Changeset 11387 for branches/HeuristicLab.EvolutionTracking/HeuristicLab.EvolutionTracking

Timestamp:

09/23/14 17:08:59 (10 years ago)

Author:

bburlacu

Message:

#1772: Simplified fragment tracing code in the before/after manipulation operators.

File:

• branches/HeuristicLab.EvolutionTracking/HeuristicLab.EvolutionTracking/3.4/Operators/BeforeManipulatorOperator.cs (modified) (2 diffs)

branches/HeuristicLab.EvolutionTracking/HeuristicLab.EvolutionTracking/3.4/Operators/BeforeManipulatorOperator.cs

@@ -53 +53 @@
     public override IOperation Apply() {
       // since mutation always takes place after crossover, the vertex for the current child is already in the tree
-      var childVertex = (IGenealogyGraphNode<T>)GenealogyGraph.GetByContent(ChildParameter.ActualValue);
+      var childVertex = GenealogyGraph.GetByContent(ChildParameter.ActualValue);
       var clonedVertex = (IGenealogyGraphNode<T>)childVertex.Clone();
       clonedVertex.Rank = childVertex.Rank - 0.5;
@@ -64 +64 @@
         GenealogyGraph.AddArc(new GenealogyGraphArc(p, clonedVertex));
       }
-      clonedVertex.InArcs.Last().Data = arcs.Last().Data; // preserve fragment data
+      // by convention, the arc connecting child with parent (non-root parent in case of crossover)
+      // holds fragment data when applicable. the following line of code preserves this data 
+      // the graph arcs are now connecting parent (rank n) --> clone (rank n+0.5) --> child (rank n+1)
+      clonedVertex.InArcs.Last().Data = arcs.Last().Data;
       GenealogyGraph.AddArc(new GenealogyGraphArc(clonedVertex, childVertex));