org.apache.spark.api.r

Class RUtils

Object

org.apache.spark.api.r.RUtils

public class RUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
RUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	isRInstalled() Check if R is installed before running tests that use R commands.
static boolean	isSparkRInstalled() Check if SparkR is installed before running tests that use SparkR.
static scala.Option<String>	localSparkRPackagePath() Get the SparkR package path in the local spark distribution.
static scala.Option<String>	rPackages()
static scala.collection.Seq<String>	sparkRPackagePath(boolean isDriver) Get the list of paths for R packages in various deployment modes, of which the first path is for the SparkR package itself.

Methods inherited from class Object

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

Constructor Detail

RUtils

public RUtils()

Method Detail

rPackages

public static scala.Option<String> rPackages()

localSparkRPackagePath

public static scala.Option<String> localSparkRPackagePath()

Get the SparkR package path in the local spark distribution.

Returns:

(undocumented)

isSparkRInstalled

public static boolean isSparkRInstalled()

Check if SparkR is installed before running tests that use SparkR.

Returns:

(undocumented)

sparkRPackagePath

public static scala.collection.Seq<String> sparkRPackagePath(boolean isDriver)

Get the list of paths for R packages in various deployment modes, of which the first path is for the SparkR package itself. The second path is for R packages built as part of Spark Packages, if any exist. Spark Packages can be provided through the "--packages" or "--jars" command line options.

This assumes that Spark properties spark.master and spark.submit.deployMode and environment variable SPARK_HOME are set.

Parameters:

isDriver - (undocumented)

Returns:

(undocumented)

isRInstalled

public static boolean isRInstalled()

Check if R is installed before running tests that use R commands.