ltd.fdsa.core.util

Class IdUtils

java.lang.Object

ltd.fdsa.core.util.IdUtils

public class IdUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static IdUtils	getInstance()
long	nextId() 获得下一个ID (该方法是线程安全的)
long	now() 返回以毫秒为单位的当前时间
protected long	tilNextMillis(long lastTimestamp) 阻塞到下一个毫秒，直到获得新的时间戳

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static IdUtils getInstance()

nextId

public long nextId()

获得下一个ID (该方法是线程安全的)

Returns:

SnowflakeId

tilNextMillis

protected long tilNextMillis(long lastTimestamp)

阻塞到下一个毫秒，直到获得新的时间戳

Parameters:

lastTimestamp - 上次生成ID的时间截

Returns:

当前时间戳

now

public long now()

返回以毫秒为单位的当前时间

Returns:

当前时间(毫秒)