Changeset 2566 for trunk/sources/HeuristicLab.CEDMA.Server/3.3/SimpleDispatcher.cs

Timestamp:

12/21/09 16:14:40 (15 years ago)

Author:

gkronber

Message:

Added new predefined function libraries for symbolic regression algorithms. Changed CEDMA dispatcher to choose a function library randomly. #813 (GP structure-identification algorithms that use only a simple function library)

File:

• trunk/sources/HeuristicLab.CEDMA.Server/3.3/SimpleDispatcher.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.CEDMA.Server/3.3/SimpleDispatcher.cs

@@ -34 +34 @@
 using HeuristicLab.Modeling.Database;
 using HeuristicLab.DataAnalysis;
+using HeuristicLab.GP.Interfaces;
+using HeuristicLab.GP;
+using HeuristicLab.GP.StructureIdentification;
 
 namespace HeuristicLab.CEDMA.Server {
@@ -196 +199 @@
       }
       algo.AllowedVariables = allowedFeatures;
+
+      IGeneticProgrammingAlgorithm structIdAlgo = algo as IGeneticProgrammingAlgorithm;
+      if (structIdAlgo != null) {
+        var funLib = SelectRandomFunctionLibrary();
+        structIdAlgo.FunctionLibraryInjector = funLib;
+      }
+    }
+
+    private IOperator SelectRandomFunctionLibrary() {
+      DiscoveryService ds = new DiscoveryService();
+      var injectors = from injector in ds.GetInstances<FunctionLibraryInjectorBase>()
+                      where injector.GetType().GetCustomAttributes(typeof(SymbolicRegressionFunctionLibraryInjectorAttribute), true).Count() > 0
+                      select injector;
+
+      return injectors.ElementAt(random.Next(injectors.Count()));
     }