another possible use for comparable resource versions

Author: shawkins

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

@@ -133,16 +133,16 @@ public void handleRecentResourceCreate(ResourceID resourceID, R resource) {
 
   @Override
   public Optional<R> get(ResourceID resourceID) {
+    var res = cache.get(resourceID);
     Optional<R> resource = temporaryResourceCache.getResourceFromCache(resourceID);
-    if (resource.isPresent()) {
+    if (resource.isPresent() && res.filter(r -> r.getMetadata().getResourceVersion() < resource.get().getMetadata().getResourceVersion()).isPresent()) {
       log.debug("Resource found in temporary cache for Resource ID: {}", resourceID);
       return resource;
     } else {
       log.debug(
           "Resource not found in temporary cache reading it from informer cache,"
               + " for Resource ID: {}",
           resourceID);
-      var res = cache.get(resourceID);
       log.debug("Resource found in cache: {} for id: {}", res.isPresent(), resourceID);
       return res;
     }

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

@@ -88,7 +88,7 @@ public synchronized void putResource(T newResource, String previousResourceVersi
     var resourceId = ResourceID.fromResource(newResource);
 
     String latest = managedInformerEventSource.getLastSyncResourceVersion(resourceId.getNamespace()).orElse(null);
-    if (latest != null && latest >= newResource.getMetadata().getResourceVersion()) {
+    if (latest != null && latest > newResource.getMetadata().getResourceVersion()) {
       log.debug(
           "Resource {}: resourceVersion {} is not later than latest {}",
           resourceId,