X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FCounterStreamProcessor.java;h=b19502dbd5507a69f8a50fc9c2b496d271ffddc0;hb=f8f9b6397ba0096bffa463e09a2db93277a3f9cf;hp=a823e25e0500aeeaffb8dac353caefed99bef06f;hpb=db4b181f863add3e78c01d110c1b4feabd8ecb89;p=demos%2Fkafka%2Fwordcount

diff --git a/src/main/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessor.java b/src/main/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessor.java
index a823e25..b19502d 100644
--- a/src/main/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessor.java
@@ -7,6 +7,8 @@ import org.apache.kafka.streams.KafkaStreams;
 import org.apache.kafka.streams.KeyValue;
 import org.apache.kafka.streams.StreamsBuilder;
 import org.apache.kafka.streams.kstream.KStream;
+import org.apache.kafka.streams.kstream.Materialized;
+import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 
 import java.util.Properties;
 
@@ -21,6 +23,7 @@ public class CounterStreamProcessor
 			String inputTopic,
 			String outputTopic,
 			Properties properties,
+			KeyValueBytesStoreSupplier storeSupplier,
 			ObjectMapper mapper)
 	{
 		StreamsBuilder builder = new StreamsBuilder();
@@ -40,7 +43,7 @@ public class CounterStreamProcessor
 					}
 				})
 				.groupByKey()
-				.count()
+				.count(Materialized.as(storeSupplier))
 				.mapValues(value->Long.toString(value))
 				.toStream()
 				.to(outputTopic);