X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=a4d9aeb8ef5580f2c70422101ba93b33dc998289;hb=f095f71a104fcde025a63f87ba75eb5cb3136656;hp=dd4b20a02dd4d8eae5160b49e476817ca80874e7;hpb=ecd5cb8483c199e0d50507a967ddcd31cd8b2aa1;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 dd4b20a..a4d9aeb 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,45 +1,49 @@ package de.juplo.kafka; +import lombok.extern.slf4j.Slf4j; 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 java.util.concurrent.Executors; +import javax.annotation.PreDestroy; @SpringBootApplication -@EnableConfigurationProperties(ApplicationProperties.class) -public class Application +@Slf4j +public class Application implements ApplicationRunner { @Autowired - ApplicationProperties properties; + EndlessConsumer endlessConsumer; - @Bean - public EndlessConsumer consumer() + @Override + public void run(ApplicationArguments args) throws Exception { - 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), - properties.getBootstrapServer(), - properties.getGroupId(), - properties.getClientId(), - properties.getTopic(), - properties.getAutoOffsetReset()); - - consumer.start(); - - return consumer; + log.info("Starting EndlessConsumer"); + endlessConsumer.start(); } + @PreDestroy + public void shutdown() + { + try + { + log.info("Stopping EndlessConsumer"); + endlessConsumer.stop(); + } + catch (IllegalStateException e) + { + log.info("Was already stopped: {}", e.toString()); + } + catch (Exception e) + { + log.error("Unexpected exception while stopping EndlessConsumer: {}", e); + } + } + + public static void main(String[] args) { SpringApplication.run(Application.class, args);