X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Fcounter%2FCounterStreamProcessor.java;h=2304e558c242359f9303d6c2fdbfe33b4b419120;hb=refs%2Fheads%2Fcounter;hp=c983a25020303959c5378747cfe582a276a970aa;hpb=bdd62b6b906db3b10ae04d2b4c80e6426a90ad7f;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 c983a25..455d895 100644 --- a/src/main/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessor.java +++ b/src/main/java/de/juplo/kafka/wordcount/counter/CounterStreamProcessor.java @@ -19,6 +19,7 @@ import java.util.stream.Collectors; @Slf4j public class CounterStreamProcessor { + public static final String TYPE = "COUNTER"; public static final String STORE_NAME = "counter"; @@ -48,6 +49,7 @@ public class CounterStreamProcessor builder .stream(inputTopic, Consumed.with(inKeySerde(), inValueSerde())) + .mapValues(word -> Word.of(word.getUser(), word.getWord())) .map((key, word) -> new KeyValue<>(word, word)) .groupByKey() .count( @@ -88,9 +90,9 @@ public class CounterStreamProcessor return new JsonSerde<>(User.class); } - public static JsonSerde inValueSerde() + public static JsonSerde inValueSerde() { - return new JsonSerde<>(Word.class); + return new JsonSerde<>(UserWord.class); } public static JsonSerde outKeySerde() @@ -114,17 +116,17 @@ public class CounterStreamProcessor private static String typeMappingsConfig() { - return typeMappings() - .entrySet() - .stream() - .map(entry -> entry.getKey() + ":" + entry.getValue().getName()) - .collect(Collectors.joining(",")); + return typeMappingsConfig(Word.class, WordCounter.class); } - private static Map typeMappings() + public static String typeMappingsConfig(Class keyClass, Class counterClass) { return Map.of( - "word", Word.class, - "counter", WordCounter.class); + "key", keyClass, + "counter", counterClass) + .entrySet() + .stream() + .map(entry -> entry.getKey() + ":" + entry.getValue().getName()) + .collect(Collectors.joining(",")); } }