org.knime.base.data.append.row
Class ResortedCellsRow

java.lang.Object
  org.knime.base.data.append.row.ResortedCellsRow

All Implemented Interfaces:

Iterable<DataCell>, DataRow

public class ResortedCellsRow
extends Object
implements DataRow

A row that takes a base row and re-sorts the cells in it according to an int[] parameter passed in the constructor.

Author:

Bernd Wiswedel, University of Konstanz

Constructor Summary

protected

ResortedCellsRow(DataRow row, int[] sort) Creates new row with row as underlying base row and sort the new sorting scheme.

Method Summary

DataCell	getCell(int index) Returns the DataCell at the provided index within this row.
RowKey	getKey() Returns the row key.
int	getNumCells() Returns the length of this row, that is the number of columns of the DataTable (not including the row key).
Iterator<DataCell>	iterator()

Methods inherited from class java.lang.Object

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

Constructor Detail

ResortedCellsRow

protected ResortedCellsRow(DataRow row,
                           int[] sort)

Creates new row with row as underlying base row and sort the new sorting scheme. That is the old i-th entry becomes entry number sort[i].

Parameters:

row - the base row

sort - the re-sorting

Throws:

IllegalArgumentException - if the lengths of arrays don't match

NullPointerException - if either argument is null

Method Detail

getNumCells

public int getNumCells()

Returns the length of this row, that is the number of columns of the DataTable (not including the row key).

Specified by:

getNumCells in interface DataRow

Returns:

length of this row

getKey

public RowKey getKey()

Returns the row key.

Specified by:

getKey in interface DataRow

Returns:

the row key

getCell

public DataCell getCell(int index)

Returns the DataCell at the provided index within this row.

Specified by:

getCell in interface DataRow

Parameters:

index - the index of the cell to retrieve (indices start from 0)

Returns:

the DataCell at the given index

iterator

public Iterator<DataCell> iterator()

Specified by:

iterator in interface Iterable<DataCell>