navina commented on code in PR #9224:
URL: https://github.com/apache/pinot/pull/9224#discussion_r978359462
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pinot-plugins/pinot-stream-ingestion/pinot-kafka-2.0/src/main/java/org/apache/pinot/plugin/stream/kafka20/RowMetadataExtractor.java:
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@@ -18,15 +18,35 @@
*/
package org.apache.pinot.plugin.stream.kafka20;
+import java.util.HashMap;
+import java.util.Map;
import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.apache.kafka.common.header.Header;
+import org.apache.kafka.common.header.Headers;
+import org.apache.pinot.spi.data.readers.GenericRow;
import org.apache.pinot.spi.stream.RowMetadata;
import org.apache.pinot.spi.stream.StreamMessageMetadata;
@FunctionalInterface
public interface RowMetadataExtractor {
static RowMetadataExtractor build(boolean populateMetadata) {
- return populateMetadata ? record -> new
StreamMessageMetadata(record.timestamp()) : record -> null;
+ return record -> {
+ if (!populateMetadata) {
+ return null;
+ }
+ GenericRow headerGenericRow = new GenericRow();
+ Headers headers = record.headers();
+ if (headers != null) {
+ Header[] headersArray = headers.toArray();
+ for (Header header : headersArray) {
+ headerGenericRow.putValue(header.key(), header.value());
+ }
+ }
+ Map<String, String> metadata = new HashMap<>();
+ metadata.put("offset", String.valueOf(record.offset()));
Review Comment:
I have renamed this to KafkaMetadataExtractor
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