org.datavec.api.transform.metadata

Interface ColumnMetaData

All Superinterfaces:

Cloneable, Serializable

All Known Implementing Classes:

CategoricalMetaData, DoubleMetaData, 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
boolean	isValid(Writable writable) Is the given Writable valid for this column, given the column type and any restrictions given by the ColumnMetaData object?

Method Detail

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

clone

ColumnMetaData clone()