Package org.tribuo.data.columnar

Class ColumnarIterator.Row

java.lang.Object

org.tribuo.data.columnar.ColumnarIterator.Row

Enclosing class:

ColumnarIterator

public static class ColumnarIterator.Row
extends Object

A representation of a row of untyped data from a columnar data source. In addition to its row data it stores a canonical field list and its index (from 0) in the original data source. It should be immutable once constructed. It is the responsibility of the implementor of ColumnarIterator to ensure that the passed field list is immutable.

Constructor Summary

Constructors

Constructor	Description
Row(long index, List<String> fields, Map<String,String> rowData)	Constructs a row from a columnar source.

Method Summary

Modifier and Type	Method	Description
List<String>	getFields()	Gets the field headers.
long	getIndex()	Gets the row index.
Map<String,String>	getRowData()	Gets the row data.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

Row

public Row(long index,
 List<String> fields,
 Map<String,String> rowData)

Constructs a row from a columnar source.

Parameters:

index - The row index.

fields - The field names, assumed to be immutable.

rowData - The row data.

Method Details

getFields

public List<String> getFields()

Gets the field headers.

Returns:

The field headers.

getIndex

public long getIndex()

Gets the row index.

Returns:

The row index.

getRowData

public Map<String,String> getRowData()

Gets the row data.

Returns:

The row data.

toString

public String toString()

Overrides:

toString in class Object