X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=718676b95e10c3590aeb7f185e0ee30da7bbcf21;hb=1e858c1835d47259583cf3cce18921c550682e2b;hp=bcbf41848038e4754f0bb729a98d9d3b6ff8592e;hpb=620191782035383e0083dc348e4941c9cec0d994;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 bcbf418..718676b 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,46 +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.util.Assert; +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(PartitionStatisticsRepository repository) + @PreDestroy + public void stop() throws ExecutionException, InterruptedException { - Assert.hasText(properties.getBootstrapServer(), "consumer.bootstrap-server must be set"); - Assert.hasText(properties.getGroupId(), "consumer.group-id must be set"); - Assert.hasText(properties.getClientId(), "consumer.client-id must be set"); - Assert.hasText(properties.getTopic(), "consumer.topic must be set"); - - EndlessConsumer consumer = - new EndlessConsumer( - Executors.newFixedThreadPool(1), - repository, - 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);