1 package de.juplo.kafka.payment.transfer;
4 import com.fasterxml.jackson.databind.ObjectMapper;
5 import de.juplo.kafka.payment.transfer.adapter.KafkaMessagingService;
6 import de.juplo.kafka.payment.transfer.domain.TransferService;
7 import de.juplo.kafka.payment.transfer.ports.MessagingService;
8 import de.juplo.kafka.payment.transfer.ports.TransferRepository;
9 import lombok.extern.slf4j.Slf4j;
10 import org.apache.kafka.clients.producer.KafkaProducer;
11 import org.apache.kafka.clients.producer.ProducerConfig;
12 import org.apache.kafka.common.serialization.StringSerializer;
13 import org.springframework.boot.SpringApplication;
14 import org.springframework.boot.autoconfigure.SpringBootApplication;
15 import org.springframework.boot.context.properties.EnableConfigurationProperties;
16 import org.springframework.context.annotation.Bean;
18 import java.util.Properties;
21 @SpringBootApplication
22 @EnableConfigurationProperties(TransferServiceProperties.class)
24 public class TransferServiceApplication
26 @Bean(destroyMethod = "close")
27 KafkaProducer<String, String> producer(TransferServiceProperties properties)
29 Properties props = new Properties();
30 props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, properties.bootstrapServers);
31 props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
32 props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);
34 return new KafkaProducer<>(props);
38 MessagingService kafkaMessagingService(
39 KafkaProducer<String, String> producer,
41 TransferServiceProperties properties)
43 return new KafkaMessagingService(producer, mapper, properties.topic);
47 TransferService transferService(
48 TransferRepository repository,
49 MessagingService messagingService)
51 return new TransferService(repository, messagingService);
55 public static void main(String[] args)
57 SpringApplication.run(TransferServiceApplication.class, args);