[
https://issues.apache.org/jira/browse/BEAM-7310?focusedWorklogId=376886&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-376886
]
ASF GitHub Bot logged work on BEAM-7310:
----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Jan/20 16:05
Start Date: 24/Jan/20 16:05
Worklog Time Spent: 10m
Work Description: aromanenko-dev commented on pull request #10563:
[BEAM-7310] Add support of Confluent Schema Registry for KafkaIO
URL: https://github.com/apache/beam/pull/10563#discussion_r370712008
##########
File path:
sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/KafkaIO.java
##########
@@ -891,6 +1014,50 @@ public void setValueDeserializer(String
valueDeserializer) {
return input.getPipeline().apply(transform);
}
+ private Coder<K> getKeyCoder(CoderRegistry coderRegistry, String
schemaRegistryURL) {
+ Schema avroKeySchema = null;
+ if (schemaRegistryURL != null && getKeySchemaSubject() != null) {
+ avroKeySchema = fetchAvroSchema(schemaRegistryURL,
getKeySchemaSubject());
+ checkArgument(avroKeySchema != null, "Avro key schema can't be null");
+ }
+
+ Coder<K> keyCoder;
+ if (avroKeySchema != null) {
+ keyCoder = (Coder<K>) AvroCoder.of(avroKeySchema);
+ } else {
+ keyCoder =
+ getKeyCoder() != null ? getKeyCoder() : inferCoder(coderRegistry,
getKeyDeserializer());
+ }
+ checkState(
+ keyCoder != null,
+ "Key coder could not be inferred from key deserializer. Please
provide"
+ + "key coder explicitly using withKeyDeserializerAndCoder()");
+ return keyCoder;
+ }
+
+ private Coder<V> getValueCoder(CoderRegistry coderRegistry, String
schemaRegistryURL) {
+ Schema avroValueSchema = null;
+ if (schemaRegistryURL != null && getValueSchemaSubject() != null) {
+ avroValueSchema = fetchAvroSchema(schemaRegistryURL,
getValueSchemaSubject());
+ checkArgument(avroValueSchema != null, "Avro value schema can't be
null");
+ }
+
+ Coder<V> valueCoder;
+ if (avroValueSchema != null) {
+ valueCoder = (Coder<V>) AvroCoder.of(avroValueSchema);
+ } else {
+ valueCoder =
+ getValueCoder() != null
+ ? getValueCoder()
+ : inferCoder(coderRegistry, getValueDeserializer());
+ }
+ checkState(
+ valueCoder != null,
+ "Value coder could not be inferred from value deserializer. Please
provide"
+ + "value coder explicitly using
withValueDeserializerAndCoder()");
+ return valueCoder;
+ }
Review comment:
I planned to do this in the next PR for
https://issues.apache.org/jira/browse/BEAM-7336
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
Issue Time Tracking
-------------------
Worklog Id: (was: 376886)
Time Spent: 9h 40m (was: 9.5h)
> Confluent Schema Registry support in KafkaIO
> --------------------------------------------
>
> Key: BEAM-7310
> URL: https://issues.apache.org/jira/browse/BEAM-7310
> Project: Beam
> Issue Type: Improvement
> Components: io-java-kafka
> Affects Versions: 2.12.0
> Reporter: Yohei Shimomae
> Assignee: Alexey Romanenko
> Priority: Minor
> Time Spent: 9h 40m
> Remaining Estimate: 0h
>
> Confluent Schema Registry is useful when we manage Avro Schema but KafkaIO
> does not support Confluent Schema Registry as discussed here.
> https://stackoverflow.com/questions/56035121/unable-to-connect-from-dataflow-job-to-schema-registry-when-schema-registry-requ
> https://lists.apache.org/thread.html/7695fccddebd08733b80ae1e43b79b636b63cd5fe583a2bdeecda6c4@%3Cuser.beam.apache.org%3E
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
