Merge der überarbeiteten Compose-Konfiguration (Branch 'customized')

[demos/kafka/training] / src / main / java / de / juplo / kafka / RestProducer.java

diff --git a/src/main/java/de/juplo/kafka/RestProducer.java b/src/main/java/de/juplo/kafka/RestProducer.java
index 0f35600..b430e35 100644 (file)
--- a/src/main/java/de/juplo/kafka/RestProducer.java
+++ b/src/main/java/de/juplo/kafka/RestProducer.java
@@ -9,6 +9,7 @@ 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;
 
@@ -57,10 +58,17 @@ public class RestProducer
 
     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();
@@ -97,9 +105,8 @@ public class RestProducer
 
     long now = System.currentTimeMillis();
     log.trace(
-        "{} - Queued #{} key={} latency={}ms",
+        "{} - Queued message with key={} latency={}ms",
         id,
-        value,
         record.key(),
         now - time
     );