org.datavec.api.transform.metadata

Interface ColumnMetaData

All Superinterfaces:

Cloneable, Serializable

All Known Implementing Classes:

BaseColumnMetaData, CategoricalMetaData, DoubleMetaData, FloatMetaData, IntegerMetaData, LongMetaData, StringMetaData, TimeMetaData

public interface ColumnMetaData
extends Serializable, Cloneable

ColumnMetaData: metadata for each column. Used to define: (a) the type of each column, and (b) any restrictions on the allowable values in each column

Author:

Alex Black

Method Summary

Modifier and Type	Method and Description
ColumnMetaData	clone()
ColumnType	getColumnType() Get the type of column
String	getName() Get the name of the specified column
boolean	isValid(Object input) Is the given object valid for this column, given the column type and any restrictions given by the ColumnMetaData object?
boolean	isValid(Writable writable) Is the given Writable valid for this column, given the column type and any restrictions given by the ColumnMetaData object?
void	setName(String name) Setter for the name

Method Detail

getName

String getName()

Get the name of the specified column

Returns:

Name of the column

setName

void setName(String name)

Setter for the name

Parameters:

name -

getColumnType

ColumnType getColumnType()

Get the type of column

isValid

boolean isValid(Writable writable)

Is the given Writable valid for this column, given the column type and any restrictions given by the ColumnMetaData object?

Parameters:

writable - Writable to check

Returns:

true if value, false if invalid

isValid

boolean isValid(Object input)

Is the given object valid for this column, given the column type and any restrictions given by the ColumnMetaData object?

Parameters:

input - object to check

Returns:

true if value, false if invalid

clone

ColumnMetaData clone()

Returns: