Changeset 1129 for branches/CEDMA-Refactoring-Ticket419/HeuristicLab.CEDMA.Core/DataSet.cs

Timestamp:

01/14/09 17:29:48 (15 years ago)

Author:

gkronber

Message:

worked on RDF backend. Implemented query support to load datasets. Queries for dispatcher and results still missing. (#419)

File:

• branches/CEDMA-Refactoring-Ticket419/HeuristicLab.CEDMA.Core/DataSet.cs (modified) (3 diffs)

branches/CEDMA-Refactoring-Ticket419/HeuristicLab.CEDMA.Core/DataSet.cs

@@ -41 +41 @@
     public string Name {
       get { return name; }
+      set { name = value; }
     }
 
@@ -48 +49 @@
         // lazy loading of problem from DB
         if (problem == null) {
-          var persistedData = Store.Select(new Statement(new Entity(Ontology.CedmaNameSpace + Guid), Ontology.PredicateSerializedData, Ontology.AnyEntity));
+          var serializedDataVar = new HeuristicLab.CEDMA.DB.Interfaces.Variable("SerializedData");
+          var persistedData = Store.Query(
+            new Statement[] { new Statement(new Entity(Ontology.CedmaNameSpace + Guid), Ontology.PredicateSerializedData, serializedDataVar)});
           if (persistedData.Count() == 1) {
-            Literal persistedLiteral = (Literal)persistedData.First().Property;
+            Literal persistedLiteral = (Literal)persistedData.First().Get("SerializedData");
             this.problem = (Problem)PersistenceManager.RestoreFromGZip(Convert.FromBase64String((string)persistedLiteral.Value));
           } else
@@ -69 +72 @@
       Store = store;
       guid = new Guid(dataSetEntity.Uri.Remove(0, Ontology.CedmaNameSpace.Length));
-      var names = store.Select(new Statement(dataSetEntity, Ontology.PredicateName, Ontology.AnyEntity));
-      if (names.Count() > 0) name = (string)((Literal)names.First().Property).Value;
-      else name = guid.ToString();
+      name = guid.ToString();
     }