com.sangupta.murmur

Class Murmur3

java.lang.Object

com.sangupta.murmur.Murmur3

All Implemented Interfaces:

MurmurConstants

public class Murmur3
extends Object
implements MurmurConstants

A pure Java implementation of the Murmur 3 hashing algorithm as presented at Murmur Project Code is ported from original C++ source at MurmurHash3.cpp

Since:

1.0

Field Summary

Fields inherited from interface com.sangupta.murmur.MurmurConstants

LONG_MASK, UINT_MASK, UNSIGNED_MASK

Constructor Summary

Constructors

Constructor and Description
Murmur3()

Method Summary

Methods

Modifier and Type	Method and Description
static long[]	hash_x64_128(byte[] data, int length, long seed) Compute the Murmur3 hash (128-bit version) as described in the original source code.
static long	hash_x86_32(byte[] data, int length, long seed) Compute the Murmur3 hash as described in the original source code.

Methods inherited from class java.lang.Object

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

Constructor Detail

Murmur3

public Murmur3()

Method Detail

hash_x86_32

public static long hash_x86_32(byte[] data,
               int length,
               long seed)

Compute the Murmur3 hash as described in the original source code.

Parameters:

data - the data that needs to be hashed

length - the length of the data that needs to be hashed

seed - the seed to use to compute the hash

Returns:

the computed hash value

hash_x64_128

public static long[] hash_x64_128(byte[] data,
                  int length,
                  long seed)

Compute the Murmur3 hash (128-bit version) as described in the original source code.

Parameters:

data - the data that needs to be hashed

length - the length of the data that needs to be hashed

seed - the seed to use to compute the hash

Returns:

the computed hash value