X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Ftop10%2FTop10StreamProcessor.java;h=2ff078c181225a87251a50bdfcd8f5dceb8a355e;hb=b69e1270a308f200b2640a01d37d4636a0a549e1;hp=a3900bf9f738b7029f6f696f3c1f7e827ffd2922;hpb=7e0f4ca6927d9b62909b0789b4b14a46f8dbd0f5;p=demos%2Fkafka%2Fwordcount

diff --git a/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java b/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
index a3900bf..2ff078c 100644
--- a/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/top10/Top10StreamProcessor.java
@@ -5,6 +5,8 @@ import org.apache.kafka.streams.KafkaStreams;
 import org.apache.kafka.streams.KeyValue;
 import org.apache.kafka.streams.StreamsBuilder;
 import org.apache.kafka.streams.Topology;
+import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
+import org.apache.kafka.streams.state.ReadOnlyKeyValueStore;
 
 import java.util.Properties;
 
@@ -22,20 +24,22 @@ public class Top10StreamProcessor
 	{
 		Topology topology = Top10StreamProcessor.buildTopology(
 				inputTopic,
-				outputTopic);
+				outputTopic,
+				null);
 
 		streams = new KafkaStreams(topology, props);
 	}
 
 	static Topology buildTopology(
 			String inputTopic,
-			String outputTopic)
+			String outputTopic,
+			KeyValueBytesStoreSupplier storeSupplier)
 	{
 		StreamsBuilder builder = new StreamsBuilder();
 
 		builder
 				.<Key, Entry>stream(inputTopic)
-				.map((key, entry) -> new KeyValue<>(key.getUser(), entry))
+				.map((key, entry) -> new KeyValue<>(User.of(key.getUser()), entry))
 				.groupByKey()
 				.aggregate(
 						() -> new Ranking(),
@@ -49,6 +53,11 @@ public class Top10StreamProcessor
 		return topology;
 	}
 
+	ReadOnlyKeyValueStore<User, Ranking> getStore(String name)
+	{
+		return null;
+	}
+
 	public void start()
 	{
 		log.info("Starting Stream-Processor");