#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 System.Collections.Generic; using System.IO; using System.IO.Compression; using System.Linq; using System.Reflection; using System.Text.RegularExpressions; namespace HeuristicLab.Problems.Instances.Scheduling { public class JSSPORLIBInstanceProvider : ProblemInstanceProvider { public override string Name { get { return "ORLIB JSSP"; } } public override string Description { get { return "Job shop scheduling problems from the Operations Research Library."; } } public override Uri WebLink { get { return new Uri("http://people.brunel.ac.uk/~mastjjb/jeb/orlib/jobshopinfo.html"); } } public override string ReferencePublication { get { return String.Empty; } } public override IEnumerable GetDataDescriptors() { var instanceArchiveName = GetResourceName("JSSPORLIB.zip"); if (String.IsNullOrEmpty(instanceArchiveName)) yield break; using (var instanceStream = new ZipArchive(GetType().Assembly.GetManifestResourceStream(instanceArchiveName), ZipArchiveMode.Read)) { foreach (var entry in instanceStream.Entries.Select(x => x.Name).OrderBy(x => x)) { yield return new JSSPORLIBDataDescriptor(Path.GetFileNameWithoutExtension(entry), GetDescription(), entry, null); } } } public override JSSPData LoadData(IDataDescriptor id) { var descriptor = (JSSPORLIBDataDescriptor)id; var instanceArchiveName = GetResourceName("JSSPORLIB.zip"); using (var instancesZipFile = new ZipArchive(GetType().Assembly.GetManifestResourceStream(instanceArchiveName), ZipArchiveMode.Read)) { var entry = instancesZipFile.GetEntry(descriptor.InstanceIdentifier); using (var stream = entry.Open()) { var parser = new JSSPORLIBParser(); parser.Parse(stream); return Load(parser); } } } public override bool CanImportData { get { return true; } } public override JSSPData ImportData(string path) { var parser = new JSSPORLIBParser(); parser.Parse(path); return Load(parser); } private JSSPData Load(JSSPORLIBParser parser) { var instance = new JSSPData { Name = parser.Name, Description = parser.Description, Jobs = parser.Jobs, Resources = parser.Resources, ProcessingTimes = parser.ProcessingTimes, Demands = parser.Demands, DueDates = parser.DueDates }; return instance; } public override bool CanExportData { get { return true; } } public override void ExportData(JSSPData instance, string path) { var parser = new JSSPORLIBParser { Name = instance.Name, Description = instance.Description, Jobs = instance.Jobs, Resources = instance.Resources, ProcessingTimes = instance.ProcessingTimes, Demands = instance.Demands, DueDates = instance.DueDates }; parser.Export(path); } private string GetDescription() { return "Embedded instance of plugin version " + Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyFileVersionAttribute), true).Cast().First().Version + "."; } protected virtual string GetResourceName(string fileName) { return Assembly.GetExecutingAssembly().GetManifestResourceNames() .SingleOrDefault(x => Regex.Match(x, @".*\.Data\." + fileName).Success); } } }