Class SeedUtils

java.lang.Object

com.carrotsearch.randomizedtesting.SeedUtils

public final class SeedUtils
extends Object

Utilities for parsing random seeds.

Field Summary

Fields

Modifier and Type	Field	Description
private static final char[]	HEX

Constructor Summary

Constructors

Modifier	Constructor	Description
private	SeedUtils()

Method Summary

Modifier and Type	Method	Description
static String	formatSeed(long seed)	Format a single seed.
static String	formatSeedChain(Randomness... randomnesses)	Formats randomness seed or seeds into something the user can type in to get predictably repeatable execution.
static long	parseSeed(String seed)	Parse a single seed.
static long[]	parseSeedChain(String chain)	Parse a seed chain formatted with formatSeedChain(Randomness...).

Methods inherited from class Object

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

Field Details

HEX

private static final char[] HEX

Constructor Details

SeedUtils

private SeedUtils()

Method Details

parseSeed

public static long parseSeed(String seed)

Parse a single seed. The seed needs to be cleaned up from any surrounding characters.

formatSeed

public static String formatSeed(long seed)

Format a single seed.

parseSeedChain

public static long[] parseSeedChain(String chain)

Parse a seed chain formatted with formatSeedChain(Randomness...).

formatSeedChain

public static String formatSeedChain(Randomness... randomnesses)

Formats randomness seed or seeds into something the user can type in to get predictably repeatable execution.