refactor: provide default empty implementation

Author: metacosm

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

@@ -49,7 +49,7 @@ default Optional<ResourceEventSource<R, P>> eventSource(
     return Optional.empty();
   }
 
-  void useEventSourceWithName(String name);
+  default void useEventSourceWithName(String name) {}
 
   default Optional<R> getSecondaryResource(P primary, Context<P> context) {
     return Optional.empty();

operator-framework-core/src/test/java/io/javaoperatorsdk/operator/api/config/ControllerConfigurationOverriderTest.java

@@ -80,9 +80,6 @@ public ReconcileResult<Object> reconcile(ConfigMap primary, Context<ConfigMap> c
       public Class<Object> resourceType() {
         return Object.class;
       }
-
-      @Override
-      public void useEventSourceWithName(String name) {}
     }
   }
 

operator-framework-core/src/test/java/io/javaoperatorsdk/operator/processing/dependent/AbstractDependentResourceTest.java

@@ -78,9 +78,6 @@ public Class<ConfigMap> resourceType() {
       return ConfigMap.class;
     }
 
-    @Override
-    public void useEventSourceWithName(String name) {}
-
     @Override
     public Optional<ConfigMap> getSecondaryResource(TestCustomResource primary,
         Context<TestCustomResource> context) {

operator-framework-core/src/test/java/io/javaoperatorsdk/operator/processing/dependent/EmptyTestDependentResource.java

@@ -19,9 +19,5 @@ public ReconcileResult<Deployment> reconcile(TestCustomResource primary,
   public Class<Deployment> resourceType() {
     return Deployment.class;
   }
-
-  @Override
-  public void useEventSourceWithName(String name) {}
-
 }
 

operator-framework-core/src/test/java/io/javaoperatorsdk/operator/processing/dependent/workflow/AbstractWorkflowExecutorTest.java

@@ -48,9 +48,6 @@ public Class<String> resourceType() {
       return String.class;
     }
 
-    @Override
-    public void useEventSourceWithName(String name) {}
-
     @Override
     public String toString() {
       return name;
@@ -110,9 +107,6 @@ public Class<String> resourceType() {
       return String.class;
     }
 
-    @Override
-    public void useEventSourceWithName(String name) {}
-
     @Override
     public String toString() {
       return name;