Added a EvoalComponent interface and added the possibility to implement custom selectors.

src/core/de.evoal.core.ea/src/main/java/de/evoal/core/ea/main/selector/SelectorComponent.java

+package de.evoal.core.ea.main.selector;
+
+import de.evoal.core.api.cdi.EvoalComponent;
+import io.jenetics.Selector;
+
+public interface SelectorComponent extends EvoalComponent<SelectorComponent>, Selector {
+}

src/core/de.evoal.core.ea/src/main/java/de/evoal/core/ea/main/producer/SelectorFactory.java → src/core/de.evoal.core.ea/src/main/java/de/evoal/core/ea/main/selector/SelectorFactory.java

-package de.evoal.core.ea.main.producer;
+package de.evoal.core.ea.main.selector;
 
 import de.evoal.core.api.board.CoreBlackboardEntries;
+import de.evoal.core.api.cdi.BeanFactory;
 import de.evoal.core.api.cdi.ConfigurationValue;
 import de.evoal.core.api.utils.LanguageHelper;
 import de.evoal.core.ea.main.comparator.ParetoOptimisationValue;
@@ -55,17 +56,8 @@ public class SelectorFactory {
 			case "linear-rank-selector": return createLinearRankSelector(config);
 			case "roulette-wheel-selector": return createRouletteWheelSelector(config);
 		}
-		log.error("Configured selector with name '{}' is not supported. Available selectors are:\n" +
-				"  elite-selector,\n" +
-				"  monte-carlo-selector,\n" +
-				"  stochastic-universal-selector,\n" +
-				"  tournament-selector,\n" +
-				"  truncation-selector,\n" +
-				"  boltzmann-selector,\n" +
-				"  exponential-rank-selector,\n" +
-				"  linear-rank-selector,\n" +
-				"  roulette-wheel-selector", name);
-		throw new IllegalStateException("Selector '" + name + "' is unknown.");
+
+		return BeanFactory.create(name, SelectorComponent.class).init(config);
 	}
 
 	private <G extends Gene<?, G>, C extends Comparable<? super C>> Selector<G, C> createNSGA2Selector(final Instance config) {

src/core/de.evoal.core.ea/src/main/java/module-info.java

@@ -33,7 +33,7 @@ module de.evoal.core.ea {
     opens de.evoal.core.ea.main.constraint to weld.core.impl;
     opens de.evoal.core.ea.main.fitness to weld.core.impl;
     opens de.evoal.core.ea.main.initial to weld.core.impl;
-    opens de.evoal.core.ea.main.producer to weld.core.impl;
+    opens de.evoal.core.ea.main.selector to weld.core.impl;
     opens de.evoal.core.ea.main.search to weld.core.impl;
     opens de.evoal.core.ea.main.statistics to weld.core.impl;
 }

src/core/de.evoal.core.main/src/main/java/de/evoal/core/api/cdi/EvoalComponent.java

+package de.evoal.core.api.cdi;
+
+import de.evoal.languages.model.base.Instance;
+
+/**
+ * Base class for components that allow initialisation using an init method.
+ */
+public interface EvoalComponent<T extends EvoalComponent<T>> {
+    /**
+     * Initialises the component based on the given configuration.
+     *
+     * @param configuration The configuration to use.
+     *
+     * @return The component itself.
+     */
+    public T init(final Instance configuration);
+}

src/core/de.evoal.core.main/src/main/java/de/evoal/core/api/optimisation/OptimisationAlgorithm.java

 package de.evoal.core.api.optimisation;
 
+import de.evoal.core.api.cdi.EvoalComponent;
 import de.evoal.languages.model.base.Instance;
 
 /**
  * Interface for all optimisation algorithms.
  */
-public interface OptimisationAlgorithm {
-    /**
-     * Initialises the algorithm based on the given configuration.
-     *
-     * @param instance The configuration to use.
-     *
-     * @return The algorithm itself.
-     */
-    OptimisationAlgorithm init(final Instance instance);
-
+public interface OptimisationAlgorithm extends EvoalComponent<OptimisationAlgorithm> {
     /**
      * Does the actual optimisation.
      */