org.aoju.bus.core.key

Class ObjectID

java.lang.Object

org.aoju.bus.core.key.ObjectID

All Implemented Interfaces:

Serializable, Comparable<ObjectID>

public class ObjectID
extends Object
implements Comparable<ObjectID>, Serializable

对象的全局唯一标识符

由12个字节组成，分割如下:

Since:

JDK 1.8

Version:

3.0.9

Author:

objectids

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ObjectID() Create a new object id.
ObjectID(byte[] b)
ObjectID(Date time)
ObjectID(Date time, int inc)
ObjectID(Date time, int machine, int inc)
ObjectID(int time, int machine, int inc) Creates an ObjectId
ObjectID(String s) Creates a new instance from a string.
ObjectID(String s, boolean babble)

Method Summary

Modifier and Type	Method and Description
static int	_flip(int x)
int	_inc()
int	_machine()
int	_time()
static String	babbleToMongod(String b)
int	compareTo(ObjectID id)
boolean	equals(Object o)
static ObjectID	get() 获取ObjectId
static int	getCurrentInc() 获取自动增量的当前值
static int	getGenMachineId() 获取生成的机器ID，标识机器/进程/类 加载程序
int	getInc()
int	getMachine()
long	getTime() 获取此ID的时间(以毫秒为单位)
int	getTimeSecond() 获取此ID的时间(以秒为单位)
int	hashCode()
static String	id() 获取ObjectId.
boolean	isNew()
static boolean	isValid(String text) 检查字符串是否可以是ObjectId
static ObjectID	massageToObjectId(Object o) 将对象转换为ObjectId
void	notNew()
byte[]	toByteArray()
String	toString()
String	toStringBabble()
String	toStringMongod()

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectID

public ObjectID(Date time)

ObjectID

public ObjectID(Date time,
                int inc)

ObjectID

public ObjectID(Date time,
                int machine,
                int inc)

ObjectID

public ObjectID(String s)

Creates a new instance from a string.

Parameters:

s - the string to convert

Throws:

IllegalArgumentException - if the string is not a valid id

ObjectID

public ObjectID(String s,
                boolean babble)

ObjectID

public ObjectID(byte[] b)

ObjectID

public ObjectID(int time,
                int machine,
                int inc)

Creates an ObjectId

Parameters:

time - time in seconds

machine - machine ID

inc - incremental value

ObjectID

public ObjectID()

Create a new object id.

Method Detail

id

public static String id()

获取ObjectId.

Returns:

the new id

get

public static ObjectID get()

获取ObjectId

Returns:

the new id

isValid

public static boolean isValid(String text)

检查字符串是否可以是ObjectId

Parameters:

text - 字符串

Returns:

true/false

massageToObjectId

public static ObjectID massageToObjectId(Object o)

将对象转换为ObjectId

Parameters:

o - 要转换的对象

Returns:

objectid/null

babbleToMongod

public static String babbleToMongod(String b)

getGenMachineId

public static int getGenMachineId()

获取生成的机器ID，标识机器/进程/类 加载程序

Returns:

the int

getCurrentInc

public static int getCurrentInc()

获取自动增量的当前值

Returns:

the int

_flip

public static int _flip(int x)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toStringBabble

public String toStringBabble()

toStringMongod

public String toStringMongod()

toByteArray

public byte[] toByteArray()

toString

public String toString()

Overrides:

toString in class Object

compareTo

public int compareTo(ObjectID id)

Specified by:

compareTo in interface Comparable<ObjectID>

getMachine

public int getMachine()

getTime

public long getTime()

获取此ID的时间(以毫秒为单位)

Returns:

the long

getTimeSecond

public int getTimeSecond()

获取此ID的时间(以秒为单位)

Returns:

the int

getInc

public int getInc()

_time

public int _time()

_machine

public int _machine()

_inc

public int _inc()

isNew

public boolean isNew()

notNew

public void notNew()