com.io7m.jmurmur

Class Murmur3

java.lang.Object

com.io7m.jmurmur.Murmur3

public final class Murmur3
extends Object

An implementation of the public domain Murmur3 hash function.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_SEED The default seed if one is not explicitly given.

Method Summary

Modifier and Type	Method and Description
static int	hashInt(int x) Hash the given integer value using the default seed (@link DEFAULT_SEED).
static int	hashIntWithSeed(int x, int seed) Hash the given integer value using the given seed to randomize the results.
static int	hashLong(long x) Hash the given long value using the default seed (@link DEFAULT_SEED).
static int	hashLongWithSeed(long x, int seed) Hash the given long value using the given seed to randomize the results.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SEED

public static final int DEFAULT_SEED

The default seed if one is not explicitly given. Just a large prime, no significance.

See Also:

Constant Field Values

Method Detail

hashInt

public static int hashInt(int x)

Hash the given integer value using the default seed (@link DEFAULT_SEED).

Parameters:

x - The integer value.

Returns:

A hash value.

hashIntWithSeed

public static int hashIntWithSeed(int x,
                                  int seed)

Hash the given integer value using the given seed to randomize the results.

Parameters:

x - The integer value.

seed - The seed value.

Returns:

A hash value.

hashLong

public static int hashLong(long x)

Hash the given long value using the default seed (@link DEFAULT_SEED).

Parameters:

x - The long value.

Returns:

A hash value.

hashLongWithSeed

public static int hashLongWithSeed(long x,
                                   int seed)

Hash the given long value using the given seed to randomize the results.

Parameters:

x - The long value.

seed - The seed value.

Returns:

A hash value.