X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=718676b95e10c3590aeb7f185e0ee30da7bbcf21;hb=1e858c1835d47259583cf3cce18921c550682e2b;hp=de4b66d74cdbe0393dddee826fb05201032c1ff1;hpb=f9c0ba7779552d8fcfc9cb29c8b689e20c314904;p=demos%2Fkafka%2Ftraining diff --git a/src/main/java/de/juplo/kafka/Application.java b/src/main/java/de/juplo/kafka/Application.java index de4b66d..718676b 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,39 +1,54 @@ package de.juplo.kafka; +import lombok.extern.slf4j.Slf4j; +import org.apache.kafka.clients.consumer.Consumer; import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.ApplicationArguments; +import org.springframework.boot.ApplicationRunner; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; -import org.springframework.boot.context.properties.EnableConfigurationProperties; -import org.springframework.context.annotation.Bean; +import org.springframework.scheduling.annotation.EnableAsync; -import java.util.concurrent.Executors; +import javax.annotation.PreDestroy; +import java.util.concurrent.ExecutionException; @SpringBootApplication -@EnableConfigurationProperties(ApplicationProperties.class) -public class Application +@EnableAsync +@Slf4j +public class Application implements ApplicationRunner { @Autowired - ApplicationProperties properties; + Consumer kafkaConsumer; + @Autowired + SimpleConsumer simpleConsumer; + @Override + public void run(ApplicationArguments args) throws Exception + { + log.info("Starting SimpleConsumer"); + simpleConsumer.run(); + } - @Bean - public EndlessConsumer consumer() + @PreDestroy + public void stop() throws ExecutionException, InterruptedException { - EndlessConsumer consumer = - new EndlessConsumer( - Executors.newFixedThreadPool(1), - properties.getBootstrapServer(), - properties.getGroupId(), - properties.getClientId(), - properties.getTopic(), - properties.getAutoOffsetReset()); - - consumer.start(); - - return consumer; + log.info("Signaling SimpleConsumer to quit its work"); + kafkaConsumer.wakeup(); + + while (simpleConsumer.isRunning()) + { + log.info("Waiting for SimpleConsumer to finish its work"); + try + { + Thread.sleep(1000); + } + catch (InterruptedException e) {} + } + log.info("SimpleConsumer finished its work"); } + public static void main(String[] args) { SpringApplication.run(Application.class, args);