Changeset 7510

Timestamp:

02/24/12 09:04:07 (13 years ago)

Author:

mkommend

Message:

#1691: Updated LocalSearch to use default operators.

File:

• trunk/sources/HeuristicLab.Algorithms.LocalSearch/3.3/LocalSearch.cs (modified) (3 diffs)

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

@@ -289 +289 @@
     private void UpdateMoveGenerator() {
       IMoveGenerator oldMoveGenerator = MoveGenerator;
+      IMoveGenerator defaultMoveGenerator = Problem.Operators.OfType<IMoveGenerator>().FirstOrDefault();
       MoveGeneratorParameter.ValidValues.Clear();
       if (Problem != null) {
@@ -297 +298 @@
         IMoveGenerator newMoveGenerator = MoveGeneratorParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldMoveGenerator.GetType());
         if (newMoveGenerator != null) MoveGenerator = newMoveGenerator;
-      }
+        else oldMoveGenerator = null;
+      }
+      if (oldMoveGenerator == null && defaultMoveGenerator != null)
+        MoveGenerator = defaultMoveGenerator;
       if (MoveGenerator == null) {
         ClearMoveParameters();
@@ -312 +316 @@
             moveTypes.Remove(type);
         }
-        foreach (Type type in moveTypes) {
-          var operators = Problem.Operators.Where(x => type.IsAssignableFrom(x.GetType())).OrderBy(x => x.Name);
-          foreach (IMoveMaker moveMaker in operators.OfType<IMoveMaker>())
-            MoveMakerParameter.ValidValues.Add(moveMaker);
-          foreach (ISingleObjectiveMoveEvaluator moveEvaluator in operators.OfType<ISingleObjectiveMoveEvaluator>())
-            MoveEvaluatorParameter.ValidValues.Add(moveEvaluator);
-        }
+
+        var operators = Problem.Operators.Where(op => moveTypes.Any(m => m.IsInstanceOfType(op))).ToList();
+        IMoveMaker defaultMoveMaker = operators.OfType<IMoveMaker>().FirstOrDefault();
+        ISingleObjectiveMoveEvaluator defaultMoveEvaluator = operators.OfType<ISingleObjectiveMoveEvaluator>().FirstOrDefault();
+        foreach (IMoveMaker moveMaker in operators.OfType<IMoveMaker>().OrderBy(op => op.Name))
+          MoveMakerParameter.ValidValues.Add(moveMaker);
+        foreach (ISingleObjectiveMoveEvaluator moveEvaluator in operators.OfType<ISingleObjectiveMoveEvaluator>().OrderBy(op => op.Name))
+          MoveEvaluatorParameter.ValidValues.Add(moveEvaluator);
+
         if (oldMoveMaker != null) {
           IMoveMaker mm = MoveMakerParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldMoveMaker.GetType());
           if (mm != null) MoveMaker = mm;
-        }
+          else oldMoveMaker = null;
+        }
+        if (oldMoveMaker == null && defaultMoveMaker != null)
+          MoveMaker = defaultMoveMaker;
+
         if (oldMoveEvaluator != null) {
           ISingleObjectiveMoveEvaluator me = MoveEvaluatorParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldMoveEvaluator.GetType());
           if (me != null) MoveEvaluator = me;
-        }
+          else oldMoveEvaluator = null;
+        }
+        if (oldMoveEvaluator == null && defaultMoveEvaluator != null)
+          MoveEvaluator = defaultMoveEvaluator;
       }
     }