X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Ftop10%2FTop10ApplicationConfiguration.java;h=bd5298d948093141489780d4e33144fe85d4ef28;hb=3b7fae76b8abb62a8cae3a4a32c880b29bce0574;hp=000db0121656b20181427bd5f2dc0b3a7b2bd880;hpb=df0c22234e9ace115b4e4abc4e3d881d5595668e;p=demos%2Fkafka%2Fwordcount

diff --git a/src/main/java/de/juplo/kafka/wordcount/top10/Top10ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/wordcount/top10/Top10ApplicationConfiguration.java
index 000db01..bd5298d 100644
--- a/src/main/java/de/juplo/kafka/wordcount/top10/Top10ApplicationConfiguration.java
+++ b/src/main/java/de/juplo/kafka/wordcount/top10/Top10ApplicationConfiguration.java
@@ -3,6 +3,8 @@ package de.juplo.kafka.wordcount.top10;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerConfig;
 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.context.properties.EnableConfigurationProperties;
 import org.springframework.context.ConfigurableApplicationContext;
@@ -10,11 +12,13 @@ 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 java.util.HashMap;
+import java.util.Map;
 import java.util.Properties;
 import java.util.concurrent.CompletableFuture;
 
+import static de.juplo.kafka.wordcount.top10.Top10StreamProcessor.STORE_NAME;
 import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_CLIENT;
 
 
@@ -28,8 +32,24 @@ public class Top10ApplicationConfiguration
 	{
 		Properties props = new Properties();
 
+		props.putAll(serializationConfig());
+
 		props.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId());
 		props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
+		if (properties.getCommitInterval() != null)
+			props.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, properties.getCommitInterval());
+		if (properties.getCacheMaxBytes() != null)
+			props.put(StreamsConfig.STATESTORE_CACHE_MAX_BYTES_CONFIG, properties.getCacheMaxBytes());
+
+		props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
+
+		return props;
+	}
+
+	static Map<String, Object> serializationConfig()
+	{
+		Map<String, Object> props = new HashMap<>();
+
 		props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
 		props.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
 		props.put(JsonDeserializer.TRUSTED_PACKAGES, Top10Application.class.getPackageName());
@@ -41,12 +61,6 @@ public class Top10ApplicationConfiguration
 				"counter:" + Entry.class.getName() + "," +
 				"user:" + User.class.getName() + "," +
 				"ranking:" + Ranking.class.getName());
-		props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
-		if (properties.getCommitInterval() != null)
-			props.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, properties.getCommitInterval());
-		if (properties.getCacheMaxBytes() != null)
-			props.put(StreamsConfig.STATESTORE_CACHE_MAX_BYTES_CONFIG, properties.getCacheMaxBytes());
-		props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
 
 		return props;
 	}
@@ -55,12 +69,14 @@ public class Top10ApplicationConfiguration
 	public Top10StreamProcessor streamProcessor(
 			Top10ApplicationProperties applicationProperties,
 			Properties streamProcessorProperties,
+			KeyValueBytesStoreSupplier storeSupplier,
 			ConfigurableApplicationContext context)
 	{
 		Top10StreamProcessor streamProcessor = new Top10StreamProcessor(
 				applicationProperties.getInputTopic(),
 				applicationProperties.getOutputTopic(),
-				streamProcessorProperties);
+				streamProcessorProperties,
+				storeSupplier);
 
 		streamProcessor.streams.setUncaughtExceptionHandler((Throwable e) ->
 		{
@@ -75,4 +91,10 @@ public class Top10ApplicationConfiguration
 
 		return streamProcessor;
 	}
+
+	@Bean
+	public KeyValueBytesStoreSupplier storeSupplier()
+	{
+		return Stores.persistentKeyValueStore(STORE_NAME);
+	}
 }