[GitHub] [beam] dartiga commented on issue #25184: [Feature Request]: Use `partitionsFor` instead of `listTopics` in `ReadFromKafkaDoFn`

["dartiga (via GitHub)" <gi...@apache.org>]

dartiga commented on issue #25184:
URL: https://github.com/apache/beam/issues/25184#issuecomment-1406110008

   So instead of
   ```java
   for (List<PartitionInfo> topicPartitionList : consumer.listTopics().values()) {
       topicPartitionList.forEach(
           partitionInfo -> {
             existingTopicPartitions.add(
                 new TopicPartition(partitionInfo.topic(), partitionInfo.partition()));
           });
   }
   ```
   Have something like:
   ```java
   List<PartitionInfo> topicPartitionList =
             consumer.partitionsFor(kafkaSourceDescriptor.getTopicPartition().topic());
   topicPartitionList.forEach(
       partitionInfo -> {
            existingTopicPartitions.add(
                 new TopicPartition(partitionInfo.topic(), partitionInfo.partition()));
       });
   ```


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