query: 1.0.6 - Added `QueryApplicationIT`

[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / query / QueryStreamProcessor.java

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 efa28ca..c4ae4ae 100644 (file)
--- a/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java
+++ b/src/main/java/de/juplo/kafka/wordcount/query/QueryStreamProcessor.java
@@ -11,6 +11,7 @@ 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.state.HostInfo;
+import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
 import org.apache.kafka.streams.state.QueryableStoreTypes;
 import org.apache.kafka.streams.state.ReadOnlyKeyValueStore;
 
@@ -35,9 +36,14 @@ public class QueryStreamProcessor
                        HostInfo applicationServer,
                        String usersInputTopic,
                        String rankingInputTopic,
+                       KeyValueBytesStoreSupplier storeSupplier,
                        ObjectMapper mapper)
        {
-               Topology topology = buildTopology(usersInputTopic, rankingInputTopic, mapper);
+               Topology topology = buildTopology(
+                               usersInputTopic,
+                               rankingInputTopic,
+                               storeSupplier,
+                               mapper);
                streams = new KafkaStreams(topology, props);
                hostInfo = applicationServer;
                storeParameters = StoreQueryParameters.fromNameAndType(STORE_NAME, QueryableStoreTypes.keyValueStore());;
@@ -47,6 +53,7 @@ public class QueryStreamProcessor
        static Topology buildTopology(
                        String usersInputTopic,
                        String rankingInputTopic,
+                       KeyValueBytesStoreSupplier storeSupplier,
                        ObjectMapper mapper)
        {
                StreamsBuilder builder = new StreamsBuilder();
@@ -73,7 +80,7 @@ public class QueryStreamProcessor
                                                throw new RuntimeException(e);
                                        }
                                })
-                               .toTable(Materialized.as(STORE_NAME));
+                               .toTable(Materialized.as(storeSupplier));
 
                Topology topology = builder.build();
                log.info("\n\n{}", topology.describe());
@@ -81,6 +88,11 @@ public class QueryStreamProcessor
                return topology;
        }
 
+       ReadOnlyKeyValueStore<String, String> getStore()
+       {
+               return streams.store(storeParameters);
+       }
+
        public Optional<URI> getRedirect(String username)
        {
                KeyQueryMetadata metadata = streams.queryMetadataForKey(STORE_NAME, username, Serdes.String().serializer());
@@ -101,7 +113,7 @@ public class QueryStreamProcessor
        {
                return
                                Optional
-                                               .ofNullable(streams.store(storeParameters).get(username))
+                                               .ofNullable(getStore().get(username))
                                                .map(json ->
                                                {
                                                        try