popular: 1.0.0 - Word are counted for hopping time-windows

[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / popular / PopularApplicationConfiguriation.java

diff --git a/src/main/java/de/juplo/kafka/wordcount/popular/PopularApplicationConfiguriation.java b/src/main/java/de/juplo/kafka/wordcount/popular/PopularApplicationConfiguriation.java
index 1c02197..bee13e7 100644 (file)
--- a/src/main/java/de/juplo/kafka/wordcount/popular/PopularApplicationConfiguriation.java
+++ b/src/main/java/de/juplo/kafka/wordcount/popular/PopularApplicationConfiguriation.java
@@ -5,6 +5,7 @@ import org.apache.kafka.clients.consumer.ConsumerConfig;
 import org.apache.kafka.streams.StreamsConfig;
 import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 import org.apache.kafka.streams.state.Stores;
+import org.apache.kafka.streams.state.WindowBytesStoreSupplier;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.ConfigurableApplicationContext;
@@ -13,10 +14,13 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.kafka.support.serializer.JsonDeserializer;
 import org.springframework.kafka.support.serializer.JsonSerde;
 
+import java.time.Duration;
+import java.time.ZoneId;
 import java.util.Properties;
 import java.util.concurrent.CompletableFuture;
 
-import static de.juplo.kafka.wordcount.popular.PopularStreamProcessor.STORE_NAME;
+import static de.juplo.kafka.wordcount.popular.PopularStreamProcessor.KEY_VALUE_STORE_NAME;
+import static de.juplo.kafka.wordcount.popular.PopularStreamProcessor.WINDOW_STORE_NAME;
 import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_CLIENT;
 
 
@@ -59,14 +63,18 @@ public class PopularApplicationConfiguriation
        public PopularStreamProcessor streamProcessor(
                        PopularApplicationProperties applicationProperties,
                        Properties streamProcessorProperties,
-                       KeyValueBytesStoreSupplier storeSupplier,
+                       ZoneId zone,
+                       KeyValueBytesStoreSupplier keyValueBytesStoreSupplier,
+                       WindowBytesStoreSupplier windowBytesStoreSupplier,
                        ConfigurableApplicationContext context)
        {
                PopularStreamProcessor streamProcessor = new PopularStreamProcessor(
                                applicationProperties.getInputTopic(),
                                applicationProperties.getOutputTopic(),
                                streamProcessorProperties,
-                               storeSupplier);
+                               zone,
+                               windowBytesStoreSupplier,
+                               keyValueBytesStoreSupplier);
 
                streamProcessor.streams.setUncaughtExceptionHandler((Throwable e) ->
                {
@@ -84,8 +92,24 @@ public class PopularApplicationConfiguriation
        }
 
        @Bean
-       public KeyValueBytesStoreSupplier storeSupplier()
+       public ZoneId defaultZone()
        {
-               return Stores.persistentKeyValueStore(STORE_NAME);
+               return ZoneId.systemDefault();
+       }
+
+       @Bean
+       public WindowBytesStoreSupplier windowBytesStoreSupplier()
+       {
+               return Stores.persistentWindowStore(
+                               KEY_VALUE_STORE_NAME,
+                               Duration.ofSeconds(60),
+                               Duration.ofSeconds(30),
+                               true);
+       }
+
+       @Bean
+       public KeyValueBytesStoreSupplier keyValueBytesStoreSupplier()
+       {
+               return Stores.persistentKeyValueStore(WINDOW_STORE_NAME);
        }
 }