X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationRebalanceListener.java;h=f3e6c8af018299efc9e3e027b45a14f76b29c5a1;hb=ce92719ebd18b3c34a3aa8ca60cf67f6c3fbd8b2;hp=b517d3574efc3b2c4b0c022c9f78a60e7084fe44;hpb=a4bbf334910cb37fabadb720cd0ee7f2a21ecaa7;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/ApplicationRebalanceListener.java b/src/main/java/de/juplo/kafka/ApplicationRebalanceListener.java
index b517d35..f3e6c8a 100644
--- a/src/main/java/de/juplo/kafka/ApplicationRebalanceListener.java
+++ b/src/main/java/de/juplo/kafka/ApplicationRebalanceListener.java
@@ -13,7 +13,7 @@ import java.util.*;
 
 @RequiredArgsConstructor
 @Slf4j
-public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRebalanceListener
+public class ApplicationRebalanceListener implements RebalanceListener
 {
   private final ApplicationRecordHandler recordHandler;
   private final AdderResults adderResults;
@@ -74,15 +74,15 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe
       Integer partition = tp.partition();
       log.info("{} - removing partition: {}", id, partition);
       this.partitions.remove(partition);
-      Long offset = consumer.position(tp);
       if (commitsEnabled)
       {
+        Map<String, AdderResult> state = recordHandler.removePartition(partition);
+        Long offset = consumer.position(tp);
         log.info(
-            "{} - Storing {} as offset of next message for partition {}",
+            "{} - offset of next unseen message for partition {} is {}",
             id,
-            offset,
-            partition);
-        Map<String, AdderResult> state = recordHandler.removePartition(partition);
+            partition,
+            offset);
         for (String user : state.keySet())
         {
           log.info(
@@ -97,7 +97,7 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe
       }
       else
       {
-        log.info("Offset commits are disabled! Last commit: {}", lastCommit);
+        log.info("{} - Offset commits are disabled! Last commit: {}", id, lastCommit);
       }
     });
   }
@@ -108,19 +108,37 @@ public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRe
   {
     if (!commitsEnabled)
     {
-      log.info("Offset commits are disabled! Last commit: {}", lastCommit);
+      log.info("{} - Offset commits are disabled! Last commit: {}", id, lastCommit);
       return;
     }
 
     if (lastCommit.plus(commitInterval).isBefore(clock.instant()))
     {
-      log.debug("Storing data and offsets, last commit: {}", lastCommit);
-      partitions.forEach(partition -> stateRepository.save(
-          new StateDocument(
+      partitions
+        .stream()
+        .forEach(partition ->
+        {
+          log.info("{} - persisting state & offset for partition: {}", id, partition);
+          Map<String, AdderResult> state = recordHandler.getState(partition).getState();
+          Long offset = consumer.position(new TopicPartition(topic, partition));
+          log.info(
+            "{} - offset of next unseen message for partition {} is {}",
+            id,
+            partition,
+            offset);
+          for (String user : state.keySet())
+          {
+            log.info(
+              "{} - Saved state for partition={}|user={}: {}",
+              id,
               partition,
-              recordHandler.getState(partition).getState(),
-              adderResults.getState(partition),
-              consumer.position(new TopicPartition(topic, partition)))));
+              user,
+              state.get(user));
+          }
+          Map<String, List<AdderResult>> results = adderResults.getState(partition);
+          stateRepository.save(new StateDocument(partition, state, results, offset));
+        });
+
       lastCommit = clock.instant();
     }
   }