Changeset 7667 for branches/ProblemInstancesRegressionAndClassification/HeuristicLab.Problems.Instances.Regression/3.4/ResourceRegressionInstanceProvider.cs

Timestamp:

03/27/12 16:58:22 (12 years ago)

Author:

sforsten

Message:

#1784:

• updated the Plugin.cs.frame files
• added other real world problem instances
• put some methods from TrentMcConaghyInstanceProvider to the super class ResourceRegressionInstanceProvider

File:

• branches/ProblemInstancesRegressionAndClassification/HeuristicLab.Problems.Instances.Regression/3.4/ResourceRegressionInstanceProvider.cs (modified) (3 diffs)

branches/ProblemInstancesRegressionAndClassification/HeuristicLab.Problems.Instances.Regression/3.4/ResourceRegressionInstanceProvider.cs

@@ -20 +20 @@
 #endregion
 
+using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -30 +32 @@
 
     protected abstract string FileExtension { get; }
+
+    public override IEnumerable<IDataDescriptor> GetDataDescriptors() {
+      var solutionsArchiveName = GetResourceName(FileExtension + @"\.zip");
+      if (!String.IsNullOrEmpty(solutionsArchiveName)) {
+        using (var solutionsZipFile = new ZipInputStream(GetType().Assembly.GetManifestResourceStream(solutionsArchiveName))) {
+          foreach (var entry in GetZipContents(solutionsZipFile).OrderBy(x => x))
+            yield return new ResourceRegressionDataDescriptor(Path.GetFileNameWithoutExtension(entry), Description, entry);
+        }
+      }
+    }
 
     public override RegressionData LoadData(IDataDescriptor id) {
@@ -44 +56 @@
       return Assembly.GetExecutingAssembly().GetManifestResourceNames()
               .Where(x => Regex.Match(x, @".*\.Data\." + fileName).Success).SingleOrDefault();
+    }
+
+    protected IEnumerable<string> GetZipContents(ZipInputStream zipFile) {
+      ZipEntry entry;
+      while ((entry = zipFile.GetNextEntry()) != null) {
+        yield return entry.Name;
+      }
     }