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

   1 package de.juplo.kafka;
   2
   3 import org.springframework.beans.factory.annotation.Autowired;
   4 import org.springframework.boot.SpringApplication;
   5 import org.springframework.boot.autoconfigure.SpringBootApplication;
   6 import org.springframework.boot.context.properties.EnableConfigurationProperties;
   7 import org.springframework.context.annotation.Bean;
   8 import org.springframework.util.Assert;
   9
  10 import java.util.concurrent.Executors;
  11
  12
  13 @SpringBootApplication
  14 @EnableConfigurationProperties(ApplicationProperties.class)
  15 public class Application
  16 {
  17   @Autowired
  18   ApplicationProperties properties;
  19
  20
  21   @Bean
  22   public EndlessConsumer consumer()
  23   {
  24     Assert.hasText(properties.getBootstrapServer(), "consumer.bootstrap-server must be set");
  25     Assert.hasText(properties.getGroupId(), "consumer.group-id must be set");
  26     Assert.hasText(properties.getClientId(), "consumer.client-id must be set");
  27     Assert.hasText(properties.getTopic(), "consumer.topic must be set");
  28
  29     EndlessConsumer consumer =
  30         new EndlessConsumer(
  31             Executors.newFixedThreadPool(1),
  32             properties.getBootstrapServer(),
  33             properties.getGroupId(),
  34             properties.getClientId(),
  35             properties.getTopic(),
  36             properties.getAutoOffsetReset());
  37
  38     consumer.start();
  39
  40     return consumer;
  41   }
  42
  43   public static void main(String[] args)
  44   {
  45     SpringApplication.run(Application.class, args);
  46   }
  47 }