{
DeferredResult<ProduceResult> result = new DeferredResult<>();
- final long time = System.currentTimeMillis();
-
- final ProducerRecord<String, String> record = new ProducerRecord<>(
- topic, // Topic
- partition, // Partition
- key, // Key
- value // Value
- );
-
- record.headers().add("source", id.getBytes());
- if (correlationId != null)
- {
- record.headers().add("id", BigInteger.valueOf(correlationId).toByteArray());
- }
-
- producer.send(record, (metadata, e) ->
- {
- long now = System.currentTimeMillis();
- if (e == null)
- {
- // HANDLE SUCCESS
- produced++;
- result.setResult(new ProduceSuccess(metadata.partition(), metadata.offset()));
- log.debug(
- "{} - Sent key={} message={} partition={}/{} timestamp={} latency={}ms",
- id,
- record.key(),
- record.value(),
- metadata.partition(),
- metadata.offset(),
- metadata.timestamp(),
- now - time
- );
- }
- else
- {
- // HANDLE ERROR
- result.setErrorResult(new ProduceFailure(e));
- log.error(
- "{} - ERROR key={} timestamp={} latency={}ms: {}",
- id,
- record.key(),
- metadata == null ? -1 : metadata.timestamp(),
- now - time,
- e.toString()
- );
- }
- });
-
- long now = System.currentTimeMillis();
- log.trace(
- "{} - Queued #{} key={} latency={}ms",
- id,
- value,
- record.key(),
- now - time
- );
+ // TODO: Ergänzen Sie die Logik Ihres REST-Producers und
+ // ergänzen sie die versendten Nachrichten um die Header
return result;
}