From: Kai Moritz <kai@juplo.de>
Date: Fri, 18 Nov 2022 15:52:21 +0000 (+0100)
Subject: SimpleConsumer signalisiert Exit-Status im Rückgabewert
X-Git-Url: https://juplo.de/gitweb/?a=commitdiff_plain;h=664bec89418bb2349fe93349edd0f46b95a82726;p=demos%2Fkafka%2Ftraining

SimpleConsumer signalisiert Exit-Status im Rückgabewert
---

diff --git a/src/main/java/de/juplo/kafka/SimpleConsumer.java b/src/main/java/de/juplo/kafka/SimpleConsumer.java
index 1cf9b22..aadc11f 100644
--- a/src/main/java/de/juplo/kafka/SimpleConsumer.java
+++ b/src/main/java/de/juplo/kafka/SimpleConsumer.java
@@ -9,11 +9,12 @@ import org.apache.kafka.common.errors.WakeupException;
 
 import java.time.Duration;
 import java.util.Arrays;
+import java.util.concurrent.Callable;
 
 
 @Slf4j
 @RequiredArgsConstructor
-public class SimpleConsumer implements Runnable
+public class SimpleConsumer implements Callable<Integer>
 {
   private final String id;
   private final String topic;
@@ -23,7 +24,7 @@ public class SimpleConsumer implements Runnable
 
 
   @Override
-  public void run()
+  public Integer call()
   {
     try
     {
@@ -50,11 +51,13 @@ public class SimpleConsumer implements Runnable
     catch(WakeupException e)
     {
       log.info("{} - Consumer was signaled to finish its work", id);
+      return 0;
     }
     catch(Exception e)
     {
       log.error("{} - Unexpected error: {}, unsubscribing!", id, e.toString());
       consumer.unsubscribe();
+      return 1;
     }
     finally
     {