Package org.drasyl.util

Class Murmur3

java.lang.Object

org.drasyl.util.Murmur3

public final class Murmur3
extends Object

This class contains methods for MurmurHash3 generation.

Method Summary

Modifier and Type	Method	Description
static int	murmur3_x86_32(byte[] data)	Generates a MurmurHash3 x86 32-bit hash without seed.
static int	murmur3_x86_32(byte[] data, int seed)	Generates a MurmurHash3 x86 32-bit hash.
static byte[]	murmur3_x86_32BytesLE(byte[] data)	Generates a MurmurHash3 x86 32-bit hash without seed with Little Endian Byte Order.
static byte[]	murmur3_x86_32BytesLE(byte[] data, int seed)	Generates a MurmurHash3 x86 32-bit hash with Little Endian Byte Order.
static int	murmur3_x86_32LE(byte[] data)	Generates a MurmurHash3 x86 32-bit hash without seed with Little Endian Byte Order.
static int	murmur3_x86_32LE(byte[] data, int seed)	Generates a MurmurHash3 x86 32-bit hash with Little Endian Byte Order.

Methods inherited from class java.lang.Object

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

Method Detail

murmur3_x86_32

public static int murmur3_x86_32(byte[] data)

Generates a MurmurHash3 x86 32-bit hash without seed.

Parameters:

data - the input to hash

Returns:

the MurmurHash3 x86 32-bit hash

Throws:

NullPointerException - if data is null

murmur3_x86_32

public static int murmur3_x86_32(byte[] data,
                                 int seed)

Generates a MurmurHash3 x86 32-bit hash.

This method is a Java port of the MurmurHash3_x86_32 function from Austin Appleby.

Parameters:

data - the input to hash

seed - the initial seed value

Returns:

the MurmurHash3 x86 32-bit hash

Throws:

NullPointerException - if data is null

murmur3_x86_32LE

public static int murmur3_x86_32LE(byte[] data,
                                   int seed)

Generates a MurmurHash3 x86 32-bit hash with Little Endian Byte Order.

Parameters:

data - the input to hash

seed - the initial seed value

Returns:

the MurmurHash3 x86 32-bit hash

Throws:

NullPointerException - if data is null

murmur3_x86_32LE

public static int murmur3_x86_32LE(byte[] data)

Generates a MurmurHash3 x86 32-bit hash without seed with Little Endian Byte Order.

Parameters:

data - the input to hash

Returns:

the MurmurHash3 x86 32-bit hash

Throws:

NullPointerException - if data is null

murmur3_x86_32BytesLE

public static byte[] murmur3_x86_32BytesLE(byte[] data,
                                           int seed)

Generates a MurmurHash3 x86 32-bit hash with Little Endian Byte Order.

Parameters:

data - the input to hash

seed - the initial seed value

Returns:

the MurmurHash3 x86 32-bit hash

Throws:

NullPointerException - if data is null

murmur3_x86_32BytesLE

public static byte[] murmur3_x86_32BytesLE(byte[] data)

Generates a MurmurHash3 x86 32-bit hash without seed with Little Endian Byte Order.

Parameters:

data - the input to hash

Returns:

the MurmurHash3 x86 32-bit hash

Throws:

NullPointerException - if data is null