org.dromara.warm.flow.core.keygen

Class SnowFlakeId15

java.lang.Object

org.dromara.warm.flow.core.keygen.SnowFlakeId15

All Implemented Interfaces:

KenGen

public class SnowFlakeId15
extends Object
implements KenGen

warm 生成15位有序id

Author:

HUANGJIANSHISHENG

Field Summary

Fields

Modifier and Type	Field and Description
private long	epoch
private long	lastTimestamp
private long	machineId
private long	machineIdBits
private long	machineIdShift
private long	maxMachineId
private long	maxSequence
private long	sequence
private long	sequenceBits
private long	sequenceShift
private long	timestampShift

Constructor Summary

Constructors

Constructor and Description
SnowFlakeId15(long machineId)

Method Summary

Modifier and Type	Method and Description
long	nextId() 获得下一个ID (该方法是线程安全的)
private long	tilNextMillis(long lastTimestamp)
private long	timeGen()

Methods inherited from class java.lang.Object

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

Field Detail

epoch

private final long epoch

See Also:

Constant Field Values

sequenceBits

private final long sequenceBits

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Constant Field Values

machineIdBits

private final long machineIdBits

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Constant Field Values

maxMachineId

private final long maxMachineId

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Constant Field Values

maxSequence

private final long maxSequence

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Constant Field Values

sequenceShift

private final long sequenceShift

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Constant Field Values

machineIdShift

private final long machineIdShift

See Also:

Constant Field Values

timestampShift

private final long timestampShift

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Constant Field Values

machineId

private long machineId

sequence

private long sequence

lastTimestamp

private long lastTimestamp

Constructor Detail

SnowFlakeId15

public SnowFlakeId15(long machineId)

Method Detail

nextId

public long nextId()

Description copied from interface: KenGen

获得下一个ID (该方法是线程安全的)

Specified by:

nextId in interface KenGen

Returns:

SnowflakeId

tilNextMillis

private long tilNextMillis(long lastTimestamp)

timeGen

private long timeGen()