...

This page is meant as a template for writing a KIP. To create a KIP choose Tools->Copy on this page and modify with your content and replace the heading with the next KIP number and a description of your issue. Replace anything in italics with your own description.

Status

Current state: Under Discussion Discarded in favor of KIP-456: Helper classes to make it simpler to write test logic with TopologyTestDriver

Discussion thread: here [Change the link from the KIP proposal email archive to your own email thread]

...

public Iterable<ProducerRecord<byte[], byte[]>> iterateOutputiterableOutput(final String topic)

public <K, V> Iterable<ProducerRecord<K, V>> iterateOutputiterableOutput(final String topic,
                                                               final Deserializer<K> keyDeserializer,
                                                               final Deserializer<V> valueDeserializer)

...

• As these are new methods there should be no impact on existing users
  

Rejected Alternatives

...

• Use of Iterator as return type: Iterable can be used in foreach loop directly and can return an Iterator if needed.
• Return List of ProducerRecord: No real reason against it but was not favored so far. Might be added by KIP-456: Helper classes to make it simpler to write test logic with TopologyTestDriver anyway.