juplo.de Git - demos/kafka/chat/blob - src/main/java/de/juplo/kafka/chat/backend/implementation/kafka/KafkaServicesApplicationRunner.java

   1 package de.juplo.kafka.chat.backend.implementation.kafka;
   2
   3 import jakarta.annotation.PreDestroy;
   4 import lombok.RequiredArgsConstructor;
   5 import lombok.extern.slf4j.Slf4j;
   6 import org.apache.kafka.clients.consumer.Consumer;
   7 import org.springframework.boot.ApplicationArguments;
   8 import org.springframework.boot.ApplicationRunner;
   9 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  10 import org.springframework.stereotype.Component;
  11
  12
  13 @ConditionalOnProperty(
  14     prefix = "chat.backend",
  15     name = "services",
  16     havingValue = "kafka")
  17 @Component
  18 @RequiredArgsConstructor
  19 @Slf4j
  20 public class KafkaServicesApplicationRunner implements ApplicationRunner
  21 {
  22   private final ChannelTaskRunner channelTaskRunner;
  23   private final Consumer dataChannelConsumer;
  24   private final Consumer infoChannelConsumer;
  25
  26
  27   @Override
  28   public void run(ApplicationArguments args)
  29   {
  30     log.info("Executing channel-tasks");
  31     channelTaskRunner.executeChannels();
  32   }
  33
  34   @PreDestroy
  35   public void joinChannels() throws InterruptedException
  36   {
  37     log.info("Closing consumers");
  38     dataChannelConsumer.close();
  39     infoChannelConsumer.close();
  40     log.info("Joining channel-tasks");
  41     channelTaskRunner.joinChannels();
  42   }
  43 }