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fix: In `onPartitionsAssigned()` wurde der Kafka-Offset ausgegeben
[demos/kafka/training]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
AdderRebalanceListener.java
diff --git
a/src/main/java/de/juplo/kafka/AdderRebalanceListener.java
b/src/main/java/de/juplo/kafka/AdderRebalanceListener.java
index
284aff5
..
ef595ba
100644
(file)
--- a/
src/main/java/de/juplo/kafka/AdderRebalanceListener.java
+++ b/
src/main/java/de/juplo/kafka/AdderRebalanceListener.java
@@
-24,6
+24,7
@@
public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
private final Consumer<String, String> consumer;
private Instant lastCommit = Instant.EPOCH;
private final Consumer<String, String> consumer;
private Instant lastCommit = Instant.EPOCH;
+ private boolean commitsEnabled = true;
@Override
public void onPartitionsAssigned(Collection<TopicPartition> partitions)
@Override
public void onPartitionsAssigned(Collection<TopicPartition> partitions)
@@
-31,12
+32,11
@@
public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
partitions.forEach(tp ->
{
Integer partition = tp.partition();
partitions.forEach(tp ->
{
Integer partition = tp.partition();
- Long offset = consumer.position(tp);
- log.info("{} - adding partition: {}, offset={}", id, partition, offset);
StateDocument document =
repository
.findById(Integer.toString(partition))
.orElse(new StateDocument(partition));
StateDocument document =
repository
.findById(Integer.toString(partition))
.orElse(new StateDocument(partition));
+ log.info("{} - adding partition: {}, offset={}", id, partition, document.offset);
if (document.offset >= 0)
{
// Only seek, if a stored offset was found
if (document.offset >= 0)
{
// Only seek, if a stored offset was found
@@
-53,13
+53,20
@@
public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
partitions.forEach(tp ->
{
Integer partition = tp.partition();
partitions.forEach(tp ->
{
Integer partition = tp.partition();
- Long
newO
ffset = consumer.position(tp);
+ Long
o
ffset = consumer.position(tp);
log.info(
"{} - removing partition: {}, offset of next message {})",
id,
partition,
log.info(
"{} - removing partition: {}, offset of next message {})",
id,
partition,
- newOffset);
- repository.save(new StateDocument(partition, handler.removePartition(partition), newOffset));
+ offset);
+ if (commitsEnabled)
+ {
+ repository.save(new StateDocument(partition, handler.removePartition(partition), offset));
+ }
+ else
+ {
+ log.info("Offset commits are disabled! Last commit: {}", lastCommit);
+ }
});
}
});
}
@@
-67,6
+74,12
@@
public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
@Override
public void beforeNextPoll()
{
@Override
public void beforeNextPoll()
{
+ if (!commitsEnabled)
+ {
+ log.info("Offset commits are disabled! Last commit: {}", lastCommit);
+ return;
+ }
+
if (lastCommit.plus(commitInterval).isBefore(clock.instant()))
{
log.debug("Storing data and offsets, last commit: {}", lastCommit);
if (lastCommit.plus(commitInterval).isBefore(clock.instant()))
{
log.debug("Storing data and offsets, last commit: {}", lastCommit);
@@
-78,4
+91,16
@@
public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
lastCommit = clock.instant();
}
}
lastCommit = clock.instant();
}
}
+
+ @Override
+ public void enableCommits()
+ {
+ commitsEnabled = true;
+ }
+
+ @Override
+ public void disableCommits()
+ {
+ commitsEnabled = false;
+ }
}
}