query: 1.0.6 - Refined `QueryApplicationConfiguration`
[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / query / QueryStreamProcessor.java
index 7e7af21..2d3d4c8 100644 (file)
@@ -2,27 +2,24 @@ package de.juplo.kafka.wordcount.query;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import jakarta.annotation.PostConstruct;
+import jakarta.annotation.PreDestroy;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.ConsumerConfig;
 import org.apache.kafka.common.serialization.Serdes;
-import org.apache.kafka.streams.*;
+import org.apache.kafka.streams.KafkaStreams;
+import org.apache.kafka.streams.KeyQueryMetadata;
+import org.apache.kafka.streams.StoreQueryParameters;
+import org.apache.kafka.streams.StreamsBuilder;
 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.QueryableStoreTypes;
 import org.apache.kafka.streams.state.ReadOnlyKeyValueStore;
-import org.springframework.boot.SpringApplication;
-import org.springframework.context.ConfigurableApplicationContext;
 
-import javax.annotation.PostConstruct;
-import javax.annotation.PreDestroy;
 import java.net.URI;
 import java.util.Optional;
 import java.util.Properties;
-import java.util.concurrent.CompletableFuture;
-
-import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_CLIENT;
 
 
 @Slf4j
@@ -36,13 +33,11 @@ public class QueryStreamProcessor
 
 
        public QueryStreamProcessor(
-                       String applicationId,
+                       Properties props,
                        HostInfo applicationServer,
-                       String bootstrapServer,
                        String usersInputTopic,
                        String rankingInputTopic,
-                       ObjectMapper mapper,
-                       ConfigurableApplicationContext context)
+                       ObjectMapper mapper)
        {
                StreamsBuilder builder = new StreamsBuilder();
 
@@ -70,26 +65,7 @@ public class QueryStreamProcessor
                                })
                                .toTable(Materialized.as(storeName));
 
-               Properties props = new Properties();
-               props.put(StreamsConfig.APPLICATION_ID_CONFIG, applicationId);
-               props.put(StreamsConfig.APPLICATION_SERVER_CONFIG, applicationServer.host() + ":" + applicationServer.port());
-               props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, bootstrapServer);
-               props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
-               props.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, Serdes.String().getClass().getName());
-               props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
-
                streams = new KafkaStreams(builder.build(), props);
-               streams.setUncaughtExceptionHandler((Throwable e) ->
-               {
-                       log.error("Unexpected error!", e);
-                       CompletableFuture.runAsync(() ->
-                       {
-                               log.info("Stopping application...");
-                               SpringApplication.exit(context, () -> 1);
-                       });
-                       return SHUTDOWN_CLIENT;
-               });
-
                hostInfo = applicationServer;
                storeParameters = StoreQueryParameters.fromNameAndType(storeName, QueryableStoreTypes.keyValueStore());;
                this.mapper = mapper;