Package it.unimi.di.law.bubing.util

Class MurmurHash3

java.lang.Object

it.unimi.di.law.bubing.util.MurmurHash3

public class MurmurHash3
extends java.lang.Object

A 64-bit implementation of MurmurHash3 for byte-array fragments.

Constructor Summary

Constructors

Constructor	Description
MurmurHash3()

Method Summary

Modifier and Type	Method	Description
static long	hash(byte[] array)	Hashes a byte array using MurmurHash3 with seed zero.
static long	hash(byte[] array, int offset, int length)	Hashes a byte-array fragment using MurmurHash3 with seed zero.
static long	hash(byte[] array, int offset, int length, long seed)	Hashes a byte-array fragment using MurmurHash3.
static long	hash(ByteArrayList list)	Hashes a ByteArrayList using MurmurHash3 with seed zero.

Methods inherited from class java.lang.Object

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

Constructor Detail

MurmurHash3

public MurmurHash3()

Method Detail

hash

public static final long hash(ByteArrayList list)

Hashes a ByteArrayList using MurmurHash3 with seed zero.

Parameters:

list - a byte-array list

Returns:

a 64-bit MurmurHash3 zero-seed hash for the specified fragment.

hash

public static final long hash(byte[] array)

Hashes a byte array using MurmurHash3 with seed zero.

Parameters:

array - a byte array.

Returns:

a 64-bit MurmurHash3 zero-seed hash for the specified fragment.

hash

public static final long hash(byte[] array,
                              int offset,
                              int length)

Hashes a byte-array fragment using MurmurHash3 with seed zero.

Parameters:

array - a byte array.

offset - the first valid byte in array.

length - the number of valid elements in array.

Returns:

a 64-bit MurmurHash3 zero-seed hash for the specified fragment.

hash

public static final long hash(byte[] array,
                              int offset,
                              int length,
                              long seed)

Hashes a byte-array fragment using MurmurHash3.

Parameters:

array - a byte array.

offset - the first valid byte in array.

length - the number of valid elements in array.

seed - a seed.

Returns:

a 64-bit MurmurHash3 hash for the specified fragment.