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.producer.KafkaProducer;
   4 import org.apache.kafka.common.serialization.IntegerSerializer;
   5 import org.apache.kafka.common.serialization.StringSerializer;
   6 import org.springframework.boot.context.properties.EnableConfigurationProperties;
   7 import org.springframework.context.annotation.Bean;
   8 import org.springframework.context.annotation.Configuration;
   9
  10 import java.util.Properties;
  11
  12
  13 @Configuration
  14 @EnableConfigurationProperties(ApplicationProperties.class)
  15 public class ApplicationConfiguration
  16 {
  17   @Bean
  18   public RestProducer restProducer(
  19       ApplicationProperties properties,
  20       KafkaProducer<String, Object> kafkaProducer)
  21   {
  22     return
  23         new RestProducer(
  24             properties.getClientId(),
  25             properties.getTopic(),
  26             properties.getPartition(),
  27             kafkaProducer);
  28   }
  29
  30   @Bean(destroyMethod = "close")
  31   public KafkaProducer<String, Object> kafkaProducer(ApplicationProperties properties)
  32   {
  33     Properties props = new Properties();
  34     props.put("bootstrap.servers", properties.getBootstrapServer());
  35     props.put("client.id", properties.getClientId());
  36     props.put("acks", properties.getAcks());
  37     props.put("batch.size", properties.getBatchSize());
  38     props.put("delivery.timeout.ms", 20000); // 20 Sekunden
  39     props.put("request.timeout.ms",  10000); // 10 Sekunden
  40     props.put("linger.ms", properties.getLingerMs());
  41     props.put("compression.type", properties.getCompressionType());
  42     props.put("key.serializer", StringSerializer.class.getName());
  43     props.put("value.serializer", IntegerSerializer.class.getName());
  44
  45     return new KafkaProducer<>(props);
  46   }
  47 }