X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=26fd90a1ecb294f1c458963eb74c59078900473e;hb=fba42079438d69530b78697527da6a73bbc6d6b2;hp=6601e6dec42ced184105af1d6f8388ad7947f7ab;hpb=7cf65b5089d103542849e4ca12b6f6df6ad79aa0;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 6601e6d..26fd90a 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,65 +1,26 @@ 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.kafka.annotation.EnableKafka; +import org.springframework.kafka.annotation.KafkaListener; -import javax.annotation.PreDestroy; -import java.util.List; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.TimeUnit; - - +// tag::supersimple[] @SpringBootApplication +@EnableKafka @Slf4j -public class Application implements ApplicationRunner +public class Application { - @Autowired - EndlessConsumer endlessConsumer; - @Autowired - ExecutorService executor; - - - @Override - public void run(ApplicationArguments args) throws Exception + @KafkaListener(id = "supersimple", topics = "out") + public void recieve(String message) { - log.info("Starting EndlessConsumer"); - endlessConsumer.start(); + log.info("Recieved message: {}", message); } - @PreDestroy - public void stopExecutor() - { - try - { - log.info("Shutting down the ExecutorService."); - executor.shutdown(); - log.info("Waiting 5 seconds for the ExecutorService to terminate..."); - executor.awaitTermination(5, TimeUnit.SECONDS); - } - catch (InterruptedException e) - { - log.error("Exception while waiting for the termination of the ExecutorService: {}", e.toString()); - } - finally - { - if (!executor.isShutdown()) - { - log.warn("Forcing shutdown of ExecutorService!"); - executor - .shutdownNow() - .forEach(runnable -> log.warn("Unfinished task: {}", runnable.getClass().getSimpleName())); - } - log.info("Shutdow of ExecutorService finished"); - } - } - - public static void main(String[] args) { SpringApplication.run(Application.class, args); } } +// end::supersimple[] \ No newline at end of file