refactor: use accessor instead of field

Signed-off-by: Chris Laprun <metacosm@gmail.com>

Author: metacosm

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

@@ -19,7 +19,7 @@
 
 public class Event {
 
-  protected final ResourceID relatedCustomResource;
+  private final ResourceID relatedCustomResource;
 
   public Event(ResourceID targetCustomResource) {
     this.relatedCustomResource = targetCustomResource;

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/processing/event/source/informer/ExtendedResourceEvent.java

@@ -44,12 +44,16 @@ public Optional<HasMetadata> getPreviousResource() {
   @Override
   public String toString() {
     return "ExtendedResourceEvent{"
-        + getPreviousResource().map(r -> "previousResourceVersion=" + r.getMetadata().getResourceVersion()).orElse("")
+        + getPreviousResource()
+            .map(r -> "previousResourceVersion=" + r.getMetadata().getResourceVersion())
+            .orElse("")
         + ", action="
         + getAction()
-        + getResource().map(r -> ", resourceVersion=" + r.getMetadata().getResourceVersion()).orElse("")
+        + getResource()
+            .map(r -> ", resourceVersion=" + r.getMetadata().getResourceVersion())
+            .orElse("")
         + ", relatedCustomResourceName="
-        + relatedCustomResource.getName()
+        + getRelatedCustomResourceID().getName()
         + '}';
   }