Package org.apache.sysds.runtime.instructions.spark.utils

Class FrameRDDAggregateUtils

java.lang.Object

org.apache.sysds.runtime.instructions.spark.utils.FrameRDDAggregateUtils

public class FrameRDDAggregateUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
FrameRDDAggregateUtils()

Method Summary

Modifier and Type	Method	Description
static scala.Tuple2<Boolean,Integer>	checkRowAlignment(org.apache.spark.api.java.JavaPairRDD<Long,FrameBlock> in, int blen)
static org.apache.spark.api.java.JavaPairRDD<Long,FrameBlock>	mergeByKey(org.apache.spark.api.java.JavaPairRDD<Long,FrameBlock> in)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FrameRDDAggregateUtils

public FrameRDDAggregateUtils()

Method Detail

checkRowAlignment

public static scala.Tuple2<Boolean,Integer> checkRowAlignment(org.apache.spark.api.java.JavaPairRDD<Long,FrameBlock> in,
                                                                    int blen)

mergeByKey

public static org.apache.spark.api.java.JavaPairRDD<Long,FrameBlock> mergeByKey(org.apache.spark.api.java.JavaPairRDD<Long,FrameBlock> in)