me.ahoo.cosid.sharding

Class IntervalStep

java.lang.Object

me.ahoo.cosid.sharding.IntervalStep

@Immutable
public class IntervalStep
extends java.lang.Object

Interval Step.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_AMOUNT

Constructor Summary

Constructors

Constructor and Description
IntervalStep(java.time.temporal.ChronoUnit unit, int amount)

Method Summary

Modifier and Type	Method and Description
java.time.LocalDateTime	floorUnit(java.time.LocalDateTime time) 按照 unit 保留单位时间精度.
int	getAmount()
java.time.temporal.ChronoUnit	getUnit()
java.time.LocalDateTime	next(java.time.LocalDateTime previous)
static IntervalStep	of(java.time.temporal.ChronoUnit unit)
static IntervalStep	of(java.time.temporal.ChronoUnit unit, int amount)
int	offsetUnit(java.time.LocalDateTime start, java.time.LocalDateTime time) 计算单位偏移量.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_AMOUNT

public static final int DEFAULT_AMOUNT

See Also:

Constant Field Values

Constructor Detail

IntervalStep

public IntervalStep(java.time.temporal.ChronoUnit unit,
                    int amount)

Method Detail

getUnit

public java.time.temporal.ChronoUnit getUnit()

getAmount

public int getAmount()

next

public java.time.LocalDateTime next(java.time.LocalDateTime previous)

floorUnit

public java.time.LocalDateTime floorUnit(java.time.LocalDateTime time)

按照 unit 保留单位时间精度.

Parameters:

time - time

Returns:

Unit precision LocalDateTime

offsetUnit

public int offsetUnit(java.time.LocalDateTime start,
                      java.time.LocalDateTime time)

计算单位偏移量. Start with 0

Parameters:

start - 最小值

time - time

Returns:

offset

of

public static IntervalStep of(java.time.temporal.ChronoUnit unit)

of

public static IntervalStep of(java.time.temporal.ChronoUnit unit,
                              int amount)