Changeset 16013 for branches/2864_PermutationProblems/HeuristicLab.Problems.Instances.PermutationProblems/3.3/LOP/LOPRANDBInstanceProvider.cs

Timestamp:

07/24/18 17:16:00 (7 years ago)

Author:

fholzing

Message:

#2864: Implemented a base class as the instance provider of LOPs

File:

• branches/2864_PermutationProblems/HeuristicLab.Problems.Instances.PermutationProblems/3.3/LOP/LOPRANDBInstanceProvider.cs (modified) (2 diffs)

branches/2864_PermutationProblems/HeuristicLab.Problems.Instances.PermutationProblems/3.3/LOP/LOPRANDBInstanceProvider.cs

@@ -21 +21 @@
 
 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.PermutationProblems.LinearOrdering {
-  public class LOPRANDBInstanceProvider : ProblemInstanceProvider<LOPData> {
+  public class LOPRANDBInstanceProvider : LOPInstanceProvider {
 
     public override string Name
@@ -45 +39 @@
       get { return new Uri("http://www.optsicom.es/lolib/lop/RandB.zip"); }
     }
-
-    public override string ReferencePublication
-    {
-      get { return "Martí, R., & Reinelt, G. (2011). The Linear Ordering Problem. Applied Mathematical Sciences. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-16729-4"; }
-    }
-
-    public override IEnumerable<IDataDescriptor> GetDataDescriptors() {
-      var instanceArchiveName = GetResourceName("RANDB.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 LOPDataDescriptor(Path.GetFileNameWithoutExtension(entry), GetDescription(), entry, null);
-        }
-      }
-    }
-
-    public override LOPData LoadData(IDataDescriptor id) {
-      var descriptor = (LOPDataDescriptor)id;
-      var instanceArchiveName = GetResourceName("RANDB.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 LOPParser();
-          parser.Parse(stream);
-          return Load(parser);
-        }
-      }
-    }
-
-    public override bool CanImportData
-    {
-      get { return true; }
-    }
-    public override LOPData ImportData(string path) {
-      var parser = new LOPParser();
-      parser.Parse(path);
-      return Load(parser);
-    }
-
-    private LOPData Load(LOPParser parser) {
-      var instance = new LOPData {
-        Name = parser.Name,
-        Description = parser.Description,
-        Dimension = parser.Dimension,
-        Matrix = parser.Matrix,
-        BestKnownPermutation = parser.BestKnownPermutation,
-        BestKnownQuality = parser.BestKnownQuality
-      };
-      return instance;
-    }
-
-    public override bool CanExportData
-    {
-      get { return false; }
-    }
-
-    private string GetDescription() {
-      return "Embedded instance of plugin version " + Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyFileVersionAttribute), true).Cast<AssemblyFileVersionAttribute>().First().Version + ".";
-    }
-
-    protected virtual string GetResourceName(string fileName) {
-      return Assembly.GetExecutingAssembly().GetManifestResourceNames()
-        .SingleOrDefault(x => Regex.Match(x, @".*\.Data\." + fileName).Success);
-    }
   }
 }