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 com.fasterxml.jackson.databind.ObjectMapper;
   5 import de.juplo.kafka.payment.transfer.domain.TransferRepository;
   6 import de.juplo.kafka.payment.transfer.domain.TransferService;
   7 import lombok.extern.slf4j.Slf4j;
   8 import org.apache.kafka.clients.producer.KafkaProducer;
   9 import org.apache.kafka.clients.producer.ProducerConfig;
  10 import org.apache.kafka.common.serialization.StringSerializer;
  11 import org.apache.kafka.common.serialization.UUIDSerializer;
  12 import org.springframework.boot.SpringApplication;
  13 import org.springframework.boot.autoconfigure.SpringBootApplication;
  14 import org.springframework.boot.context.properties.EnableConfigurationProperties;
  15 import org.springframework.context.annotation.Bean;
  16
  17 import java.util.Properties;
  18 import java.util.UUID;
  19
  20
  21 @SpringBootApplication
  22 @EnableConfigurationProperties(TransferServiceProperties.class)
  23 @Slf4j
  24 public class TransferServiceApplication
  25 {
  26   @Bean(destroyMethod = "close")
  27   KafkaProducer<UUID, String> producer(TransferServiceProperties properties)
  28   {
  29     Properties props = new Properties();
  30     props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, properties.bootstrapServers);
  31     props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, UUIDSerializer.class);
  32     props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
  33
  34     return new KafkaProducer<>(props);
  35   }
  36
  37   @Bean
  38   TransferService transferService(
  39       TransferRepository repository,
  40       KafkaProducer<UUID, String> producer,
  41       ObjectMapper mapper,
  42       TransferServiceProperties properties)
  43   {
  44     return new TransferService(repository, producer, mapper, properties.topic);
  45   }
  46
  47
  48   public static void main(String[] args)
  49   {
  50     SpringApplication.run(TransferServiceApplication.class, args);
  51   }
  52 }