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splitter: 1.2.0 - Introduced `SplitterStreamProcessor.buildTopology(..)`
[demos/kafka/wordcount]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
wordcount
/
splitter
/
SplitterStreamProcessor.java
diff --git
a/src/main/java/de/juplo/kafka/wordcount/splitter/SplitterStreamProcessor.java
b/src/main/java/de/juplo/kafka/wordcount/splitter/SplitterStreamProcessor.java
index
d0070c0
..
fa84665
100644
(file)
--- a/
src/main/java/de/juplo/kafka/wordcount/splitter/SplitterStreamProcessor.java
+++ b/
src/main/java/de/juplo/kafka/wordcount/splitter/SplitterStreamProcessor.java
@@
-3,6
+3,7
@@
package de.juplo.kafka.wordcount.splitter;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.streams.StreamsBuilder;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.streams.StreamsBuilder;
+import org.apache.kafka.streams.Topology;
import org.apache.kafka.streams.kstream.KStream;
import java.util.Arrays;
import org.apache.kafka.streams.kstream.KStream;
import java.util.Arrays;
@@
-22,6
+23,14
@@
public class SplitterStreamProcessor
String inputTopic,
String outputTopic,
Properties properties)
String inputTopic,
String outputTopic,
Properties properties)
+ {
+ Topology topology = buildTopology(inputTopic, outputTopic);
+ streams = new KafkaStreams(topology, properties);
+ }
+
+ static Topology buildTopology(
+ String inputTopic,
+ String outputTopic)
{
StreamsBuilder builder = new StreamsBuilder();
{
StreamsBuilder builder = new StreamsBuilder();
@@
-34,7
+43,10
@@
public class SplitterStreamProcessor
.toList())
.to(outputTopic);
.toList())
.to(outputTopic);
- streams = new KafkaStreams(builder.build(), properties);
+ Topology topology = builder.build();
+ log.info("\n\n{}", topology.describe());
+
+ return topology;
}
public void start()
}
public void start()