juplo.de Git - demos/kafka/demos-kafka-payment-system-transfer/blob - transfer/src/main/java/de/juplo/kafka/payment/transfer/TransferServiceApplication.java

   1 package de.juplo.kafka.payment.transfer;
   2
   3
   4 import lombok.extern.slf4j.Slf4j;
   5 import org.apache.kafka.clients.producer.KafkaProducer;
   6 import org.apache.kafka.clients.producer.ProducerConfig;
   7 import org.apache.kafka.common.serialization.StringSerializer;
   8 import org.apache.kafka.common.serialization.UUIDSerializer;
   9 import org.springframework.boot.SpringApplication;
  10 import org.springframework.boot.autoconfigure.SpringBootApplication;
  11 import org.springframework.boot.context.properties.EnableConfigurationProperties;
  12 import org.springframework.context.annotation.Bean;
  13
  14 import java.util.Properties;
  15 import java.util.UUID;
  16
  17
  18 @SpringBootApplication
  19 @EnableConfigurationProperties(TransferServiceProperties.class)
  20 @Slf4j
  21 public class TransferServiceApplication
  22 {
  23   @Bean(destroyMethod = "close")
  24   KafkaProducer<UUID, String> producer(TransferServiceProperties properties)
  25   {
  26     Properties props = new Properties();
  27     props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, properties.bootstrapServers);
  28     props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, UUIDSerializer.class);
  29     props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
  30
  31     return new KafkaProducer<>(props);
  32   }
  33
  34   public static void main(String[] args)
  35   {
  36     SpringApplication.run(TransferServiceApplication.class, args);
  37   }
  38 }