struqt.util

Class UniqueId

java.lang.Object

struqt.util.UniqueId

public class UniqueId
extends Object

Provide UniqueId data definition and some helper static method with a default encode and decode rules.

The default UniqueIdCodec use 43 bits to present timestamp, 9 bits to present a distributed instance id, and 11 bits to present a sequence number.

Since:

1.0

Author:

wangkang

Method Summary

Modifier and Type	Method and Description
static UniqueId	decode(long id)
static long	encode(long timeMillis, long instance, long sequence)
boolean	equals(Object o)
static UniqueIdCodec	getCodec()
long	getInstance()
long	getSequence()
long	getTimestamp()
long	getValue()
int	hashCode()
String	toString()
static UniqueId	valueOf(long id)
static UniqueId	valueOf(long timeMillis, long instance, long sequence)

Methods inherited from class java.lang.Object

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

Method Detail

valueOf

public static UniqueId valueOf(long timeMillis,
                               long instance,
                               long sequence)

valueOf

public static UniqueId valueOf(long id)

decode

public static UniqueId decode(long id)

encode

public static long encode(long timeMillis,
                          long instance,
                          long sequence)

getCodec

public static UniqueIdCodec getCodec()

getTimestamp

public long getTimestamp()

getInstance

public long getInstance()

getSequence

public long getSequence()

getValue

public long getValue()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object