voodoo.curse.hash

Class Murmur2Lib

java.lang.Object

voodoo.curse.hash.Murmur2Lib

public class Murmur2Lib
extends java.lang.Object

Murmur2 32 and 64 bit variants. 32-bit Java port of https://code.google.com/p/smhasher/source/browse/trunk/MurmurHash2.cpp#37 64-bit Java port of https://code.google.com/p/smhasher/source/browse/trunk/MurmurHash2.cpp#96

Constructor Summary

Constructors

Constructor and Description
Murmur2Lib()

Method Summary

Modifier and Type	Method and Description
static int	hash32(byte[] data) Murmur2 32-bit variant.
static int	hash32(byte[] data, int seed) Murmur2 32-bit variant.
static int	hash32(byte[] data, int length, int seed) Murmur2 32-bit variant.
static long	hash64(byte[] data) Murmur2 64-bit variant.
static long	hash64(byte[] data, int seed) Murmur2 32-bit variant.
static long	hash64(byte[] data, int length, int seed) Murmur2 64-bit variant.

Methods inherited from class java.lang.Object

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

Constructor Detail

Murmur2Lib

public Murmur2Lib()

Method Detail

hash32

public static int hash32(byte[] data)

Murmur2 32-bit variant.

Parameters:

data - - input byte array

Returns:

- hashcode

hash32

public static int hash32(byte[] data,
                         int seed)

Murmur2 32-bit variant.

Parameters:

data - - input byte array

seed - - seed. (default 0)

Returns:

- hashcode

hash32

public static int hash32(byte[] data,
                         int length,
                         int seed)

Murmur2 32-bit variant.

Parameters:

data - - input byte array

length - - length of array

seed - - seed. (default 0)

Returns:

- hashcode

hash64

public static long hash64(byte[] data)

Murmur2 64-bit variant.

Parameters:

data - - input byte array

Returns:

- hashcode

hash64

public static long hash64(byte[] data,
                          int seed)

Murmur2 32-bit variant.

Parameters:

data - - input byte array

seed - - seed. (default 0)

Returns:

- hashcode

hash64

public static long hash64(byte[] data,
                          int length,
                          int seed)

Murmur2 64-bit variant.

Parameters:

data - - input byte array

length - - length of array

seed - - seed. (default 0)

Returns:

- hashcode