X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplication.java;h=5226d6bd062bee4003ef4ca00f8f1c37597af3d8;hb=5a2c467b5b299f975f22d6c0e761686067634adc;hp=dd4b20a02dd4d8eae5160b49e476817ca80874e7;hpb=8c734b77dd71f6b35707e8085d59ac5b6c43720d;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..5226d6b 100644 --- a/src/main/java/de/juplo/kafka/Application.java +++ b/src/main/java/de/juplo/kafka/Application.java @@ -1,12 +1,14 @@ package de.juplo.kafka; -import org.springframework.beans.factory.annotation.Autowired; +import org.apache.kafka.clients.consumer.KafkaConsumer; +import org.apache.kafka.common.serialization.LongDeserializer; +import org.apache.kafka.common.serialization.StringDeserializer; 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.Properties; import java.util.concurrent.Executors; @@ -14,32 +16,40 @@ import java.util.concurrent.Executors; @EnableConfigurationProperties(ApplicationProperties.class) public class Application { - @Autowired - ApplicationProperties properties; - - @Bean - public EndlessConsumer consumer() + public EndlessConsumer endlessConsumer( + KafkaConsumer kafkaConsumer, + ApplicationProperties properties) { - 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()); + kafkaConsumer); consumer.start(); return consumer; } + @Bean(destroyMethod = "close") + public KafkaConsumer kafkaConsumer(ApplicationProperties properties) + { + Properties props = new Properties(); + + props.put("bootstrap.servers", properties.getBootstrapServer()); + props.put("group.id", properties.getGroupId()); + props.put("client.id", properties.getClientId()); + props.put("auto.offset.reset", properties.getAutoOffsetReset()); + props.put("metadata.max.age.ms", "1000"); + props.put("key.deserializer", StringDeserializer.class.getName()); + props.put("value.deserializer", LongDeserializer.class.getName()); + + return new KafkaConsumer<>(props); + } + + public static void main(String[] args) { SpringApplication.run(Application.class, args);