org.apache.spark.ml.attribute

Interface AttributeFactory

public interface AttributeFactory

Trait for ML attribute factories.

Method Summary

Modifier and Type	Method and Description
Attribute	decodeStructField(StructField field, boolean preserveName) Creates an Attribute from a StructField instance, optionally preserving name.
Attribute	fromMetadata(Metadata metadata) Creates an Attribute from a Metadata instance.
Attribute	fromStructField(StructField field) Creates an Attribute from a StructField instance.

Method Detail

decodeStructField

Attribute decodeStructField(StructField field,
                            boolean preserveName)

Creates an Attribute from a StructField instance, optionally preserving name.

Parameters:

field - (undocumented)

preserveName - (undocumented)

Returns:

(undocumented)

fromMetadata

Attribute fromMetadata(Metadata metadata)

Creates an Attribute from a Metadata instance.

Parameters:

metadata - (undocumented)

Returns:

(undocumented)

fromStructField

Attribute fromStructField(StructField field)

Creates an Attribute from a StructField instance.

Parameters:

field - (undocumented)

Returns:

(undocumented)