package de.juplo.kafka.wordcount.splitter;
-import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.ConsumerConfig;
-import org.apache.kafka.common.serialization.Serdes;
-import org.apache.kafka.streams.StreamsConfig;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.boot.context.properties.EnableConfigurationProperties;
-import org.springframework.context.ConfigurableApplicationContext;
-import org.springframework.context.annotation.Bean;
-import org.springframework.kafka.support.serializer.JsonDeserializer;
-import org.springframework.kafka.support.serializer.JsonSerde;
-import org.springframework.kafka.support.serializer.JsonSerializer;
-
-import java.util.Properties;
-import java.util.concurrent.CompletableFuture;
-
-import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_CLIENT;
@SpringBootApplication
-@EnableConfigurationProperties(SplitterApplicationProperties.class)
-@Slf4j
public class SplitterApplication
{
- @Bean(initMethod = "start", destroyMethod = "stop")
- public SplitterStreamProcessor streamProcessor(
- SplitterApplicationProperties properties,
- ConfigurableApplicationContext context)
- {
- Properties propertyMap = new Properties();
-
- propertyMap.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId());
- propertyMap.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
- propertyMap.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.StringSerde.class.getName());
- propertyMap.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
- propertyMap.put(JsonDeserializer.TRUSTED_PACKAGES, Recording.class.getName() );
- propertyMap.put(JsonDeserializer.VALUE_DEFAULT_TYPE, Recording.class.getName());
- propertyMap.put(JsonSerializer.ADD_TYPE_INFO_HEADERS, false);
- propertyMap.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
-
- SplitterStreamProcessor streamProcessor = new SplitterStreamProcessor(
- properties.getInputTopic(),
- properties.getOutputTopic(),
- propertyMap);
-
- streamProcessor.streams.setUncaughtExceptionHandler((Throwable e) ->
- {
- log.error("Unexpected error!", e);
- CompletableFuture.runAsync(() ->
- {
- log.info("Stopping application...");
- SpringApplication.exit(context, () -> 1);
- });
- return SHUTDOWN_CLIENT;
- });
-
-
- return streamProcessor;
- }
-
public static void main(String[] args)
{
SpringApplication.run(SplitterApplication.class, args);
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.StreamsConfig;
import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
import org.springframework.kafka.support.serializer.JsonDeserializer;
import org.springframework.kafka.support.serializer.JsonSerde;
import org.springframework.kafka.support.serializer.JsonSerializer;
import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_CLIENT;
-@SpringBootApplication
+@Configuration
@EnableConfigurationProperties(SplitterApplicationProperties.class)
@Slf4j
public class SplitterApplicationConfiguration
propertyMap.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
propertyMap.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.StringSerde.class.getName());
propertyMap.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
- propertyMap.put(JsonDeserializer.TRUSTED_PACKAGES, Recording.class.getName() );
+ propertyMap.put(JsonDeserializer.TRUSTED_PACKAGES, SplitterApplication.class.getName());
propertyMap.put(JsonDeserializer.VALUE_DEFAULT_TYPE, Recording.class.getName());
propertyMap.put(JsonSerializer.ADD_TYPE_INFO_HEADERS, false);
propertyMap.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
propertyMap);
streamProcessor.streams.setUncaughtExceptionHandler((Throwable e) ->
- {
- log.error("Unexpected error!", e);
- CompletableFuture.runAsync(() ->
{
- log.info("Stopping application...");
- SpringApplication.exit(context, () -> 1);
+ log.error("Unexpected error!", e);
+ CompletableFuture.runAsync(() ->
+ {
+ log.info("Stopping application...");
+ SpringApplication.exit(context, () -> 1);
+ });
+ return SHUTDOWN_CLIENT;
});
- return SHUTDOWN_CLIENT;
- });
-
return streamProcessor;
}
-
- public static void main(String[] args)
- {
- SpringApplication.run(SplitterApplicationConfiguration.class, args);
- }
}