Changeset 13094 for trunk/sources/HeuristicLab.Algorithms.GeneticAlgorithm/3.3/IslandGeneticAlgorithm.cs

Timestamp:

10/30/15 16:26:07 (9 years ago)

Author:

pfleck

Message:

#2495
Added backwards compatibility for IslandGeneticAlgorithm and IslandOffspringSelectionGeneticAlgorithm to still use counterclockwise migration.
The UnidirectionalRingMigrator uses clockwise per default.

File:

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

trunk/sources/HeuristicLab.Algorithms.GeneticAlgorithm/3.3/IslandGeneticAlgorithm.cs

@@ -339 +339 @@
       ParameterizeSelectors();
 
-      foreach (IMigrator migrator in ApplicationManager.Manager.GetInstances<IMigrator>().OrderBy(x => x.Name))
+      foreach (IMigrator migrator in ApplicationManager.Manager.GetInstances<IMigrator>().OrderBy(x => x.Name)) {
+        // BackwardsCompatibility3.3
+        // Set the migration direction to counterclockwise
+        var unidirectionalRing = migrator as UnidirectionalRingMigrator;
+        if (unidirectionalRing != null) unidirectionalRing.ClockwiseMigrationDirection = new BoolValue(false);
         MigratorParameter.ValidValues.Add(migrator);
+      }
 
       qualityAnalyzer = new BestAverageWorstQualityAnalyzer();