org.seqdoop.hadoop_bam.util

Class MurmurHash3

java.lang.Object

org.seqdoop.hadoop_bam.util.MurmurHash3

public final class MurmurHash3
extends Object

This class implements a hash function giving the first 64 bits of the MurmurHash3_x64_128 hash.

Constructor Summary

Constructors

Constructor and Description
MurmurHash3()

Method Summary

Modifier and Type	Method and Description
static long	murmurhash3(byte[] key, int seed)
static long	murmurhash3(CharSequence chars, int seed) This version hashes the characters directly.

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

murmurhash3

public static long murmurhash3(byte[] key,
                               int seed)

murmurhash3

public static long murmurhash3(CharSequence chars,
                               int seed)

This version hashes the characters directly. It is not equivalent to hashing chars.toString().getBytes(), as it hashes UTF-16 code units, but it is much faster.