PipelineTest

标签：filter   other   asp   str   lte   stop   lin   The   ext   

package com.bjsxt.spark.others;

import java.util.Arrays;

import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.api.java.function.Function;

public class PipelineTest {
public static void main(String[] args) {
SparkConf conf = new SparkConf();
conf.setMaster("local").setAppName("pipeline");
JavaSparkContext sc = new JavaSparkContext(conf);
JavaRDD<Integer> parallelize = sc.parallelize(Arrays.asList(1,2,3,4));
JavaRDD<Integer> map = parallelize.map(new Function<Integer,Integer>(){
private static final long serialVersionUID = 1L;

@Override
public Integer call(Integer v1) throws Exception {
System.out.println("map-----"+v1);
return v1;
}

});
JavaRDD<Integer> filter = map.filter(new Function<Integer, Boolean>() {

/**
*
*/
private static final long serialVersionUID = 1L;

@Override
public Boolean call(Integer v1) throws Exception {
System.out.println("filter*********"+v1);
return true;
}
});
filter.collect();
while (true) {

}
// sc.stop();
}
}

PipelineTest

标签：filter   other   asp   str   lte   stop   lin   The   ext   

原文地址：https://www.cnblogs.com/huiandong/p/9194616.html