cameronlee314 commented on a change in pull request #918: SAMZA-2094: Implement
the StartpointVisitor for the KafkaSystemConsumer.
URL: https://github.com/apache/samza/pull/918#discussion_r257073732
##########
File path:
samza-kafka/src/main/java/org/apache/samza/system/kafka/KafkaSystemConsumer.java
##########
@@ -285,6 +321,27 @@ public void register(SystemStreamPartition
systemStreamPartition, String offset)
metrics.registerTopicAndPartition(toTopicAndPartition(tp));
}
+ @Override
+ public void register(SystemStreamPartition systemStreamPartition, Startpoint
startpoint) {
+ if (started.get()) {
+ String exceptionMessage = String.format("KafkaSystemConsumer: %s had
started. Registration of ssp: %s, startpoint: %s failed.", this,
systemStreamPartition, startpoint);
+ throw new SamzaException(exceptionMessage);
+ }
+
+ if (!Objects.equals(systemStreamPartition.getSystem(), systemName)) {
+ LOG.warn("{}: ignoring SSP {}, because this consumer's system doesn't
match.", this, systemStreamPartition);
+ return;
+ }
+
+ LOG.debug("Registering the ssp: {}, startpoint: {} with the consumer.",
systemStreamPartition, startpoint);
+
+ super.register(systemStreamPartition, startpoint);
Review comment:
Oops, I lost track of your change to `BlockingEnvelopeMap` above. Ignore the
above comment.
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