org.hawkular.metrics.datetime

Class DateTimeService

java.lang.Object

org.hawkular.metrics.datetime.DateTimeService

public class DateTimeService
extends Object

Author:

John Sanda

Field Summary

Fields

Modifier and Type	Field and Description
static Supplier<org.joda.time.DateTime>	now

Constructor Summary

Constructors

Constructor and Description
DateTimeService()

Method Summary

Modifier and Type	Method and Description
static org.joda.time.DateTime	current24HourTimeSlice() The 24 hour time slices are fix - 00:00 to 24:00.
static org.joda.time.DateTime	currentHour()
static org.joda.time.DateTime	currentMinute()
static org.joda.time.DateTime	get24HourTimeSlice(org.joda.time.DateTime time) This method determines the 24 hour time slice for the specified time and returns the start of that time slice.
static org.joda.time.DateTime	getTimeSlice(org.joda.time.DateTime dt, org.joda.time.Duration duration)
static long	getTimeSlice(long time, org.joda.time.Duration duration)
static TemporalAdjuster	startOfNextOddHour()
static TemporalAdjuster	startOfPreviousEvenHour()

Methods inherited from class java.lang.Object

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

Field Detail

now

public static Supplier<org.joda.time.DateTime> now

Constructor Detail

DateTimeService

public DateTimeService()

Method Detail

currentMinute

public static org.joda.time.DateTime currentMinute()

Returns:

A DateTime object rounded down to the start of the current minute. For example if the current time is 17:21:09, then 17:21:00 is returned.

currentHour

public static org.joda.time.DateTime currentHour()

Returns:

A DateTime object rounded down to the start of the current hour. For example, if the current time is 17:21:09, then 17:00:00 is returned.

current24HourTimeSlice

public static org.joda.time.DateTime current24HourTimeSlice()

The 24 hour time slices are fix - 00:00 to 24:00. This method determines the 24 hour time slice based on currentHour() and returns the start of the time slice.

Returns:

A DateTime object rounded down to the start of the current 24 hour time slice.

get24HourTimeSlice

public static org.joda.time.DateTime get24HourTimeSlice(org.joda.time.DateTime time)

This method determines the 24 hour time slice for the specified time and returns the start of that time slice.

Parameters:

time - The DateTime to be rounded down

Returns:

A DateTime rounded down to the start of the 24 hour time slice in which the time parameter falls.

See Also:

current24HourTimeSlice()

getTimeSlice

public static long getTimeSlice(long time,
                                org.joda.time.Duration duration)

getTimeSlice

public static org.joda.time.DateTime getTimeSlice(org.joda.time.DateTime dt,
                                                  org.joda.time.Duration duration)

startOfNextOddHour

public static TemporalAdjuster startOfNextOddHour()

startOfPreviousEvenHour

public static TemporalAdjuster startOfPreviousEvenHour()