[6266] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11171] | 3 | * Copyright (C) 2002-2014 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[6266] | 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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[8882] | 22 | using System;
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| 23 | using System.Linq;
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[6406] | 24 | using HeuristicLab.Common;
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[6266] | 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Data;
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[6406] | 27 | using HeuristicLab.Encodings.ScheduleEncoding;
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[6266] | 28 | using HeuristicLab.Parameters;
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[6406] | 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[6266] | 30 |
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[6406] | 31 | namespace HeuristicLab.Problems.Scheduling {
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[6364] | 32 | [Item("Mean tardiness Evaluator", "Represents an evaluator using the mean tardiness of a schedule.")]
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[6266] | 33 | [StorableClass]
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[8887] | 34 | public class MeanTardinessEvaluator : ScheduleEvaluator, IJSSPOperator {
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[8882] | 35 |
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[6266] | 36 | [StorableConstructor]
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| 37 | protected MeanTardinessEvaluator(bool deserializing) : base(deserializing) { }
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[8882] | 38 | protected MeanTardinessEvaluator(MeanTardinessEvaluator original, Cloner cloner) : base(original, cloner) { }
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[6266] | 39 | public override IDeepCloneable Clone(Cloner cloner) {
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| 40 | return new MeanTardinessEvaluator(this, cloner);
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| 41 | }
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| 42 |
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| 43 | #region Parameter Properties
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[6364] | 44 | public ILookupParameter<ItemList<Job>> JobDataParameter {
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| 45 | get { return (ILookupParameter<ItemList<Job>>)Parameters["JobData"]; }
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[6266] | 46 | }
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| 47 | #endregion
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| 48 |
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[6406] | 49 | public MeanTardinessEvaluator()
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| 50 | : base() {
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[6364] | 51 | Parameters.Add(new LookupParameter<ItemList<Job>>("JobData", "Jobdata defining the precedence relationships and the duration of the tasks in this JSSP-Instance."));
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[8887] | 52 | QualityParameter.ActualName = "MeanTardiness";
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[6266] | 53 | }
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| 54 |
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[8882] | 55 | public static double GetMeanTardiness(Schedule schedule, ItemList<Job> jobData) {
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| 56 | return schedule.Resources
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| 57 | .Select(r => Math.Max(0, r.Tasks.Last().EndTime - jobData[r.Tasks.Last().JobNr].DueDate))
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| 58 | .Average();
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[6266] | 59 | }
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| 60 |
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[8887] | 61 | protected override double Evaluate(Schedule schedule) {
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| 62 | return GetMeanTardiness(schedule, JobDataParameter.ActualValue);
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[6266] | 63 | }
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| 64 | }
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| 65 | }
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