Package org.gridgain.tpcds.qgen.random

Class RandomNumberStreamImpl

java.lang.Object

org.gridgain.tpcds.qgen.random.RandomNumberStreamImpl

All Implemented Interfaces:

RandomNumberStream

public class RandomNumberStreamImpl
extends Object
implements RandomNumberStream

Constructor Summary

Constructors

Constructor	Description
RandomNumberStreamImpl(int seedsPerRow)
RandomNumberStreamImpl(int globalColumnNumber, int seedsPerRow)
RandomNumberStreamImpl(int globalColumnNumber, int seedBase, int seedsPerRow)

Method Summary

Modifier and Type	Method	Description
int	getSeedsPerRow()
int	getSeedsUsed()
long	nextRandom()
double	nextRandomDouble()
void	resetSeed()
void	resetSeedsUsed()
void	skipRows(long numberOfRows)

Methods inherited from class java.lang.Object

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

Constructor Details

RandomNumberStreamImpl

public RandomNumberStreamImpl(int seedsPerRow)

RandomNumberStreamImpl

public RandomNumberStreamImpl(int globalColumnNumber,
 int seedsPerRow)

RandomNumberStreamImpl

public RandomNumberStreamImpl(int globalColumnNumber,
 int seedBase,
 int seedsPerRow)

Method Details

nextRandom

public long nextRandom()

Specified by:

nextRandom in interface RandomNumberStream

nextRandomDouble

public double nextRandomDouble()

Specified by:

nextRandomDouble in interface RandomNumberStream

skipRows

public void skipRows(long numberOfRows)

Specified by:

skipRows in interface RandomNumberStream

resetSeed

public void resetSeed()

Specified by:

resetSeed in interface RandomNumberStream

getSeedsUsed

public int getSeedsUsed()

Specified by:

getSeedsUsed in interface RandomNumberStream

resetSeedsUsed

public void resetSeedsUsed()

Specified by:

resetSeedsUsed in interface RandomNumberStream

getSeedsPerRow

public int getSeedsPerRow()

Specified by:

getSeedsPerRow in interface RandomNumberStream