Package org.apache.sysds.runtime.frame.data.lib

Class FrameLibApplySchema

java.lang.Object

org.apache.sysds.runtime.frame.data.lib.FrameLibApplySchema

public class FrameLibApplySchema
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static int	PAR_ROW_THRESHOLD

Method Summary

Modifier and Type	Method	Description
static FrameBlock	applySchema(FrameBlock fb, Types.ValueType[] schema)	Method to create a new FrameBlock where the given schema is applied.
static FrameBlock	applySchema(FrameBlock fb, Types.ValueType[] schema, boolean[] nulls, int k)	Method to create a new FrameBlock where the given schema is applied, k is the parallelization degree.
static FrameBlock	applySchema(FrameBlock fb, Types.ValueType[] schema, int k)	Method to create a new FrameBlock where the given schema is applied, k is the parallelization degree.
static FrameBlock	applySchema(FrameBlock fb, FrameBlock schema)
static FrameBlock	applySchema(FrameBlock fb, FrameBlock schema, int k)	Method to create a new FrameBlock where the given schema is applied, k is the parallelization degree.

Methods inherited from class java.lang.Object

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

Field Details

PAR_ROW_THRESHOLD

public static int PAR_ROW_THRESHOLD

Method Details

applySchema

public static FrameBlock applySchema(FrameBlock fb,
 FrameBlock schema)

applySchema

public static FrameBlock applySchema(FrameBlock fb,
 FrameBlock schema,
 int k)

Method to create a new FrameBlock where the given schema is applied, k is the parallelization degree.

Parameters:

fb - The input block to apply schema to

schema - The schema to apply

k - The parallelization degree

Returns:

A new FrameBlock allocated with new arrays.

applySchema

public static FrameBlock applySchema(FrameBlock fb,
 Types.ValueType[] schema)

Method to create a new FrameBlock where the given schema is applied.

Parameters:

fb - The input block to apply schema to

schema - The schema to apply

Returns:

A new FrameBlock allocated with new arrays.

applySchema

public static FrameBlock applySchema(FrameBlock fb,
 Types.ValueType[] schema,
 int k)

Method to create a new FrameBlock where the given schema is applied, k is the parallelization degree.

Parameters:

fb - The input block to apply schema to

schema - The schema to apply

k - The parallelization degree

Returns:

A new FrameBlock allocated with new arrays.

applySchema

public static FrameBlock applySchema(FrameBlock fb,
 Types.ValueType[] schema,
 boolean[] nulls,
 int k)

Method to create a new FrameBlock where the given schema is applied, k is the parallelization degree.

Parameters:

fb - The input block to apply schema to

schema - The schema to apply

k - The parallelization degree

nulls - The columns that contains null values.

Returns:

A new FrameBlock allocated with new arrays.