Merge der Upgrades für Confluent/Spring-Boot (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 6e4236b..a040bb0 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;
 
@@ -48,6 +49,7 @@ public class RestProducer
   @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<>();
@@ -61,6 +63,12 @@ public class RestProducer
         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();