NEU

[demos/kafka/chat] / src / main / java / de / juplo / kafka / chat / backend / persistence / kafka / ChatRoomChannel.java

diff --git a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java
index ac44f99..9ea23b1 100644 (file)
--- a/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/persistence/kafka/ChatRoomChannel.java
@@ -9,22 +9,23 @@ import org.apache.kafka.clients.consumer.ConsumerRecords;
 import org.apache.kafka.clients.producer.Producer;
 import org.apache.kafka.clients.producer.ProducerRecord;
 import org.apache.kafka.common.TopicPartition;
-import org.apache.kafka.common.errors.RecordDeserializationException;
 import org.apache.kafka.common.errors.WakeupException;
 import reactor.core.publisher.Mono;
 
 import java.time.*;
 import java.util.List;
+import java.util.Optional;
 import java.util.UUID;
+import java.util.concurrent.Callable;
 
 
 @RequiredArgsConstructor
 @Slf4j
-public class ChatRoomChannel implements Runnable
+public class ChatRoomChannel implements Callable<Optional<Exception>>
 {
   private final String topic;
-  private final Consumer<Integer, ChatRoomTo> consumer;
   private final Producer<Integer, ChatRoomTo> producer;
+  private final Consumer<Integer, ChatRoomTo> consumer;
   private final ShardingStrategy shardingStrategy;
   private final ChatMessageChannel chatMessageChannel;
   private final Clock clock;
@@ -69,7 +70,7 @@ public class ChatRoomChannel implements Runnable
   }
 
   @Override
-  public void run()
+  public Optional<Exception> call()
   {
     consumer.assign(List.of(new TopicPartition(topic, 0)));
 
@@ -92,9 +93,18 @@ public class ChatRoomChannel implements Runnable
         log.info("Received WakeupException, exiting!");
         running = false;
       }
+      catch (Exception e)
+      {
+        log.error("Exiting abnormally!");
+        return Optional.of(e);
+      }
     }
+
+    log.info("Exiting normally");
+    return Optional.empty();
   }
 
+
   void createChatRoom(ChatRoomInfo chatRoomInfo)
   {
     UUID id = chatRoomInfo.getId();