Changeset 14221 for trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTreeNode.cs

Timestamp:

07/29/16 11:10:58 (8 years ago)

Author:

bburlacu

Message:

#2647: Addressed the issue described above by adding the [Storable] attribute to the node parent member, and cloning the swapped subtree during crossover.

File:

• trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTreeNode.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTreeNode.cs

@@ -44 +44 @@
 
     // parent relation is not persisted or cloned (will be set on AddSubtree or RemoveSubtree)
+    [Storable]
     private ISymbolicExpressionTreeNode parent;
     public ISymbolicExpressionTreeNode Parent {
@@ -87 +88 @@
       if (subtrees != null) {
         foreach (var subtree in subtrees)
-          subtree.Parent = this;
+          if (subtree.Parent != null)
+            subtree.Parent = this;
       }
     }