X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationConfiguration.java;h=3925fcba5fcd5a6a5f9bf934e93546493440e90c;hb=53e0f25ec3d03858494b2006670dc2b0564139c3;hp=b077a90efc137edc525dc5d57ccc7174b00c5091;hpb=2d84eda74475aaffff11ddfebe56d309b9aff2e9;p=demos%2Fkafka%2Ftraining

diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index b077a90..3925fcb 100644
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -2,6 +2,7 @@ package de.juplo.kafka;
 
 import org.apache.kafka.clients.consumer.Consumer;
 import org.apache.kafka.clients.consumer.KafkaConsumer;
+import org.apache.kafka.common.serialization.LongDeserializer;
 import org.apache.kafka.common.serialization.StringDeserializer;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
@@ -18,12 +19,20 @@ import java.util.concurrent.Executors;
 public class ApplicationConfiguration
 {
   @Bean
-  public WordcountRecordHandler wordcountRecordHandler(
+  public KeyCountingRecordHandler messageCountingRecordHandler()
+  {
+    return new KeyCountingRecordHandler();
+  }
+
+  @Bean
+  public KeyCountingRebalanceListener wordcountRebalanceListener(
+      KeyCountingRecordHandler keyCountingRecordHandler,
       PartitionStatisticsRepository repository,
-      Consumer<String, String> consumer,
+      Consumer<String, Long> consumer,
       ApplicationProperties properties)
   {
-    return new WordcountRecordHandler(
+    return new KeyCountingRebalanceListener(
+        keyCountingRecordHandler,
         repository,
         properties.getClientId(),
         properties.getTopic(),
@@ -33,10 +42,11 @@ public class ApplicationConfiguration
   }
 
   @Bean
-  public EndlessConsumer<String, String> endlessConsumer(
-      KafkaConsumer<String, String> kafkaConsumer,
+  public EndlessConsumer<String, Long> endlessConsumer(
+      KafkaConsumer<String, Long> kafkaConsumer,
       ExecutorService executor,
-      WordcountRecordHandler wordcountRecordHandler,
+      KeyCountingRebalanceListener keyCountingRebalanceListener,
+      KeyCountingRecordHandler keyCountingRecordHandler,
       ApplicationProperties properties)
   {
     return
@@ -45,7 +55,8 @@ public class ApplicationConfiguration
             properties.getClientId(),
             properties.getTopic(),
             kafkaConsumer,
-            wordcountRecordHandler);
+            keyCountingRebalanceListener,
+            keyCountingRecordHandler);
   }
 
   @Bean
@@ -55,7 +66,7 @@ public class ApplicationConfiguration
   }
 
   @Bean(destroyMethod = "close")
-  public KafkaConsumer<String, String> kafkaConsumer(ApplicationProperties properties)
+  public KafkaConsumer<String, Long> kafkaConsumer(ApplicationProperties properties)
   {
     Properties props = new Properties();
 
@@ -65,9 +76,10 @@ public class ApplicationConfiguration
     props.put("client.id", properties.getClientId());
     props.put("enable.auto.commit", false);
     props.put("auto.offset.reset", properties.getAutoOffsetReset());
+    props.put("auto.commit.interval.ms", (int)properties.getCommitInterval().toMillis());
     props.put("metadata.max.age.ms", "1000");
     props.put("key.deserializer", StringDeserializer.class.getName());
-    props.put("value.deserializer", StringDeserializer.class.getName());
+    props.put("value.deserializer", LongDeserializer.class.getName());
 
     return new KafkaConsumer<>(props);
   }