Changeset 5868 for trunk/sources/HeuristicLab.Algorithms.ParticleSwarmOptimization

Timestamp:

03/29/11 15:43:16 (14 years ago)

Author:

epitzer

Message:

Prevent NullReferenceException when opening incompatible problem (#852)

File:

• trunk/sources/HeuristicLab.Algorithms.ParticleSwarmOptimization/3.3/ParticleSwarmOptimization.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Algorithms.ParticleSwarmOptimization/3.3/ParticleSwarmOptimization.cs

@@ -378 +378 @@
         ISwarmUpdater updater = Problem.Operators.OfType<ISwarmUpdater>().FirstOrDefault();
         SwarmUpdaterParameter.ValidValues.Clear();
-        SwarmUpdaterParameter.ValidValues.Add(updater);
-        SwarmUpdaterParameter.Value = updater;
+        if (updater != null) {
+          SwarmUpdaterParameter.ValidValues.Add(updater);
+          SwarmUpdaterParameter.Value = updater;
+        }
       }
     }