Address comments

Signed-off-by: David Kornel <[email protected]>

Author: kornys

examples/kubernetes-client-examples/src/main/java/org/apache/flink/examples/Basic.java

@@ -29,6 +29,7 @@
 import io.fabric8.kubernetes.api.model.ObjectMeta;
 import io.fabric8.kubernetes.client.KubernetesClient;
 import io.fabric8.kubernetes.client.KubernetesClientBuilder;
+import io.fabric8.kubernetes.client.dsl.NonDeletingOperation;
 
 import java.util.Map;
 
@@ -68,11 +69,7 @@ public static void main(String[] args) {
                                 .build());
 
         try (KubernetesClient kubernetesClient = new KubernetesClientBuilder().build()) {
-            if (kubernetesClient.resource(flinkDeployment).get() == null) {
-                kubernetesClient.resource(flinkDeployment).create();
-            } else {
-                kubernetesClient.resource(flinkDeployment).update();
-            }
+            kubernetesClient.resource(flinkDeployment).createOr(NonDeletingOperation::update);
         }
     }
 }