tech.iooo.boot.netty.uuid

Class RandomId

java.lang.Object

tech.iooo.boot.netty.uuid.RandomId

All Implemented Interfaces:

Serializable

public final class RandomId
extends Object
implements Serializable

A globally unique identifier for objects.

Consists of 12 bytes, divided as follows:

RandomId layout

0	1	2	3	4	5	6	7	8	9	10	11
time				random long

Instances of this class are immutable.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static long	OFFSET_SECONDS
long	random
int	timestamp

Constructor Summary

Constructors

Constructor and Description
RandomId(io.netty.buffer.ByteBuf buffer)
RandomId(int timestamp, long random)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
long	getRandom()
int	getTimestamp()
int	hashCode()
static void	main(String[] args)
static RandomId	next() Gets a new object id.
String	toHexString()
String	toHexString32() 128位编码, 长度为32, 前8个字符用'0'填充
String	toString()
void	writeTo(io.netty.buffer.ByteBuf buffer)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

OFFSET_SECONDS

public static final long OFFSET_SECONDS

timestamp

public final int timestamp

random

public final long random

Constructor Detail

RandomId

public RandomId(int timestamp,
                long random)

RandomId

public RandomId(io.netty.buffer.ByteBuf buffer)

Method Detail

next

public static RandomId next()

Gets a new object id.

Returns:

the new id

main

public static void main(String[] args)

getTimestamp

public int getTimestamp()

getRandom

public long getRandom()

writeTo

public void writeTo(io.netty.buffer.ByteBuf buffer)

toHexString

public String toHexString()

toHexString32

public String toHexString32()

128位编码, 长度为32, 前8个字符用'0'填充

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object