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| const DISCOUNT_TYPES = { | |
| BUY_2_GET_3: "BUY_2_GET_3", | |
| BULK: "BULK", | |
| } | |
| const ITEM_LIST = { | |
| APPLE_TV: "atv", | |
| SUPER_IPAD: "ipd" | |
| } |
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| int STREAM_INTERVAL_SEC = 60; | |
| SparkConf sparkConf = new SparkConf().setAppName("CryptoStockAnalysis").setMaster("local[*]"); | |
| JavaStreamingContext streamingContext = new JavaStreamingContext( | |
| sparkConf, | |
| Durations.seconds(STREAM_INTERVAL_SEC) | |
| ); |
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| Set<String> topicSet = new HashSet<String>(Arrays.asList(topics.split(","))); | |
| JavaInputDStream<ConsumerRecord<String,JsonNode>> streams = KafkaUtils.createDirectStream( | |
| streamingContext, | |
| LocationStrategies.PreferConsistent(), | |
| ConsumerStrategies.Subscribe(topicSet, kafkaParams)); |
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| Map<String,Object> kafkaParams = new HashMap<String, Object>(); | |
| kafkaParams.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, brokers); | |
| kafkaParams.put(ConsumerConfig.GROUP_ID_CONFIG, groupId); | |
| kafkaParams.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class); | |
| kafkaParams.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, JsonDeserializer.class); |
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| <dependency> | |
| <groupId>org.apache.spark</groupId> | |
| <artifactId>spark-streaming-kafka-0-10_2.11</artifactId> | |
| <version>2.2.0</version> | |
| </dependency> | |
| <!-- https://mvnrepository.com/artifact/org.apache.spark/spark-streaming --> | |
| <dependency> | |
| <groupId>org.apache.spark</groupId> | |
| <artifactId>spark-streaming_2.11</artifactId> | |
| <version>2.2.0</version> |
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| <dependency> | |
| <groupId>org.apache.spark</groupId> | |
| <artifactId>spark-streaming-kafka-0-10_2.11</artifactId> | |
| <version>2.2.0</version> | |
| </dependency> | |
| <!-- https://mvnrepository.com/artifact/org.apache.spark/spark-streaming --> | |
| <dependency> | |
| <groupId>org.apache.spark</groupId> | |
| <artifactId>spark-streaming_2.11</artifactId> | |
| <version>2.2.0</version> |