counter: 1.2.14 - Set up type-mappings for JSON-Deserialization
[demos/kafka/wordcount] / src / main / java / de / juplo / kafka / wordcount / counter / CounterApplicationConfiguriation.java
index 1bcc834..926045c 100644 (file)
@@ -1,6 +1,5 @@
 package de.juplo.kafka.wordcount.counter;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerConfig;
 import org.apache.kafka.streams.StreamsConfig;
@@ -13,7 +12,6 @@ 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;
@@ -27,26 +25,27 @@ import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.St
 public class CounterApplicationConfiguriation
 {
        @Bean
-       public Properties propertyMap(CounterApplicationProperties properties)
+       public Properties streamProcessorProperties(CounterApplicationProperties counterProperties)
        {
                Properties propertyMap = new Properties();
 
-               propertyMap.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId());
-               propertyMap.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer());
+               propertyMap.put(StreamsConfig.APPLICATION_ID_CONFIG, counterProperties.getApplicationId());
+               propertyMap.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, counterProperties.getBootstrapServer());
                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.TRUSTED_PACKAGES, CounterApplication.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());
+                               "word:" + Word.class.getName() + "," +
+                               "counter:" + WordCounter.class.getName());
+               propertyMap.put(JsonDeserializer.REMOVE_TYPE_INFO_HEADERS, Boolean.FALSE);
                propertyMap.put(StreamsConfig.STATE_DIR_CONFIG, "target");
-               if (properties.getCommitInterval() != null)
-                       propertyMap.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, properties.getCommitInterval());
-               if (properties.getCacheMaxBytes() != null)
-                       propertyMap.put(StreamsConfig.CACHE_MAX_BYTES_BUFFERING_CONFIG, properties.getCacheMaxBytes());
+               if (counterProperties.getCommitInterval() != null)
+                       propertyMap.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, counterProperties.getCommitInterval());
+               if (counterProperties.getCacheMaxBytes() != null)
+                       propertyMap.put(StreamsConfig.CACHE_MAX_BYTES_BUFFERING_CONFIG, counterProperties.getCacheMaxBytes());
                propertyMap.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest");
 
                return propertyMap;
@@ -54,18 +53,16 @@ public class CounterApplicationConfiguriation
 
        @Bean(initMethod = "start", destroyMethod = "stop")
        public CounterStreamProcessor streamProcessor(
-                       CounterApplicationProperties properties,
-                       Properties propertyMap,
+                       CounterApplicationProperties applicationProperties,
+                       Properties streamProcessorProperties,
                        KeyValueBytesStoreSupplier storeSupplier,
-                       ObjectMapper objectMapper,
                        ConfigurableApplicationContext context)
        {
                CounterStreamProcessor streamProcessor = new CounterStreamProcessor(
-                               properties.getInputTopic(),
-                               properties.getOutputTopic(),
-                               propertyMap,
-                               storeSupplier,
-                               objectMapper);
+                               applicationProperties.getInputTopic(),
+                               applicationProperties.getOutputTopic(),
+                               streamProcessorProperties,
+                               storeSupplier);
 
                streamProcessor.streams.setUncaughtExceptionHandler((Throwable e) ->
                {