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add reactive programing api endpoint
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22 changes: 0 additions & 22 deletions
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...04/video-game-leaderboard-spring/src/main/java/com/magicalpipelines/KStreamProcessor.java
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.../video-game-leaderboard-spring/src/main/java/com/magicalpipelines/api/KafkaComponent.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package com.magicalpipelines.api; | ||
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| import org.apache.kafka.streams.KafkaStreams; | ||
| import org.apache.kafka.streams.StoreQueryParameters; | ||
| import org.apache.kafka.streams.state.QueryableStoreTypes; | ||
| import org.apache.kafka.streams.state.ReadOnlyKeyValueStore; | ||
| import org.springframework.beans.factory.annotation.Autowired; | ||
| import org.springframework.cloud.stream.binder.kafka.streams.InteractiveQueryService; | ||
| import org.springframework.context.ApplicationContext; | ||
| import org.springframework.kafka.config.StreamsBuilderFactoryBean; | ||
| import org.springframework.stereotype.Component; | ||
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| import com.magicalpipelines.HighScores; | ||
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| @Component | ||
| public class KafkaComponent { | ||
| @Autowired | ||
| private InteractiveQueryService interactiveQueryService; | ||
| @Autowired | ||
| private ApplicationContext context; | ||
| protected KafkaStreams getStream() { | ||
| String[] clazzNames = context.getBeanNamesForType( StreamsBuilderFactoryBean.class); | ||
| for(String name:clazzNames) { | ||
| System.out.println(name); | ||
| } | ||
| final StreamsBuilderFactoryBean streamsBuilderFactoryBean = | ||
| context.getBean("&stream-builder-jointProducts", StreamsBuilderFactoryBean.class); | ||
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| KafkaStreams kafkaStreams = streamsBuilderFactoryBean.getKafkaStreams(); | ||
| return kafkaStreams ; | ||
| } | ||
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| protected ReadOnlyKeyValueStore<String, HighScores> getStore() { | ||
| int tmp =(int)(Math.random()*10000); | ||
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| if ( (tmp % 2) == 0) | ||
| return getStoreV1(); | ||
| else | ||
| return getStoreV2(); | ||
| } | ||
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| protected ReadOnlyKeyValueStore<String, HighScores> getStoreV1() { | ||
| return interactiveQueryService.getQueryableStore( | ||
| // state store name | ||
| "leader-boards", | ||
| // state store type | ||
| QueryableStoreTypes.keyValueStore()); | ||
| } | ||
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| protected ReadOnlyKeyValueStore<String, HighScores> getStoreV2() { | ||
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| return getStream().store(StoreQueryParameters.fromNameAndType( | ||
| // state store name | ||
| "leader-boards", | ||
| // state store type | ||
| QueryableStoreTypes.keyValueStore())); | ||
| } | ||
| } |
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