X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FAdderRebalanceListener.java;fp=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FAdderRebalanceListener.java;h=7526929e1a7760fec682404c23a5bbbad3bb9cb8;hb=461c4014c22b0c0600f8d08578f5676f12d3b036;hp=284aff580df354d6c574c11c83baacb29a6673f7;hpb=c9d7601fc551069cd3a77da06a6333f22101a8a0;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/AdderRebalanceListener.java b/src/main/java/de/juplo/kafka/AdderRebalanceListener.java
index 284aff5..7526929 100644
--- a/src/main/java/de/juplo/kafka/AdderRebalanceListener.java
+++ b/src/main/java/de/juplo/kafka/AdderRebalanceListener.java
@@ -24,6 +24,7 @@ public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
   private final Consumer<String, String> consumer;
 
   private Instant lastCommit = Instant.EPOCH;
+  private boolean commitsEnabled = true;
 
   @Override
   public void onPartitionsAssigned(Collection<TopicPartition> partitions)
@@ -59,7 +60,14 @@ public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
           id,
           partition,
           newOffset);
-      repository.save(new StateDocument(partition, handler.removePartition(partition), newOffset));
+      if (commitsEnabled)
+      {
+        repository.save(new StateDocument(partition, handler.removePartition(partition), newOffset));
+      }
+      else
+      {
+        log.info("Offset commits are disabled! Last commit: {}", lastCommit);
+      }
     });
   }
 
@@ -67,6 +75,12 @@ public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
   @Override
   public void beforeNextPoll()
   {
+    if (!commitsEnabled)
+    {
+      log.info("Offset commits are disabled! Last commit: {}", lastCommit);
+      return;
+    }
+
     if (lastCommit.plus(commitInterval).isBefore(clock.instant()))
     {
       log.debug("Storing data and offsets, last commit: {}", lastCommit);
@@ -78,4 +92,16 @@ public class AdderRebalanceListener implements PollIntervalAwareConsumerRebalanc
       lastCommit = clock.instant();
     }
   }
+
+  @Override
+  public void enableCommits()
+  {
+    commitsEnabled = true;
+  }
+
+  @Override
+  public void disableCommits()
+  {
+    commitsEnabled = false;
+  }
 }