org.wso2.extension.siddhi.execution.approximate.distinctcount

Class MurmurHash

java.lang.Object

org.wso2.extension.siddhi.execution.approximate.distinctcount.MurmurHash

public final class MurmurHash
extends 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).

Method Summary

Modifier and Type	Method and Description
static int	hash(byte[] data)
static int	hash(byte[] data, int length, int seed)
static int	hash(Object o)
static int	hashLong(long data)

Methods inherited from class java.lang.Object

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

Method Detail

hash

public static int hash(Object o)

hash

public static int hash(byte[] data)

hash

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

hashLong

public static int hashLong(long data)