hailin0 commented on code in PR #3085:
URL:
https://github.com/apache/incubator-seatunnel/pull/3085#discussion_r996322486
##########
seatunnel-connectors-v2/connector-kafka/src/main/java/org/apache/seatunnel/connectors/seatunnel/kafka/sink/KafkaSinkWriter.java:
##########
@@ -74,6 +92,7 @@ public KafkaSinkWriter(
List<KafkaSinkState> kafkaStates) {
this.context = context;
this.pluginConfig = pluginConfig;
+ this.seaTunnelRowType = seaTunnelRowType;
Review Comment:
```suggestion
this.partitionExtractor = createPartitionExtractor(pluginConfig,
seaTunnelRowType);
```
Add this method
```java
private Function<SeaTunnelRow, String> createPartitionExtractor(Config
pluginConfig,
SeaTunnelRowType seaTunnelRowType) {
if (!pluginConfig.hasPath(PARTITION_KEY)){
return row -> null;
}
String partitionKey = pluginConfig.getString(PARTITION_KEY);
List<String> fieldNames =
Arrays.asList(seaTunnelRowType.getFieldNames());
if (!fieldNames.contains(partitionKey)) {
return row -> partitionKey;
}
int partitionFieldIndex = seaTunnelRowType.indexOf(partitionKey);
return row -> {
Object partitionFieldValue = row.getField(partitionFieldIndex);
if (partitionFieldValue != null) {
return partitionFieldValue.toString();
}
return null;
};
}
```
##########
seatunnel-connectors-v2/connector-kafka/src/main/java/org/apache/seatunnel/connectors/seatunnel/kafka/sink/KafkaSinkWriter.java:
##########
@@ -63,7 +66,22 @@ public class KafkaSinkWriter implements
SinkWriter<SeaTunnelRow, KafkaCommitInfo
// check config
@Override
public void write(SeaTunnelRow element) {
- ProducerRecord<byte[], byte[]> producerRecord =
seaTunnelRowSerializer.serializeRow(element);
+ ProducerRecord<byte[], byte[]> producerRecord = null;
+ //Determine the partition of the kafka send message based on the field
name
+ if (pluginConfig.hasPath(PARTITION_KEY)){
+ String keyField = pluginConfig.getString(PARTITION_KEY);
+ List<String> fields =
Arrays.asList(seaTunnelRowType.getFieldNames());
+ String key;
+ if (fields.contains(keyField)) {
+ key = element.getField(fields.indexOf(keyField)).toString();
+ } else {
+ key = keyField;
+ }
Review Comment:
```suggestion
String key = partitionExtractor.apply(element);
```
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