org.beryx.streamplify.shuffler

Class DefaultLongShuffler

java.lang.Object

org.beryx.streamplify.shuffler.DefaultLongShuffler

All Implemented Interfaces:

LongShuffler

public class DefaultLongShuffler
extends java.lang.Object
implements LongShuffler

An implementation of LongShuffler based on ShufflerImpl.

Field Summary

Fields inherited from interface org.beryx.streamplify.shuffler.LongShuffler

IDENTITY

Constructor Summary

Constructors

Constructor and Description
DefaultLongShuffler(long count) Constructs a shuffler for indices in the range [0 ..
DefaultLongShuffler(long count, java.util.Random rnd) Constructs a shuffler for indices in the range [0 ..

Method Summary

Modifier and Type	Method and Description
long	getShuffledIndex(long index) Retrieves the value corresponding to index in the permutation associated with this shuffler.
DefaultLongShuffler	withSeed(long seed)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultLongShuffler

public DefaultLongShuffler(long count)

Constructs a shuffler for indices in the range [0 .. count - 1].

Parameters:

count - the number of indices in the range

DefaultLongShuffler

public DefaultLongShuffler(long count,
                           java.util.Random rnd)

Constructs a shuffler for indices in the range [0 .. count - 1], specifying the random number generator to be used.

Parameters:

count - the number of indices in the range

rnd - the random number generator to be used

Method Detail

withSeed

public DefaultLongShuffler withSeed(long seed)

Parameters:

seed - the seed of the random generator used by this instance

Returns:

this instance

getShuffledIndex

public long getShuffledIndex(long index)

Description copied from interface: LongShuffler

Retrieves the value corresponding to index in the permutation associated with this shuffler.

Specified by:

getShuffledIndex in interface LongShuffler