Scala JavaDStream类代码示例

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本文整理汇总了Scala中org.apache.spark.streaming.api.java.JavaDStream类的典型用法代码示例。如果您正苦于以下问题：Scala JavaDStream类的具体用法？Scala JavaDStream怎么用？Scala JavaDStream使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了JavaDStream类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Scala代码示例。

示例1: SparkInflux

//设置package包名称以及导入依赖的类
package com.pygmalios.reactiveinflux.spark.jawa

import com.pygmalios.reactiveinflux.ReactiveInfluxDbName
import com.pygmalios.reactiveinflux.jawa.{Conversions, PointNoTime}
import com.pygmalios.reactiveinflux.spark._
import org.apache.spark.api.java.JavaRDD
import org.apache.spark.streaming.api.java.JavaDStream

import scala.concurrent.duration._

class SparkInflux(val dbName: String,
                  val awaitAtMostMillis: Long) {
  private implicit val reactiveInfluxDbName = ReactiveInfluxDbName(dbName)
  private implicit val awaitAtMost = awaitAtMostMillis.millis

  def saveToInflux[T <: PointNoTime](javaRdd: JavaRDD[T]): Unit = {
    javaRdd.rdd.map(Conversions.toScala).saveToInflux()
  }

  def saveToInflux[T <: PointNoTime](javaDStream: JavaDStream[T]): Unit = {
    javaDStream.dstream.map(Conversions.toScala).saveToInflux()
  }
}

开发者ID:pygmalios，项目名称:reactiveinflux-spark，代码行数:24，代码来源:SparkInflux.scala

示例2: KafkaSourcePythonHelper

//设置package包名称以及导入依赖的类
package com.ippontech.kafka

import com.ippontech.kafka.stores.{OffsetsStore, ZooKeeperOffsetsStore}
import kafka.serializer.StringDecoder
import org.apache.spark.streaming.api.java.{JavaDStream, JavaStreamingContext}

object KafkaSourcePythonHelper {

  def kafkaStream(jssc: JavaStreamingContext, brokers: String, offsetsStore: OffsetsStore,
                  topic: String): JavaDStream[(String, String)] = {
    val dstream = KafkaSource.kafkaStream[String, String, StringDecoder, StringDecoder](jssc.ssc, brokers, offsetsStore, topic)
    val jdstream = new JavaDStream(dstream)
    jdstream
  }

  def kafkaStream(jssc: JavaStreamingContext, brokers: String, zkHosts: String, zkPath: String,
                  topic: String): JavaDStream[(String, String)] = {
    val offsetsStore = new ZooKeeperOffsetsStore(zkHosts, zkPath)
    val dstream = KafkaSource.kafkaStream[String, String, StringDecoder, StringDecoder](jssc.ssc, brokers, offsetsStore, topic)
    val jdstream = new JavaDStream(dstream)
    jdstream
  }

}

开发者ID:ippontech，项目名称:spark-kafka-source，代码行数:25，代码来源:KafkaSourcePythonHelper.scala

注：本文中的org.apache.spark.streaming.api.java.JavaDStream类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。