X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fquery%2FQueryStreamProcessor.java;h=5543a9103e1b6f102fbbf2b2c813a21c48cabe56;hb=d835b70fc4d49a50f42da9c21b3de1dbcd18cbaf;hp=bf27e2d4a678e0d9cbd5f9d64768069ff872b07f;hpb=700f80444d14b201f7b696fb5b7bcab0d767f007;p=demos%2Fkafka%2Fwordcount

diff --git a/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java b/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java
index bf27e2d..5543a91 100644
--- a/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java
@@ -5,10 +5,7 @@ import jakarta.annotation.PreDestroy;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.common.serialization.Serdes;
 import org.apache.kafka.streams.*;
-import org.apache.kafka.streams.kstream.Consumed;
-import org.apache.kafka.streams.kstream.KStream;
-import org.apache.kafka.streams.kstream.KTable;
-import org.apache.kafka.streams.kstream.Materialized;
+import org.apache.kafka.streams.kstream.*;
 import org.apache.kafka.streams.state.HostInfo;
 import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 import org.apache.kafka.streams.state.QueryableStoreTypes;
@@ -23,6 +20,7 @@ import java.util.Properties;
 @Slf4j
 public class QueryStreamProcessor
 {
+	public static final String STATS_TYPE = "COUNTER";
 	public static final String USER_STORE_NAME = "users";
 	public static final String RANKING_STORE_NAME = "rankings";
 
@@ -68,13 +66,15 @@ public class QueryStreamProcessor
 								.withValueSerde(new JsonSerde().copyWithType(User.class)));
 		KStream<String, Ranking> rankings = builder
 				.<Key, Ranking>stream(rankingInputTopic)
-				.map((key, value) -> new KeyValue<>(key.getUsername(), value));
+				.filter((key, value) -> STATS_TYPE.equals(key.getType()))
+				.map((key, value) -> new KeyValue<>(key.getChannel(), value));
 
 		rankings
 				.join(users, (ranking, user) -> UserRanking.of(
 						user.getFirstName(),
 						user.getLastName(),
-						ranking.getEntries()))
+						ranking.getEntries()),
+						Joined.keySerde(Serdes.String()))
 				.toTable(
 						Materialized
 								.<String, UserRanking>as(rankingStoreSupplier)