de.unknownreality.dataframe.join.impl

Class DirectionJoinUtil

java.lang.Object

de.unknownreality.dataframe.join.impl.DirectionJoinUtil

public class DirectionJoinUtil
extends Object

Created by Alex on 10.07.2016.

Constructor Summary

Constructors

Constructor and Description
DirectionJoinUtil()

Method Summary

Modifier and Type	Method and Description
static JoinedDataFrame	createDirectionJoin(DataFrame dfA, DataFrame dfB, JoinInfo joinInfo, JoinColumn[] joinColumns) Creates a direction (left or right) join

Methods inherited from class java.lang.Object

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

Constructor Detail

DirectionJoinUtil

public DirectionJoinUtil()

Method Detail

createDirectionJoin

public static JoinedDataFrame createDirectionJoin(DataFrame dfA,
                                                  DataFrame dfB,
                                                  JoinInfo joinInfo,
                                                  JoinColumn[] joinColumns)

Creates a direction (left or right) join

Parameters:

dfA - first data frame

dfB - second data frame

joinInfo - info about the columns in the joined data frame

joinColumns - columns used for the join

Returns:

joined data frame