X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FEndlessConsumer.java;h=b152310b3441316032b59ba8ff7948d3291c8c84;hb=3c1d3fa68df685146bdef7cc2e396e55fa0933dc;hp=c7bc852ccf53e0a3e12c9216dae13e0b257b5f49;hpb=149fa27c8d1fd65c4b9510ff34ae44b11529e549;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/EndlessConsumer.java b/src/main/java/de/juplo/kafka/EndlessConsumer.java
index c7bc852..b152310 100644
--- a/src/main/java/de/juplo/kafka/EndlessConsumer.java
+++ b/src/main/java/de/juplo/kafka/EndlessConsumer.java
@@ -22,6 +22,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
 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;
@@ -38,6 +39,7 @@ public class EndlessConsumer implements Runnable
 
   public EndlessConsumer(
       ExecutorService executor,
+      PartitionStatisticsRepository repository,
       String bootstrapServer,
       String groupId,
       String clientId,
@@ -45,6 +47,7 @@ public class EndlessConsumer implements Runnable
       String autoOffsetReset)
   {
     this.executor = executor;
+    this.repository = repository;
     this.bootstrapServer = bootstrapServer;
     this.groupId = groupId;
     this.id = clientId;
@@ -61,6 +64,7 @@ public class EndlessConsumer implements Runnable
       props.put("bootstrap.servers", bootstrapServer);
       props.put("group.id", groupId);
       props.put("client.id", id);
+      props.put("enable.auto.commit", false);
       props.put("auto.offset.reset", autoOffsetReset);
       props.put("metadata.max.age.ms", "1000");
       props.put("key.deserializer", StringDeserializer.class.getName());
@@ -87,6 +91,7 @@ public class EndlessConsumer implements Runnable
                   removed.getPartition(),
                   counter.getKey());
             }
+            repository.save(new StatisticsDocument(removed, consumer.position(tp)));
           });
         }
 
@@ -96,7 +101,12 @@ public class EndlessConsumer implements Runnable
           partitions.forEach(tp ->
           {
             log.info("{} - adding partition: {}", id, tp);
-            seen.put(tp, new PartitionStatistics(tp));
+            StatisticsDocument document =
+                repository
+                    .findById(tp.toString())
+                    .orElse(new StatisticsDocument(tp));
+            consumer.seek(tp, document.offset);
+            seen.put(tp, new PartitionStatistics(document));
           });
         }
       });
@@ -125,6 +135,8 @@ public class EndlessConsumer implements Runnable
           String key = record.key() == null ? "NULL" : record.key();
           seen.get(partition).increment(key);
         }
+
+        seen.forEach((tp, statistics) -> repository.save(new StatisticsDocument(statistics, consumer.position(tp))));
       }
     }
     catch(WakeupException e)