feat: add DependentResourceConfiguration annotation

Author: metacosm

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

@@ -1,5 +1,9 @@
 package io.javaoperatorsdk.operator.api.config;
 
+import static io.javaoperatorsdk.operator.api.reconciler.DependentResourceConfiguration.CREATABLE_DEFAULT;
+import static io.javaoperatorsdk.operator.api.reconciler.DependentResourceConfiguration.OWNED_DEFAULT;
+import static io.javaoperatorsdk.operator.api.reconciler.DependentResourceConfiguration.UPDATABLE_DEFAULT;
+
 import java.util.Set;
 import java.util.function.Function;
 
@@ -11,15 +15,15 @@ public interface DependentResourceConfiguration<R extends HasMetadata>
     extends ResourceConfiguration<R, DependentResourceConfiguration<R>> {
 
   default boolean creatable() {
-    return true;
+    return CREATABLE_DEFAULT;
   }
 
   default boolean updatable() {
-    return false;
+    return UPDATABLE_DEFAULT;
   }
 
   default boolean owned() {
-    return true;
+    return OWNED_DEFAULT;
   }
 
   default Function<R, Set<ResourceID>> getSecondaryToPrimaryResourcesMapper() {

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

@@ -68,5 +68,5 @@
    * 
    * @return the list of {@link DependentResource} implementations
    */
-  Class<? extends DependentResource>[] dependents() default {};
+  DependentResourceConfiguration[] dependents() default {};
 }

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

@@ -0,0 +1,17 @@
+package io.javaoperatorsdk.operator.api.reconciler;
+
+import io.fabric8.kubernetes.api.model.HasMetadata;
+
+public @interface DependentResourceConfiguration {
+  boolean CREATABLE_DEFAULT = true;
+  boolean UPDATABLE_DEFAULT = false;
+  boolean OWNED_DEFAULT = true;
+
+  boolean creatable() default CREATABLE_DEFAULT;
+
+  boolean updatable() default UPDATABLE_DEFAULT;
+
+  boolean owned() default OWNED_DEFAULT;
+
+  Class<? extends DependentResource<? extends HasMetadata>> impl();
+}