juplo.de Git - demos/kafka/training/blob - src/main/java/de/juplo/kafka/Application.java

   1 package de.juplo.kafka;
   2
   3 import lombok.extern.slf4j.Slf4j;
   4 import org.apache.kafka.clients.consumer.Consumer;
   5 import org.springframework.beans.factory.annotation.Autowired;
   6 import org.springframework.boot.ApplicationArguments;
   7 import org.springframework.boot.ApplicationRunner;
   8 import org.springframework.boot.SpringApplication;
   9 import org.springframework.boot.autoconfigure.SpringBootApplication;
  10 import org.springframework.scheduling.annotation.EnableAsync;
  11
  12 import javax.annotation.PreDestroy;
  13 import java.util.concurrent.ExecutionException;
  14
  15
  16 @SpringBootApplication
  17 @EnableAsync
  18 @Slf4j
  19 public class Application implements ApplicationRunner
  20 {
  21   @Autowired
  22   Consumer<?, ?> consumer;
  23   @Autowired
  24   SimpleConsumer simpleConsumer;
  25
  26   @Override
  27   public void run(ApplicationArguments args) throws Exception
  28   {
  29     log.info("Starting SimpleConsumer");
  30     simpleConsumer.run();
  31   }
  32
  33   @PreDestroy
  34   public void stop() throws ExecutionException, InterruptedException
  35   {
  36     log.info("Signaling SimpleConsumer to quit its work");
  37     consumer.wakeup();
  38   }
  39
  40
  41   public static void main(String[] args)
  42   {
  43     SpringApplication.run(Application.class, args);
  44   }
  45 }