Addder beendet sich bei Fehler und Logik für Beenden vereinfacht

[demos/kafka/training] / src / main / java / de / juplo / kafka / ApplicationConfiguration.java

diff --git a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
index 1ba9d5b..93db3b5 100644 (file)
--- a/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/ApplicationConfiguration.java
@@ -1,17 +1,17 @@
 package de.juplo.kafka;
 
-import org.apache.kafka.clients.consumer.ConsumerRecord;
 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.ConfigurableApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.kafka.support.serializer.JsonDeserializer;
 
+import java.util.Optional;
 import java.util.Properties;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
-import java.util.function.Consumer;
 
 
 @Configuration
@@ -19,30 +19,55 @@ import java.util.function.Consumer;
 public class ApplicationConfiguration
 {
   @Bean
-  public Consumer<ConsumerRecord<String, Long>> consumer()
+  public ApplicationRecordHandler recordHandler(
+      AdderResults adderResults,
+      ApplicationProperties properties)
+  {
+    return new ApplicationRecordHandler(
+        adderResults,
+        Optional.ofNullable(properties.getThrottle()),
+        properties.getClientId());
+  }
+
+  @Bean
+  public AdderResults adderResults()
+  {
+    return new AdderResults();
+  }
+
+  @Bean
+  public ApplicationRebalanceListener rebalanceListener(
+      ApplicationRecordHandler recordHandler,
+      AdderResults adderResults,
+      StateRepository stateRepository,
+      KafkaConsumer<String, Message> consumer,
+      ApplicationProperties properties)
   {
-    return (record) ->
-    {
-      // Handle record
-    };
+    return new ApplicationRebalanceListener(
+        recordHandler,
+        adderResults,
+        stateRepository,
+        properties.getClientId());
   }
 
   @Bean
-  public EndlessConsumer<String, Long> endlessConsumer(
-      KafkaConsumer<String, Long> kafkaConsumer,
+  public EndlessConsumer<String, Message> endlessConsumer(
+      KafkaConsumer<String, Message> kafkaConsumer,
       ExecutorService executor,
-      Consumer<ConsumerRecord<String, Long>> handler,
-      PartitionStatisticsRepository repository,
+      ConfigurableApplicationContext applicationContext,
+      ApplicationRebalanceListener rebalanceListener,
+      ApplicationRecordHandler recordHandler,
       ApplicationProperties properties)
   {
     return
         new EndlessConsumer<>(
             executor,
-            repository,
+            applicationContext,
             properties.getClientId(),
             properties.getTopic(),
             kafkaConsumer,
-            handler);
+            rebalanceListener,
+            recordHandler);
   }
 
   @Bean
@@ -52,17 +77,23 @@ public class ApplicationConfiguration
   }
 
   @Bean(destroyMethod = "close")
-  public KafkaConsumer<String, Long> kafkaConsumer(ApplicationProperties properties)
+  public KafkaConsumer<String, Message> kafkaConsumer(ApplicationProperties properties)
   {
     Properties props = new Properties();
 
     props.put("bootstrap.servers", properties.getBootstrapServer());
+    props.put("partition.assignment.strategy", "org.apache.kafka.clients.consumer.StickyAssignor");
     props.put("group.id", properties.getGroupId());
     props.put("client.id", properties.getClientId());
     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", LongDeserializer.class.getName());
+    props.put("value.deserializer", JsonDeserializer.class.getName());
+    props.put(JsonDeserializer.TRUSTED_PACKAGES, "de.juplo.kafka");
+    props.put(JsonDeserializer.TYPE_MAPPINGS,
+      Message.Type.ADD + ":" + MessageAddNumber.class.getName() + "," +
+      Message.Type.CALC + ":" + MessageCalculateSum.class.getName());
 
     return new KafkaConsumer<>(props);
   }