Changeset 14517 for trunk/sources/HeuristicLab.Algorithms.ParameterlessPopulationPyramid/3.3/ParameterlessPopulationPyramid.cs

Timestamp:

12/22/16 10:07:46 (7 years ago)

Author:

jkarder

Message:

#2524: made BasicAlgorithm pausable

File:

• trunk/sources/HeuristicLab.Algorithms.ParameterlessPopulationPyramid/3.3/ParameterlessPopulationPyramid.cs (modified) (4 diffs)

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

@@ -165 +165 @@
 
     public ParameterlessPopulationPyramid() {
+      pausable = true;
       Parameters.Add(new FixedValueParameter<IntValue>(MaximumIterationsParameterName, "", new IntValue(Int32.MaxValue)));
       Parameters.Add(new FixedValueParameter<IntValue>(MaximumEvaluationsParameterName, "", new IntValue(Int32.MaxValue)));
@@ -170 +171 @@
       Parameters.Add(new FixedValueParameter<IntValue>(SeedParameterName, "The random seed used to initialize the new pseudo random number generator.", new IntValue(0)));
       Parameters.Add(new FixedValueParameter<BoolValue>(SetSeedRandomlyParameterName, "True if the random seed should be set to a random value, otherwise false.", new BoolValue(true)));
+    }
+
+    [StorableHook(HookType.AfterDeserialization)]
+    private void AfterDeserialization() {
+      // BackwardsCompatibility3.3
+      #region Backwards compatible code, remove with 3.4
+      pausable = true;
+      #endregion
     }
 
@@ -213 +222 @@
     }
 
-    protected override void Run(CancellationToken cancellationToken) {
+    protected override void Initialize(CancellationToken cancellationToken) {
       // Set up the algorithm
       if (SetSeedRandomly) Seed = new System.Random().Next();
@@ -242 +251 @@
       Results.Add(new Result("Stored Solutions", table));
 
+      base.Initialize(cancellationToken);
+    }
+
+    protected override void Run(CancellationToken cancellationToken) {
       // Loop until iteration limit reached or canceled.
-      for (ResultsIterations = 0; ResultsIterations < MaximumIterations; ResultsIterations++) {
-        double fitness = double.NaN;
-
-        try {
-          fitness = iterate();
-          cancellationToken.ThrowIfCancellationRequested();
-        } finally {
-          ResultsEvaluations = tracker.Evaluations;
-          ResultsBestSolution = new BinaryVector(tracker.BestSolution);
-          ResultsBestQuality = tracker.BestQuality;
-          ResultsBestFoundOnEvaluation = tracker.BestFoundOnEvaluation;
-          ResultsQualitiesBest.Values.Add(tracker.BestQuality);
-          ResultsQualitiesIteration.Values.Add(fitness);
-          ResultsLevels.Values.Add(pyramid.Count);
-          ResultsSolutions.Values.Add(seen.Count);
-        }
+      while (ResultsIterations < MaximumIterations) {
+        cancellationToken.ThrowIfCancellationRequested();
+        double fitness = iterate();
+
+        ResultsEvaluations = tracker.Evaluations;
+        ResultsBestSolution = new BinaryVector(tracker.BestSolution);
+        ResultsBestQuality = tracker.BestQuality;
+        ResultsBestFoundOnEvaluation = tracker.BestFoundOnEvaluation;
+        ResultsQualitiesBest.Values.Add(tracker.BestQuality);
+        ResultsQualitiesIteration.Values.Add(fitness);
+        ResultsLevels.Values.Add(pyramid.Count);
+        ResultsSolutions.Values.Add(seen.Count);
+
+        ResultsIterations++;
       }
     }