[jira] [Created] (KAFKA-9342) Consider making all Kafka Streams DSL configuration classes immutable

[Levani Kokhreidze (Jira)]

Levani Kokhreidze created KAFKA-9342:
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             Summary: Consider making all Kafka Streams DSL configuration 
classes immutable
                 Key: KAFKA-9342
                 URL: https://issues.apache.org/jira/browse/KAFKA-9342
             Project: Kafka
          Issue Type: Improvement
          Components: streams
            Reporter: Levani Kokhreidze


Currently, Kafka Streams DSL config classes are mix of mutable 
_org.apache.kafka.streams.kstream.Consumed, 
org.apache.kafka.streams.kstream.Materialized_ and immutable 
_org.apache.kafka.streams.kstream.Joined, 
org.apache.kafka.streams.kstream.Grouped_ classes.

Consider unifying all config classes of the DSL operations and make them 
immutable. Backward compatibility should be taken into account when making 
config classes immutable. For example, things may break for user if he or she 
has the code similar to this:

 
{code:java}
final Materialized<K, V, S> materialized = Materialized.as("my-store");

if (someCondition()) {
  materialized.withCachingDisabled();
}{code}
 



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