X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FWordcountRecordHandler.java;fp=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FWordcountRecordHandler.java;h=bdf4b328c048171f3124e3e24c4454c60166da25;hb=fc682d9890787ef363b3e189f6f880a043f3c541;hp=5981c7d6e9d4c9404c979f2e230927275ed7f742;hpb=818c1eb862247e25abf9f7d91d5a73e3e3789a39;p=demos%2Fkafka%2Ftraining diff --git a/src/main/java/de/juplo/kafka/WordcountRecordHandler.java b/src/main/java/de/juplo/kafka/WordcountRecordHandler.java index 5981c7d..bdf4b32 100644 --- a/src/main/java/de/juplo/kafka/WordcountRecordHandler.java +++ b/src/main/java/de/juplo/kafka/WordcountRecordHandler.java @@ -22,7 +22,6 @@ public class WordcountRecordHandler implements RecordHandler private final PartitionStatisticsRepository repository; - private final String id; private final String topic; private final Clock clock; private final Duration commitInterval; @@ -78,37 +77,14 @@ public class WordcountRecordHandler implements RecordHandler } } - @Override - public void onPartitionAssigned(TopicPartition tp) + public void addPartition(Integer partition, Map> statistics) { - Integer partition = tp.partition(); - Long offset = consumer.position(tp); - log.info("{} - adding partition: {}, offset={}", id, partition, offset); - StatisticsDocument document = - repository - .findById(Integer.toString(partition)) - .orElse(new StatisticsDocument(partition)); - if (document.offset >= 0) - { - // Only seek, if a stored offset was found - // Otherwise: Use initial offset, generated by Kafka - consumer.seek(tp, document.offset); - } - seen.put(partition, document.statistics); + seen.put(partition, statistics); } - @Override - public void onPartitionRevoked(TopicPartition tp) + public Map> removePartition(Integer partition) { - Integer partition = tp.partition(); - Long newOffset = consumer.position(tp); - log.info( - "{} - removing partition: {}, offset of next message {})", - id, - partition, - newOffset); - Map> removed = seen.remove(partition); - repository.save(new StatisticsDocument(partition, removed, consumer.position(tp))); + return seen.remove(partition); }