org.dromara.hutool.core.codec.hash.metro

Class MetroHash64

java.lang.Object

org.dromara.hutool.core.codec.hash.metro.AbstractMetroHash<MetroHash64>

org.dromara.hutool.core.codec.hash.metro.MetroHash64

All Implemented Interfaces:

Encoder<byte[],Number>, Hash64<byte[]>, MetroHash<MetroHash64>

public class MetroHash64
extends AbstractMetroHash<MetroHash64>
implements Hash64<byte[]>

Apache 发布的MetroHash算法的64位实现，是一组用于非加密用例的最先进的哈希函数。 除了卓越的性能外，他们还以算法生成而著称。

官方实现：https://github.com/jandrewrogers/MetroHash 官方文档：http://www.jandrewrogers.com/2015/05/27/metrohash/ 来自：https://github.com/postamar/java-metrohash/

Author:

Marius Posta

Constructor Summary

Constructors

Constructor and Description
MetroHash64(long seed) 使用指定种子构造

Method Summary

Modifier and Type	Method and Description
long	get() 获取计算结果hash值
long	hash64(byte[] bytes) 计算Hash值
static MetroHash64	of(long seed) 创建 MetroHash64对象
MetroHash64	reset() 重置，重置后可复用对象开启新的计算
MetroHash64	write(ByteBuffer output, ByteOrder byteOrder) 将结果hash值写出到ByteBuffer中，可选端序

Methods inherited from class org.dromara.hutool.core.codec.hash.metro.AbstractMetroHash

apply

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.dromara.hutool.core.codec.hash.Hash64

encode

Methods inherited from interface org.dromara.hutool.core.codec.hash.metro.MetroHash

of

Constructor Detail

MetroHash64

public MetroHash64(long seed)

使用指定种子构造

Parameters:

seed - 种子

Method Detail

of

public static MetroHash64 of(long seed)

创建 MetroHash64对象

Parameters:

seed - 种子

Returns:

MetroHash64对象

reset

public MetroHash64 reset()

Description copied from interface: MetroHash

重置，重置后可复用对象开启新的计算

Specified by:

reset in interface MetroHash<MetroHash64>

Returns:

this

get

public long get()

获取计算结果hash值

Returns:

hash值

hash64

public long hash64(byte[] bytes)

Description copied from interface: Hash64

计算Hash值

Specified by:

hash64 in interface Hash64<byte[]>

Parameters:

bytes - 对象

Returns:

hash

write

public MetroHash64 write(ByteBuffer output,
                         ByteOrder byteOrder)

Description copied from interface: MetroHash

将结果hash值写出到ByteBuffer中，可选端序

Specified by:

write in interface MetroHash<MetroHash64>

Parameters:

output - 输出

byteOrder - 端序

Returns:

this