Package org.apache.sysds.runtime.functionobjects

Class RollIndex

java.lang.Object

org.apache.sysds.runtime.functionobjects.FunctionObject

org.apache.sysds.runtime.functionobjects.IndexFunction

org.apache.sysds.runtime.functionobjects.RollIndex

All Implemented Interfaces:

Serializable

public class RollIndex
extends IndexFunction

This index function is NOT used for actual sorting but just as a reference in ReorgOperator in order to identify sort operations.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
RollIndex(int shift)

Method Summary

Modifier and Type	Method	Description
boolean	computeDimension(int row, int col, MatrixValue.CellIndex retDim)
boolean	computeDimension(DataCharacteristics in, DataCharacteristics out)
void	execute(MatrixIndexes in, MatrixIndexes out)
void	execute(MatrixValue.CellIndex in, MatrixValue.CellIndex out)
int	getShift()

Methods inherited from class org.apache.sysds.runtime.functionobjects.IndexFunction

toString

Methods inherited from class org.apache.sysds.runtime.functionobjects.FunctionObject

clone, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute, execute

Methods inherited from class java.lang.Object

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

Constructor Detail

RollIndex

public RollIndex(int shift)

Method Detail

getShift

public int getShift()

computeDimension

public boolean computeDimension(int row,
                                int col,
                                MatrixValue.CellIndex retDim)

Specified by:

computeDimension in class IndexFunction

computeDimension

public boolean computeDimension(DataCharacteristics in,
                                DataCharacteristics out)

Specified by:

computeDimension in class IndexFunction

execute

public void execute(MatrixIndexes in,
                    MatrixIndexes out)

Specified by:

execute in class IndexFunction

execute

public void execute(MatrixValue.CellIndex in,
                    MatrixValue.CellIndex out)

Specified by:

execute in class IndexFunction