Merge der überarbeiteten Compose-Konfiguration ('rebalance-listener')

[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 c2d4447..e5ef7d0 100644 (file)
--- a/src/main/java/de/juplo/kafka/EndlessConsumer.java
+++ b/src/main/java/de/juplo/kafka/EndlessConsumer.java
@@ -23,6 +23,7 @@ import java.util.concurrent.locks.ReentrantLock;
 public class EndlessConsumer implements Runnable
 {
   private final ExecutorService executor;
+  private final PartitionStatisticsRepository repository;
   private final String bootstrapServer;
   private final String groupId;
   private final String id;
@@ -42,6 +43,7 @@ public class EndlessConsumer implements Runnable
 
   public EndlessConsumer(
       ExecutorService executor,
+      PartitionStatisticsRepository repository,
       String bootstrapServer,
       String groupId,
       String clientId,
@@ -49,6 +51,7 @@ public class EndlessConsumer implements Runnable
       String autoOffsetReset)
   {
     this.executor = executor;
+    this.repository = repository;
     this.bootstrapServer = bootstrapServer;
     this.groupId = groupId;
     this.id = clientId;
@@ -91,6 +94,7 @@ public class EndlessConsumer implements Runnable
                   tp.partition(),
                   key);
             }
+            repository.save(new StatisticsDocument(tp.partition(), removed));
           });
         }
 
@@ -100,7 +104,12 @@ public class EndlessConsumer implements Runnable
           partitions.forEach(tp ->
           {
             log.info("{} - adding partition: {}", id, tp);
-            seen.put(tp.partition(), new HashMap<>());
+            seen.put(
+                tp.partition(),
+                repository
+                    .findById(Integer.toString(tp.partition()))
+                    .map(document -> document.statistics)
+                    .orElse(new HashMap<>()));
           });
         }
       });