package clickstream import java.util.{Properties, Random, UUID} import kafka.producer.{KeyedMessage, Producer, ProducerConfig} import org.codehaus.jettison.json.JSONObject/** * Created by 郭飛 on 2016/5/31. */ object KafkaMessageGenerator {private val random = new Random()private var pointer = -1private val os_type = Array("Android", "IPhone OS","None", "Windows Phone")def click() : Double = {random.nextInt(10)}def getOsType() : String = {pointer = pointer + 1if(pointer >= os_type.length) {pointer = 0os_type(pointer)} else {os_type(pointer)}}def main(args: Array[String]): Unit = {val topic = "user_events"//本地虛擬機ZK地址val brokers = "hadoop1:9092,hadoop2:9092,hadoop3:9092"val props = new Properties()props.put("metadata.broker.list", brokers)props.put("serializer.class", "kafka.serializer.StringEncoder")val kafkaConfig = new ProducerConfig(props)val producer = new Producer[String, String](kafkaConfig)while(true) {// prepare event dataval event = new JSONObject()event.put("uid", UUID.randomUUID())//隨機生成用戶id.put("event_time", System.currentTimeMillis.toString) //記錄時間發生時間.put("os_type", getOsType) //設備類型.put("click_count", click) //點擊次數// produce event messageproducer.send(new KeyedMessage[String, String](topic, event.toString))println("Message sent: " + event)Thread.sleep(200)}} }作者：MichaelFly 鏈接：http://www.jianshu.com/p/ccba410462ba 來源：簡書 著作權歸作者所有。商業轉載請聯系作者獲得授權，非商業轉載請注明出處。

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轉載于:https://www.cnblogs.com/rocky-AGE-24/p/7404754.html

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