X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fwordcount%2Ftop10%2FTop10ApplicationConfiguration.java;h=255f0e4b559d14a16f60d8b4e269fd64d7fa0594;hb=refs%2Fheads%2Ftop10;hp=6f18339e2b31de64fee9ae2db375696668e67be1;hpb=f350c2cafd9f0b290a021443cc7f5818974438e9;p=demos%2Fkafka%2Fwordcount diff --git a/src/main/java/de/juplo/kafka/wordcount/top10/Top10ApplicationConfiguration.java b/src/main/java/de/juplo/kafka/wordcount/top10/Top10ApplicationConfiguration.java index 6f18339..aecd260 100644 --- a/src/main/java/de/juplo/kafka/wordcount/top10/Top10ApplicationConfiguration.java +++ b/src/main/java/de/juplo/kafka/wordcount/top10/Top10ApplicationConfiguration.java @@ -3,6 +3,8 @@ package de.juplo.kafka.wordcount.top10; import lombok.extern.slf4j.Slf4j; 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.springframework.boot.SpringApplication; import org.springframework.boot.context.properties.EnableConfigurationProperties; import org.springframework.context.ConfigurableApplicationContext; @@ -10,11 +12,11 @@ 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; +import static de.juplo.kafka.wordcount.top10.Top10StreamProcessor.STORE_NAME; import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_CLIENT; @@ -28,23 +30,35 @@ public class Top10ApplicationConfiguration { Properties props = new Properties(); + props.putAll(serializationConfig()); + props.put(StreamsConfig.APPLICATION_ID_CONFIG, properties.getApplicationId()); props.put(StreamsConfig.BOOTSTRAP_SERVERS_CONFIG, properties.getBootstrapServer()); + + if (properties.getCommitInterval() != null) + props.put(StreamsConfig.COMMIT_INTERVAL_MS_CONFIG, properties.getCommitInterval()); + if (properties.getCacheMaxBytes() != null) + props.put(StreamsConfig.STATESTORE_CACHE_MAX_BYTES_CONFIG, properties.getCacheMaxBytes()); + + props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest"); + + return props; + } + + static Properties serializationConfig() + { + Properties props = new Properties(); + props.put(StreamsConfig.DEFAULT_KEY_SERDE_CLASS_CONFIG, JsonSerde.class.getName()); props.put(StreamsConfig.DEFAULT_VALUE_SERDE_CLASS_CONFIG, JsonSerde.class.getName()); - props.put(JsonDeserializer.TRUSTED_PACKAGES, Top10Application.class.getPackageName()); - props.put(JsonDeserializer.KEY_DEFAULT_TYPE, User.class.getName()); + props.put(JsonDeserializer.KEY_DEFAULT_TYPE, Stats.class.getName()); props.put(JsonDeserializer.VALUE_DEFAULT_TYPE, Ranking.class.getName()); props.put( JsonDeserializer.TYPE_MAPPINGS, - "word:" + Key.class.getName() + "," + - "counter:" + Entry.class.getName()); - props.put(JsonDeserializer.REMOVE_TYPE_INFO_HEADERS, Boolean.FALSE); - props.put( - JsonSerializer.TYPE_MAPPINGS, - "user:" + User.class.getName() + "," + + "key:" + Key.class.getName() + "," + + "counter:" + Entry.class.getName() + "," + + "stats:" + Stats.class.getName() + "," + "ranking:" + Ranking.class.getName()); - props.put(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "earliest"); return props; } @@ -53,12 +67,14 @@ public class Top10ApplicationConfiguration public Top10StreamProcessor streamProcessor( Top10ApplicationProperties applicationProperties, Properties streamProcessorProperties, + KeyValueBytesStoreSupplier storeSupplier, ConfigurableApplicationContext context) { Top10StreamProcessor streamProcessor = new Top10StreamProcessor( applicationProperties.getInputTopic(), applicationProperties.getOutputTopic(), - streamProcessorProperties); + streamProcessorProperties, + storeSupplier); streamProcessor.streams.setUncaughtExceptionHandler((Throwable e) -> { @@ -73,4 +89,10 @@ public class Top10ApplicationConfiguration return streamProcessor; } + + @Bean + public KeyValueBytesStoreSupplier storeSupplier() + { + return Stores.persistentKeyValueStore(STORE_NAME); + } }