org.elasticsearch.common.bloom
Class MurmurHash

java.lang.Object
  org.elasticsearch.common.bloom.MurmurHash

public class MurmurHash
extends java.lang.Object

This is a very fast, non-cryptographic hash suitable for general hash-based lookup. See http://murmurhash.googlepages.com/ for more details.

The C version of MurmurHash 2.0 found at that site was ported to Java by Andrzej Bialecki (ab at getopt org).

Constructor Summary

MurmurHash()

Method Summary

static int	hash32(java.nio.ByteBuffer data, int offset, int length, int seed)
static long	hash64(byte[] key, int offset, int length, long seed)
static long	hash64(java.nio.ByteBuffer key, int offset, int length, long seed)

Methods inherited from class java.lang.Object

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

Constructor Detail

MurmurHash

public MurmurHash()

Method Detail

hash32

public static int hash32(java.nio.ByteBuffer data,
                         int offset,
                         int length,
                         int seed)

hash64

public static long hash64(java.nio.ByteBuffer key,
                          int offset,
                          int length,
                          long seed)

hash64

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