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