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Copy pathJoin.java
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85 lines (67 loc) · 2.46 KB
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package com;
import java.io.Serializable;
import java.util.Arrays;
import java.util.List;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaPairRDD;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import scala.Tuple2;
public class Join{
public static void main(String args[]){
SparkConf sConf = new SparkConf().setAppName("join").setMaster("local");
JavaSparkContext sc = new JavaSparkContext(sConf);
JavaRDD<String> reg = sc.textFile("src/data/reg.tsv");
JavaRDD<String> clk = sc.textFile("src/data/clk.tsv");
JavaPairRDD<String, Register> r1 = reg.map(f1 -> Arrays.asList(f1.split("\t")))
.mapToPair(f2 -> new Tuple2<String, Register>(f2.get(1),new Register(f2.get(0),
f2.get(1),
Integer.parseInt(f2.get(2)),
Float.parseFloat(f2.get(3)),
Float.parseFloat(f2.get(4)))));
JavaPairRDD<String, Click> r2 = clk.map(f3 -> Arrays.asList(f3.split("\t")))
.mapToPair(f4 -> new Tuple2<String, Click>(f4.get(1), new Click(f4.get(0),
f4.get(1),
Integer.parseInt(f4.get(2)))));
List<Tuple2<String, Tuple2<Register, Click>>> r = r1.join(r2).collect();
for (Tuple2<String, Tuple2<Register, Click>> tuple2 : r) {
Register regObj = tuple2._2._1;
Click clkObj = tuple2._2._2;
System.out.println("reg--->"+regObj);
System.out.println("clk--->"+clkObj);
}
JavaRDD<Float> sum = reg.map(f1 -> Arrays.asList(f1.split("\t")))
.map(f2 -> (Float.parseFloat(f2.get(3))+Float.parseFloat(f2.get(4))));
System.out.println(sum.collect());
sc.close();
}
}
@SuppressWarnings("serial")
class Register implements Serializable {
String date, uuid;
Integer cust_Id;
Float lat, lng;
Register(String date, String uuid, Integer cust_Id, Float lat, Float lng){
this.date = date;
this.uuid = uuid;
this.cust_Id = cust_Id;
this.lat = lat;
this.lng = lng;
}
public String toString(){
return this.date+" "+this.uuid+" "+this.cust_Id+" "+this.lat+" "+this.lng;
}
}
@SuppressWarnings("serial")
class Click implements Serializable{
String date,uuid;
Integer landingPage;
Click(String date, String uuid, Integer landingPage){
this.date = date;
this.uuid = uuid;
this.landingPage = landingPage;
}
public String toString(){
return this.date+" "+this.uuid+" "+this.landingPage;
}
}