cn.hutool.core.lang.hash

Class KetamaHash

java.lang.Object

cn.hutool.core.lang.hash.KetamaHash

All Implemented Interfaces:

Hash<String>, Hash32<String>, Hash64<String>

public class KetamaHash
extends Object
implements Hash64<String>, Hash32<String>

Ketama算法，用于在一致性Hash中快速定位服务器位置

Since:

5.7.20

Author:

looly

Constructor Summary

Constructors

Constructor and Description
KetamaHash()

Method Summary

Modifier and Type	Method and Description
Number	hash(String key) 计算Hash值
int	hash32(String key) 计算Hash值
long	hash64(String key) 计算Hash值

Methods inherited from class java.lang.Object

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

Constructor Detail

KetamaHash

public KetamaHash()

Method Detail

hash64

public long hash64(String key)

Description copied from interface: Hash64

计算Hash值

Specified by:

hash64 in interface Hash64<String>

Parameters:

key - 对象

Returns:

hash

hash32

public int hash32(String key)

Description copied from interface: Hash32

计算Hash值

Specified by:

hash32 in interface Hash32<String>

Parameters:

key - 对象

Returns:

hash

hash

public Number hash(String key)

Description copied from interface: Hash

计算Hash值

Specified by:

hash in interface Hash<String>

Specified by:

hash in interface Hash32<String>

Specified by:

hash in interface Hash64<String>

Parameters:

key - 对象

Returns:

hash