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

[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 4c04fd8..2f2a1cb 100644 (file)
--- a/src/main/java/de/juplo/kafka/RestProducer.java
+++ b/src/main/java/de/juplo/kafka/RestProducer.java
@@ -54,8 +54,58 @@ public class RestProducer
   {
     DeferredResult<ProduceResult> result = new DeferredResult<>();
 
-    // TODO: Ergänzen Sie die Logik Ihres REST-Producers und
-    //       ergänzen sie die versendten Nachrichten um die Header
+    final long time = System.currentTimeMillis();
+
+    final ProducerRecord<String, String> record = new ProducerRecord<>(
+        topic,  // Topic
+        partition, // Partition
+        key,    // Key
+        value   // Value
+    );
+
+    // TODO: Fügen Sie die Header zu der Nachricht hinzu
+
+    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 message with key={} latency={}ms",
+        id,
+        record.key(),
+        now - time
+    );
 
     return result;
   }