org.datavec.api.transform.transform.parse

Class ParseDoubleTransform

java.lang.Object

org.datavec.api.transform.transform.BaseTransform

org.datavec.api.transform.transform.parse.ParseDoubleTransform

All Implemented Interfaces:

Serializable, ColumnOp, Transform

public class ParseDoubleTransform
extends BaseTransform

Convert string writables to doubles

Author:

Adam GIbson

See Also:

Serialized Form

Field Summary

Fields inherited from class org.datavec.api.transform.transform.BaseTransform

inputSchema

Constructor Summary

Constructors

Constructor and Description
ParseDoubleTransform()

Method Summary

Modifier and Type	Method and Description
String	columnName() Returns a singular column name this op is meant to run on
String[]	columnNames() Returns column names this op is meant to run on
List<Writable>	map(List<Writable> writables) Transform a writable in to another writable
Object	map(Object input) Transform an object in to another object
Object	mapSequence(Object sequence) Transform a sequence
String	outputColumnName() The output column name after the operation has been applied
String[]	outputColumnNames() The output column names This will often be the same as the input
String	toString()
Schema	transform(Schema inputSchema) Get the output schema for this transformation, given an input schema

Methods inherited from class org.datavec.api.transform.transform.BaseTransform

getInputSchema, mapSequence, setInputSchema

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ParseDoubleTransform

public ParseDoubleTransform()

Method Detail

toString

public String toString()

Specified by:

toString in class BaseTransform

transform

public Schema transform(Schema inputSchema)

Get the output schema for this transformation, given an input schema

Parameters:

inputSchema -

map

public List<Writable> map(List<Writable> writables)

Description copied from interface: Transform

Transform a writable in to another writable

Parameters:

writables - the record to transform

Returns:

the transformed writable

map

public Object map(Object input)

Transform an object in to another object

Parameters:

input - the record to transform

Returns:

the transformed writable

mapSequence

public Object mapSequence(Object sequence)

Transform a sequence

Parameters:

sequence -

outputColumnName

public String outputColumnName()

The output column name after the operation has been applied

Returns:

the output column name

outputColumnNames

public String[] outputColumnNames()

The output column names This will often be the same as the input

Returns:

the output column names

columnNames

public String[] columnNames()

Returns column names this op is meant to run on

Returns:

columnName

public String columnName()

Returns a singular column name this op is meant to run on

Returns: