X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FCounterApplicationConfiguriation.java;h=34217dabcb7d8af89483e128cf78fd2f644faac1;hb=3c23bfd42005211ac9812fba698ab74c8a6b7aa0;hp=f1da4078b24ac301072d8182975541cfed1fc21b;hpb=e1ec32bcc70e5f990ca2ddb5566f98cee7e4c2c2;p=demos%2Fkafka%2Fwordcount

diff --git a/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplicationConfiguriation.java b/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplicationConfiguriation.java
index f1da407..34217da 100644
--- a/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplicationConfiguriation.java
+++ b/src/main/java/de/juplo/kafka/wordcount/counter/CounterApplicationConfiguriation.java
@@ -1,9 +1,7 @@
 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;
@@ -12,6 +10,8 @@ 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 java.util.Properties;
 import java.util.concurrent.CompletableFuture;
@@ -25,38 +25,53 @@ import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.St
 public class CounterApplicationConfiguriation
 {
 	@Bean
-	public Properties propertyMap(CounterApplicationProperties properties)
+	public Properties streamProcessorProperties(
+			CounterApplicationProperties counterProperties)
 	{
-		Properties propertyMap = new Properties();
+		Properties propertyMap = serializationConfig();
 
-		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.APPLICATION_ID_CONFIG, counterProperties.getApplicationId());
+		propertyMap.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, counterProperties.getBootstrapServer());
 		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());
+		if (counterProperties.getCommitInterval() != null)
+			propertyMap.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, counterProperties.getCommitInterval());
+		if (counterProperties.getCacheMaxBytes() != null)
+			propertyMap.put(StreamsConfig.CACHE_MAX_BYTES_BUFFERING_CONFIG, counterProperties.getCacheMaxBytes());
 		propertyMap.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
 
 		return propertyMap;
 	}
 
+	static Properties serializationConfig()
+	{
+		Properties propertyMap = new Properties();
+
+		propertyMap.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+		propertyMap.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+		propertyMap.put(JsonDeserializer.TRUSTED_PACKAGES, CounterApplication.class.getPackageName());
+		propertyMap.put(JsonDeserializer.KEY_DEFAULT_TYPE, Word.class.getName());
+		propertyMap.put(JsonDeserializer.VALUE_DEFAULT_TYPE, Word.class.getName());
+		propertyMap.put(
+				JsonDeserializer.TYPE_MAPPINGS,
+				"word:" + Word.class.getName() + "," +
+				"counter:" + WordCounter.class.getName());
+		propertyMap.put(JsonDeserializer.REMOVE_TYPE_INFO_HEADERS, Boolean.FALSE);
+
+		return propertyMap;
+	}
+
 	@Bean(initMethod = "start", destroyMethod = "stop")
 	public CounterStreamProcessor streamProcessor(
-			CounterApplicationProperties properties,
-			Properties propertyMap,
+			CounterApplicationProperties applicationProperties,
+			Properties streamProcessorProperties,
 			KeyValueBytesStoreSupplier storeSupplier,
-			ObjectMapper objectMapper,
 			ConfigurableApplicationContext context)
 	{
 		CounterStreamProcessor streamProcessor = new CounterStreamProcessor(
-				properties.getInputTopic(),
-				properties.getOutputTopic(),
-				propertyMap,
-				storeSupplier,
-				objectMapper);
+				applicationProperties.getInputTopic(),
+				applicationProperties.getOutputTopic(),
+				streamProcessorProperties,
+				storeSupplier);
 
 		streamProcessor.streams.setUncaughtExceptionHandler((Throwable e) ->
 		{