WIP

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

diff --git a/src/main/java/de/juplo/kafka/EndlessConsumer.java b/src/main/java/de/juplo/kafka/EndlessConsumer.java
index 58374f4..ba8eb27 100644 (file)
--- a/src/main/java/de/juplo/kafka/EndlessConsumer.java
+++ b/src/main/java/de/juplo/kafka/EndlessConsumer.java
@@ -6,6 +6,7 @@ import org.apache.kafka.clients.consumer.*;
 import org.apache.kafka.common.TopicPartition;
 import org.apache.kafka.common.errors.RecordDeserializationException;
 import org.apache.kafka.common.errors.WakeupException;
+import org.springframework.stereotype.Component;
 
 import javax.annotation.PreDestroy;
 import java.time.Duration;
@@ -17,15 +18,16 @@ import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
 
 
+@Component
 @Slf4j
 @RequiredArgsConstructor
-public class EndlessConsumer<K, V> implements Runnable
+public class EndlessConsumer implements Runnable
 {
   private final ExecutorService executor;
   private final String id;
   private final String topic;
   private final Consumer<K, V> consumer;
-  private final PollIntervalAwareConsumerRebalanceListener rebalanceListener;
+  private final ConsumerRebalanceListener rebalanceListener;
   private final RecordHandler<K, V> recordHandler;
 
   private final Lock lock = new ReentrantLock();
@@ -42,7 +44,6 @@ public class EndlessConsumer<K, V> implements Runnable
     try
     {
       log.info("{} - Subscribing to topic {}", id, topic);
-      rebalanceListener.enableCommits();
       consumer.subscribe(Arrays.asList(topic), rebalanceListener);
 
       while (true)
@@ -68,13 +69,12 @@ public class EndlessConsumer<K, V> implements Runnable
 
           consumed++;
         }
-
-        rebalanceListener.beforeNextPoll();
       }
     }
     catch(WakeupException e)
     {
       log.info("{} - RIIING! Request to stop consumption - commiting current offsets!", id);
+      consumer.commitSync();
       shutdown();
     }
     catch(RecordDeserializationException e)
@@ -88,12 +88,12 @@ public class EndlessConsumer<K, V> implements Runnable
           offset,
           e.getCause().toString());
 
+      consumer.commitSync();
       shutdown(e);
     }
     catch(Exception e)
     {
-      log.error("{} - Unexpected error: {}, disabling commits", id, e.toString(), e);
-      rebalanceListener.disableCommits();
+      log.error("{} - Unexpected error: {}", id, e.toString(), e);
       shutdown(e);
     }
     finally