cn.jiangzeyin.sequence

类 BaseSequence

java.lang.Object

cn.jiangzeyin.sequence.BaseSequence

所有已实现的接口:

IQuietSequence, ISequence

直接已知子类:

DateSequence, IdSequence

public abstract class BaseSequence
extends Object
implements IQuietSequence

公共的

作者:

jiangzeyin date 2018/6/20

字段概要

字段

限定符和类型	字段和说明
protected int	dataCenterId 数据中心编号
protected int	dataCenterIdBits
protected int	dataCenterIdShift
protected long	lastTimestamp 最后一次计算的时间
protected long	sequence
protected int	sequenceBits
protected long	sequenceMask 用mask防止溢出:位与运算保证计算
protected int	workerId 机器编号
protected int	workerIdBits
protected int	workerIdShift

构造器概要

构造器

构造器和说明
BaseSequence(int workerId, int dataCenterId, int workerIdBits, int dataCenterIdBits, int sequenceBits)

方法概要

限定符和类型	方法和说明
protected long	tilNextMillis(long lastTimestamp)
protected long	timeGen()

从类继承的方法 java.lang.Object

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

从接口继承的方法 cn.jiangzeyin.sequence.IQuietSequence

nextId, parseInfo

字段详细资料

workerId

protected final int workerId

机器编号

dataCenterId

protected final int dataCenterId

数据中心编号

sequenceMask

protected final long sequenceMask

用mask防止溢出:位与运算保证计算

workerIdShift

protected final int workerIdShift

dataCenterIdShift

protected final int dataCenterIdShift

workerIdBits

protected final int workerIdBits

dataCenterIdBits

protected final int dataCenterIdBits

sequenceBits

protected final int sequenceBits

sequence

protected long sequence

lastTimestamp

protected long lastTimestamp

最后一次计算的时间

构造器详细资料

BaseSequence

public BaseSequence(int workerId,
                    int dataCenterId,
                    int workerIdBits,
                    int dataCenterIdBits,
                    int sequenceBits)

方法详细资料

tilNextMillis

protected long tilNextMillis(long lastTimestamp)

timeGen

protected long timeGen()