org.datavec.api.transform.transform.string

Class ReplaceStringTransform

java.lang.Object

org.datavec.api.transform.transform.BaseTransform

org.datavec.api.transform.transform.BaseColumnTransform

org.datavec.api.transform.transform.string.BaseStringTransform

org.datavec.api.transform.transform.string.ReplaceStringTransform

All Implemented Interfaces:

Serializable, ColumnOp, Transform

public class ReplaceStringTransform
extends BaseStringTransform

Replaces String values that match regular expressions.

See Also:

Serialized Form

Field Summary

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

columnName, columnNumber

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

inputSchema

Constructor Summary

Constructors

Constructor and Description
ReplaceStringTransform(String columnName, Map<String,String> map) Constructs a new ReplaceStringTransform using the specified

Method Summary

Modifier and Type	Method and Description
Object	map(Object o) Transform an object in to another object
Text	map(Writable writable) Transform the writable in to a string

Methods inherited from class org.datavec.api.transform.transform.string.BaseStringTransform

getNewColumnMetaData

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

columnName, columnNames, equals, hashCode, map, mapSequence, outputColumnName, outputColumnNames, setInputSchema, toString, transform

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

getInputSchema, mapSequence

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.datavec.api.transform.ColumnOp

getInputSchema

Constructor Detail

ReplaceStringTransform

public ReplaceStringTransform(String columnName,
                              Map<String,String> map)

Constructs a new ReplaceStringTransform using the specified

Parameters:

columnName - Name of the column

map - Key: regular expression; Value: replacement value

Method Detail

map

public Text map(Writable writable)

Description copied from class: BaseStringTransform

Transform the writable in to a string

Specified by:

map in class BaseStringTransform

Parameters:

writable - the writable to transform

Returns:

the string form of this writable

map

public Object map(Object o)

Description copied from interface: Transform

Transform an object in to another object

Parameters:

o - the record to transform

Returns:

the transformed writable