#region License Information /* HeuristicLab * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL) * * This file is part of HeuristicLab. * * HeuristicLab is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * HeuristicLab is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with HeuristicLab. If not, see . */ #endregion using System; using HeuristicLab.Common; using HeuristicLab.Core; using HeuristicLab.Data; using HeuristicLab.Encodings.ScheduleEncoding.PermutationWithRepetition; using HeuristicLab.Optimization; using HeuristicLab.Parameters; using HEAL.Attic; namespace HeuristicLab.Encodings.ScheduleEncoding { [Item("DirectScheduleRandomCreator", "Creator class used to create schedule encoding objects.")] [StorableType("40BD24F4-7197-4F65-AFC0-AC28A372DD45")] public class DirectScheduleRandomCreator : ScheduleCreator, IStochasticOperator { public ILookupParameter RandomParameter { get { return (LookupParameter)Parameters["Random"]; } } public IValueLookupParameter JobsParameter { get { return (IValueLookupParameter)Parameters["Jobs"]; } } public IValueLookupParameter ResourcesParameter { get { return (IValueLookupParameter)Parameters["Resources"]; } } public ILookupParameter> JobDataParameter { get { return (LookupParameter>)Parameters["JobData"]; } } [StorableConstructor] protected DirectScheduleRandomCreator(StorableConstructorFlag _) : base(_) { } protected DirectScheduleRandomCreator(DirectScheduleRandomCreator original, Cloner cloner) : base(original, cloner) { } public override IDeepCloneable Clone(Cloner cloner) { return new DirectScheduleRandomCreator(this, cloner); } public DirectScheduleRandomCreator() : base() { Parameters.Add(new LookupParameter("Random", "The pseudo random number generator.")); Parameters.Add(new ValueLookupParameter("Jobs", "The number of jobs handled in this problem instance.")); Parameters.Add(new ValueLookupParameter("Resources", "The number of resources used in this problem instance.")); Parameters.Add(new LookupParameter>("JobData", "Job data taken from the JSSP - Instance.")); ScheduleEncodingParameter.ActualName = "Schedule"; } public static Schedule Apply(int jobs, int resources, PWREncoding pwr, ItemList jobData) { var resultingSchedule = new Schedule(jobData[0].Tasks.Count); foreach (int jobNr in pwr.PermutationWithRepetition) { int i = 0; while (jobData[jobNr].Tasks[i].IsScheduled) i++; Task currentTask = jobData[jobNr].Tasks[i]; double startTime = GTAlgorithmUtils.ComputeEarliestStartTime(currentTask, resultingSchedule); currentTask.IsScheduled = true; resultingSchedule.ScheduleTask(currentTask.ResourceNr, startTime, currentTask.Duration, currentTask.JobNr); } return resultingSchedule; } protected override IScheduleEncoding CreateSolution() { try { var jobData = (ItemList)JobDataParameter.ActualValue.Clone(); return Apply(JobsParameter.ActualValue.Value, ResourcesParameter.ActualValue.Value, new PWREncoding(JobsParameter.ActualValue.Value, ResourcesParameter.ActualValue.Value, RandomParameter.ActualValue), jobData); } catch { throw new Exception("ScheduleRandomCreator needs JobData parameter from a JSSP-Instance to create Schedule-Instances!"); } } } }