org.apache.spark.ml.util

Class MLReader<T>

Object

org.apache.spark.ml.util.MLReader<T>

Type Parameters:

T - ML instance type

public abstract class MLReader<T>
extends Object

Abstract class for utility classes that can load ML instances.

Constructor Summary

Constructors

Constructor and Description
MLReader()

Method Summary

Modifier and Type	Method and Description
MLReader<T>	context(SQLContext sqlContext) Sets the Spark SQLContext to use for saving/loading.
abstract T	load(String path) Loads the ML component from the input path.
scala.Option<SparkSession>	optionSparkSession()
SparkContext	sc() Returns the underlying `SparkContext`.
MLReader<T>	session(SparkSession sparkSession) Sets the Spark Session to use for saving/loading.
SparkSession	sparkSession() Returns the user-specified Spark Session or the default.
SQLContext	sqlContext() Returns the user-specified SQL context or the default.

Methods inherited from class Object

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

Constructor Detail

MLReader

public MLReader()

Method Detail

context

public MLReader<T> context(SQLContext sqlContext)

Sets the Spark SQLContext to use for saving/loading.

Parameters:

sqlContext - (undocumented)

Returns:

(undocumented)

load

public abstract T load(String path)

Loads the ML component from the input path.

Parameters:

path - (undocumented)

Returns:

(undocumented)

session

public MLReader<T> session(SparkSession sparkSession)

Sets the Spark Session to use for saving/loading.

Parameters:

sparkSession - (undocumented)

Returns:

(undocumented)

optionSparkSession

public scala.Option<SparkSession> optionSparkSession()

sc

public SparkContext sc()

Returns the underlying `SparkContext`.

sparkSession

public SparkSession sparkSession()

Returns the user-specified Spark Session or the default.

Returns:

(undocumented)

sqlContext

public SQLContext sqlContext()

Returns the user-specified SQL context or the default.

Returns:

(undocumented)