org.beryx.streamplify.shuffler

Class DefaultBigIntegerShuffler

java.lang.Object

org.beryx.streamplify.shuffler.DefaultBigIntegerShuffler

All Implemented Interfaces:

BigIntegerShuffler

public class DefaultBigIntegerShuffler
extends java.lang.Object
implements BigIntegerShuffler

An implementation of BigIntegerShuffler based on ShufflerImpl.

Field Summary

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

IDENTITY

Constructor Summary

Constructors

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

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultBigIntegerShuffler

public DefaultBigIntegerShuffler(java.math.BigInteger count)

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

Parameters:

count - the number of indices in the range

DefaultBigIntegerShuffler

public DefaultBigIntegerShuffler(java.math.BigInteger 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 DefaultBigIntegerShuffler withSeed(long seed)

Parameters:

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

Returns:

this instance

getShuffledIndex

public java.math.BigInteger getShuffledIndex(java.math.BigInteger index)

Description copied from interface: BigIntegerShuffler

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

Specified by:

getShuffledIndex in interface BigIntegerShuffler