counter: 1.1.10 - Refactored the configuration inito a separated class

[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / counter / CounterApplication.java

diff --git a/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplication.java b/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplication.java
index 31086ca..e6d3b1f 100644 (file)
--- a/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplication.java
+++ b/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplication.java
@@ -1,84 +1,12 @@
 package de.juplo.kafka.wordcount.counter;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-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.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
-import org.apache.kafka.streams.state.Stores;
 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 java.util.Properties;
-import java.util.concurrent.CompletableFuture;
-
-import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_CLIENT;
 
 
 @SpringBootApplication
-@EnableConfigurationProperties(CounterApplicationProperties.class)
-@Slf4j
 public class CounterApplication
 {
-       @Bean
-       public Properties propertyMap(CounterApplicationProperties properties)
-       {
-               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, Serdes.StringSerde.class.getName());
-               propertyMap.put(StreamsConfig.STATE_DIR_CONFIG, "target");
-               if (properties.getCommitInterval() != null)
-                       propertyMap.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, properties.getCommitInterval());
-               if (properties.getCacheMaxBytes() != null)
-                       propertyMap.put(StreamsConfig.CACHE_MAX_BYTES_BUFFERING_CONFIG, properties.getCacheMaxBytes());
-               propertyMap.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
-
-               return propertyMap;
-       }
-
-       @Bean(initMethod = "start", destroyMethod = "stop")
-       public CounterStreamProcessor streamProcessor(
-                       CounterApplicationProperties properties,
-                       Properties propertyMap,
-                       KeyValueBytesStoreSupplier storeSupplier,
-                       ObjectMapper objectMapper,
-                       ConfigurableApplicationContext context)
-       {
-               CounterStreamProcessor streamProcessor = new CounterStreamProcessor(
-                               properties.getInputTopic(),
-                               properties.getOutputTopic(),
-                               propertyMap,
-                               storeSupplier,
-                               objectMapper);
-
-               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;
-       }
-
-       @Bean
-       public KeyValueBytesStoreSupplier storeSupplier()
-       {
-               return Stores.persistentKeyValueStore("counter");
-       }
-
        public static void main(String[] args)
        {
                SpringApplication.run(CounterApplication.class, args);