import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.clients.consumer.ConsumerConfig;
-import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.StreamsConfig;
import org.apache.kafka.streams.state.KeyValueBytesStoreSupplier;
import org.apache.kafka.streams.state.Stores;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
+import org.springframework.kafka.support.serializer.JsonDeserializer;
+import org.springframework.kafka.support.serializer.JsonSerde;
+import org.springframework.kafka.support.serializer.JsonSerializer;
import java.util.Properties;
import java.util.concurrent.CompletableFuture;
propertyMap.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId());
propertyMap.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
- propertyMap.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, Serdes.StringSerde.class.getName());
- propertyMap.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, Serdes.StringSerde.class.getName());
+ propertyMap.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+ propertyMap.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName());
+ propertyMap.put(JsonDeserializer.TRUSTED_PACKAGES, Word.class.getPackageName());
+ propertyMap.put(JsonDeserializer.KEY_DEFAULT_TYPE, Word.class.getName());
+ propertyMap.put(JsonDeserializer.VALUE_DEFAULT_TYPE, Word.class.getName());
+ propertyMap.put(
+ JsonDeserializer.TYPE_MAPPINGS,
+ "W:" + Word.class.getName() + "," +
+ "C:" + WordCount.class.getName());
propertyMap.put(StreamsConfig.STATE_DIR_CONFIG, "target");
if (properties.getCommitInterval() != null)
propertyMap.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, properties.getCommitInterval());