates != null ? data.DueDates[j] : double.MaxValue);
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| 152 | for (int t = 0; t < data.Resources; t++) {
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| 153 | job.Tasks.Add(new Task(t, data.Demands[j, t], j, data.ProcessingTimes[j, t]));
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| 154 | }
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| 155 | jobData.Add(job);
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| 156 | }
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| 157 |
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| 158 | if (data.BestKnownQuality.HasValue) BestKnownQuality = new DoubleValue(data.BestKnownQuality.Value);
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| 159 | else BestKnownQuality = null;
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| 160 | if (data.BestKnownSchedule != null) {
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| 161 | var enc = new JSMEncoding();
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| 162 | enc.JobSequenceMatrix = new ItemList<Permutation>(data.Resources);
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| 163 | for (int i = 0; i < data.Resources; i++) {
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| 164 | enc.JobSequenceMatrix[i] = new Permutation(PermutationTypes.Absolute, new int[data.Jobs]);
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| 165 | for (int j = 0; j < data.Jobs; j++) {
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| 166 | enc.JobSequenceMatrix[i][j] = data.BestKnownSchedule[i, j];
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| 167 | }
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| 168 | }
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| 169 | BestKnownSolution = new JSMDecoder().CreateScheduleFromEncoding(enc, jobData);
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| 170 | if (SolutionEvaluator is MeanTardinessEvaluator)
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| 171 | BestKnownQuality = new DoubleValue(MeanTardinessEvaluator.GetMeanTardiness(BestKnownSolution, jobData));
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| 172 | else if (SolutionEvaluator is MakespanEvaluator)
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| 173 | BestKnownQuality = new DoubleValue(MakespanEvaluator.GetMakespan(BestKnownSolution));
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| 174 | }
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| 175 |
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| 176 | JobData = jobData;
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[8886] | 177 | Jobs = data.Jobs;
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| 178 | Resources = data.Resources;
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[6406] | 179 | }
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[6121] | 180 |
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[8882] | 181 | public JSSPData Export() {
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| 182 | var result = new JSSPData {
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| 183 | Name = Name,
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| 184 | Description = Description,
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[8886] | 185 | Jobs = Jobs,
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| 186 | Resources = Resources,
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| 187 | ProcessingTimes = new double[Jobs, Resources],
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| 188 | Demands = new int[Jobs, Resources],
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| 189 | DueDates = new double[Jobs]
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[8882] | 190 | };
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[6364] | 191 |
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[8882] | 192 | foreach (var job in JobData) {
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| 193 | var counter = 0;
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[8886] | 194 | result.DueDates[job.Index] = job.DueDate;
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[8882] | 195 | foreach (var task in job.Tasks) {
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| 196 | result.ProcessingTimes[task.JobNr, counter] = task.Duration;
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| 197 | result.Demands[task.JobNr, counter] = task.ResourceNr;
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| 198 | counter++;
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| 199 | }
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[6364] | 200 | }
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[8882] | 201 | return result;
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[6364] | 202 | }
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[8882] | 203 | #endregion
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[6364] | 204 |
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[8882] | 205 | #region Helpers
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[6121] | 206 | private void InitializeOperators() {
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[6177] | 207 | Operators.Clear();
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| 208 | ApplyEncoding();
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[6121] | 209 | Operators.Add(new BestSchedulingSolutionAnalyzer());
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| 210 | }
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| 211 |
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[6177] | 212 | private void ApplyEncoding() {
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[8882] | 213 | if (SolutionCreator.GetType() == typeof(JSMRandomCreator)) {
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[6364] | 214 | Operators.AddRange(ApplicationManager.Manager.GetInstances<IJSMOperator>());
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[8882] | 215 | var decoder = new JSMDecoder();
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| 216 | ((SchedulingEvaluationAlgorithm)EvaluatorParameter.ActualValue).InitializeOperatorGraph(decoder);
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| 217 | } else if (SolutionCreator.GetType() == typeof(PRVRandomCreator)) {
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| 218 | Operators.AddRange(ApplicationManager.Manager.GetInstances<IPRVOperator>());
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| 219 | var decoder = new PRVDecoder();
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| 220 | ((SchedulingEvaluationAlgorithm)EvaluatorParameter.ActualValue).InitializeOperatorGraph(decoder);
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| 221 | } else if (SolutionCreator.GetType() == typeof(PWRRandomCreator)) {
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| 222 | Operators.AddRange(ApplicationManager.Manager.GetInstances<IPWROperator>());
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| 223 | var decoder = new PWRDecoder();
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| 224 | ((SchedulingEvaluationAlgorithm)EvaluatorParameter.ActualValue).InitializeOperatorGraph(decoder);
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| 225 | } else if (SolutionCreator.GetType() == typeof(DirectScheduleRandomCreator)) {
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| 226 | Operators.AddRange(ApplicationManager.Manager.GetInstances<IDirectScheduleOperator>());
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| 227 | ((SchedulingEvaluationAlgorithm)EvaluatorParameter.ActualValue).InitializeOperatorGraph<Schedule>();
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[6177] | 228 | }
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| 229 | }
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[6121] | 230 | #endregion
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| 231 |
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| 232 | }
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| 233 | }
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