refactor: move getDependentResources back to ControllerConfiguration

Author: metacosm

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/api/config/ControllerConfiguration.java

@@ -2,7 +2,10 @@
 
 import io.fabric8.kubernetes.api.model.HasMetadata;
 import io.javaoperatorsdk.operator.ReconcilerUtils;
+import io.javaoperatorsdk.operator.api.reconciler.DependentResource;
 import io.javaoperatorsdk.operator.processing.event.source.ResourceEventFilter;
+import java.util.Collections;
+import java.util.List;
 
 public interface ControllerConfiguration<R extends HasMetadata> extends
     ResourceConfiguration<R, ControllerConfiguration<R>> {
@@ -34,4 +37,8 @@ default boolean useFinalizer() {
   default ResourceEventFilter<R, ControllerConfiguration<R>> getEventFilter() {
     return ResourceConfiguration.super.getEventFilter();
   }
+
+  default List<? extends DependentResource> getDependentResources() {
+    return Collections.emptyList();
+  }
 }

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/api/reconciler/Reconciler.java

@@ -50,8 +50,4 @@ default DeleteControl cleanup(R resource, Context context) {
    *         and it's not marked for deletion.</b>
    */
   UpdateControl<R> reconcile(R resource, Context context);
-
-  default List<DependentResource> getDependentResources() {
-    return Collections.emptyList();
-  }
 }

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/Controller.java

@@ -74,7 +74,7 @@ public DeleteControl execute() {
   public UpdateControl<R> reconcile(R resource, Context context) {
     final var metrics = configuration.getConfigurationService().getMetrics();
 
-    getDependentResources().forEach(dependent -> {
+    configuration.getDependentResources().forEach(dependent -> {
       final var conf = dependent.getConfiguration();
 
       if (!conf.creatable() && !conf.updatable()) {
@@ -141,7 +141,7 @@ public UpdateControl<R> execute() {
 
   @Override
   public void prepareEventSources(EventSourceRegistry<R> eventSourceRegistry, Cloner cloner) {
-    getDependentResources().forEach(dependent -> {
+    configuration.getDependentResources().forEach(dependent -> {
       final var dependentConfiguration = dependent.getConfiguration();
       eventSourceRegistry.registerEventSource(new ResourceEventSource<>(dependentConfiguration,
           kubernetesClient.resources(dependentConfiguration.getResourceClass()), cloner) {