import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.StringSerializer;
import org.springframework.http.HttpStatus;
-import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.context.request.async.DeferredResult;
import javax.annotation.PreDestroy;
+import java.math.BigInteger;
import java.util.Properties;
import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
@Slf4j
{
private final String id;
private final String topic;
+ private final Integer partition;
private final KafkaProducer<String, String> producer;
private long produced = 0;
{
this.id = properties.getClientId();
this.topic = properties.getTopic();
+ this.partition = properties.getPartition();
Properties props = new Properties();
props.put("bootstrap.servers", properties.getBootstrapServer());
@PostMapping(path = "{key}")
public DeferredResult<ProduceResult> send(
@PathVariable String key,
+ @RequestHeader(name = "X-id", required = false) Long correlationId,
@RequestBody String value)
{
DeferredResult<ProduceResult> result = new DeferredResult<>();
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();