org.apache.sysds.runtime.compress

Class ReaderColumnSelection

java.lang.Object

org.apache.sysds.runtime.compress.ReaderColumnSelection

Direct Known Subclasses:

ReaderColumnSelectionDense, ReaderColumnSelectionDenseSample, ReaderColumnSelectionSparse

public abstract class ReaderColumnSelection
extends Object

Base class for all column selection readers.

Method Summary

Modifier and Type	Method and Description
int	getCurrentRowIndex()
DblArray	nextRow() Gets the next row, null when no more rows.
void	reset() Resets the reader to the first row.

Methods inherited from class java.lang.Object

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

Method Detail

nextRow

public DblArray nextRow()

Gets the next row, null when no more rows.

Returns:

next row

getCurrentRowIndex

public int getCurrentRowIndex()

reset

public void reset()

Resets the reader to the first row.