[GitHub] [flink-statefun] igalshilman commented on a change in pull request #5: [FLINK-15769] [kafka-io] Add configuring startup position for Kafka ingress

[GitBox <gi...@apache.org>]

igalshilman commented on a change in pull request #5: [FLINK-15769] [kafka-io] Add configuring startup position for Kafka ingress
URL: https://github.com/apache/flink-statefun/pull/5#discussion_r373390583
 
 

 ##########
 File path: statefun-kafka-io/src/main/java/org/apache/flink/statefun/sdk/kafka/KafkaIngressSpec.java
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 @@ -69,4 +75,8 @@ public Properties properties() {
   public Class<? extends KafkaIngressDeserializer<T>> deserializerClass() {
     return deserializerClass;
   }
+
+  public Optional<String> consumerGroupId() {
+    return (consumerGroupId == null) ? Optional.empty() : Optional.of(consumerGroupId);
 
 Review comment:
   This could be replaced with `Optional.ofNullable(consumerGroupdId)`
   

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