import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.StringSerializer;
-import org.springframework.http.MediaType;
+import org.springframework.http.HttpStatus;
+import org.springframework.kafka.support.serializer.JsonSerializer;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.context.request.async.DeferredResult;
import javax.annotation.PreDestroy;
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 KafkaProducer<String, String> producer;
+ private final KafkaProducer<String, ClientMessage> producer;
private long produced = 0;
props.put("linger.ms", properties.getLingerMs());
props.put("compression.type", properties.getCompressionType());
props.put("key.serializer", StringSerializer.class.getName());
- props.put("value.serializer", StringSerializer.class.getName());
+ props.put("value.serializer", JsonSerializer.class.getName());
+ props.put(JsonSerializer.TYPE_MAPPINGS, "message:" + ClientMessage.class.getName());
this.producer = new KafkaProducer<>(props);
}
final long time = System.currentTimeMillis();
- final ProducerRecord<String, String> record = new ProducerRecord<>(
+ final ProducerRecord<String, ClientMessage> record = new ProducerRecord<>(
topic, // Topic
key, // Key
- value // Value
+ new ClientMessage(key, value) // Value
);
producer.send(record, (metadata, e) ->
return result;
}
+ @ExceptionHandler
+ @ResponseStatus(HttpStatus.BAD_REQUEST)
+ public ErrorResponse illegalStateException(IllegalStateException e)
+ {
+ return new ErrorResponse(e.getMessage(), HttpStatus.BAD_REQUEST.value());
+ }
+
@PreDestroy
public void destroy() throws ExecutionException, InterruptedException
{