juplo.de Git - demos/kafka/training/blob - src/main/java/de/juplo/kafka/ApplicationConfiguration.java

   1 package de.juplo.kafka;
   2
   3 import org.apache.kafka.clients.consumer.ConsumerRecord;
   4 import org.springframework.boot.context.properties.EnableConfigurationProperties;
   5 import org.springframework.context.annotation.Bean;
   6 import org.springframework.context.annotation.Configuration;
   7 import org.springframework.kafka.config.ConcurrentKafkaListenerContainerFactory;
   8 import org.springframework.kafka.config.KafkaListenerContainerFactory;
   9 import org.springframework.kafka.core.ConsumerFactory;
  10 import org.springframework.kafka.listener.CommonContainerStoppingErrorHandler;
  11
  12 import java.util.function.Consumer;
  13
  14
  15 @Configuration
  16 @EnableConfigurationProperties(ApplicationProperties.class)
  17 public class ApplicationConfiguration
  18 {
  19   @Bean
  20   public Consumer<ConsumerRecord<String, Long>> consumer()
  21   {
  22     return (record) ->
  23     {
  24       // Handle record
  25     };
  26   }
  27
  28   @Bean
  29   public KafkaListenerContainerFactory<?> batchFactory(ConsumerFactory<String, Long> consumerFactory)
  30   {
  31     ConcurrentKafkaListenerContainerFactory<String, Long> factory =
  32         new ConcurrentKafkaListenerContainerFactory<>();
  33
  34     factory.setConsumerFactory(consumerFactory);
  35     factory.setBatchListener(true);
  36
  37     return factory;
  38   }
  39
  40   @Bean
  41   public CommonContainerStoppingErrorHandler errorHandler()
  42   {
  43     return new CommonContainerStoppingErrorHandler();
  44   }
  45 }