org.apache.spark.mllib.linalg

Class VectorUDT

Object

org.apache.spark.sql.types.DataType

org.apache.spark.sql.types.UserDefinedType<Vector>

org.apache.spark.mllib.linalg.VectorUDT

All Implemented Interfaces:

java.io.Serializable

public class VectorUDT
extends UserDefinedType<Vector>

:: AlphaComponent ::

User-defined type for Vector which allows easy interaction with SQL via DataFrame.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
VectorUDT()

Method Summary

Methods

Modifier and Type	Method and Description
Vector	deserialize(Object datum) Convert a SQL datum to the user type
boolean	equals(Object o)
int	hashCode()
String	pyUDT() Paired Python UDT class, if exists.
org.apache.spark.sql.catalyst.InternalRow	serialize(Object obj) Convert the user type to a SQL datum
StructType	sqlType() Underlying storage type for this UDT
String	typeName() Name of the type used in JSON serialization.
Class<Vector>	userClass() Class object for the UserType

Methods inherited from class org.apache.spark.sql.types.UserDefinedType

defaultSize, serializedPyClass

Methods inherited from class org.apache.spark.sql.types.DataType

fromCaseClassString, fromJson, json, prettyJson, simpleString

Methods inherited from class Object

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VectorUDT

public VectorUDT()

Method Detail

sqlType

public StructType sqlType()

Description copied from class: UserDefinedType

Underlying storage type for this UDT

Specified by:

sqlType in class UserDefinedType<Vector>

serialize

public org.apache.spark.sql.catalyst.InternalRow serialize(Object obj)

Description copied from class: UserDefinedType

Convert the user type to a SQL datum

TODO: Can we make this take obj: UserType? The issue is in CatalystTypeConverters.convertToCatalyst, where we need to convert Any to UserType.

Specified by:

serialize in class UserDefinedType<Vector>

Parameters:

obj - (undocumented)

Returns:

(undocumented)

deserialize

public Vector deserialize(Object datum)

Description copied from class: UserDefinedType

Convert a SQL datum to the user type

Specified by:

deserialize in class UserDefinedType<Vector>

pyUDT

public String pyUDT()

Description copied from class: UserDefinedType

Paired Python UDT class, if exists.

Overrides:

pyUDT in class UserDefinedType<Vector>

userClass

public Class<Vector> userClass()

Description copied from class: UserDefinedType

Class object for the UserType

Specified by:

userClass in class UserDefinedType<Vector>

Returns:

(undocumented)

equals

public boolean equals(Object o)

Overrides:

equals in class UserDefinedType<Vector>

hashCode

public int hashCode()

Overrides:

hashCode in class Object

typeName

public String typeName()

Description copied from class: DataType

Name of the type used in JSON serialization.

Overrides:

typeName in class DataType