de.aristaflow.adept2.util.time

Class TimeCalculations

java.lang.Object

de.aristaflow.adept2.util.time.TimeCalculations

public class TimeCalculations
extends java.lang.Object

This class provides the means to incorporate local public holidays when doing time calculations.

Author:

Ulrich Kreher

Constructor Summary

Constructors

Constructor and Description
TimeCalculations() Creates new time calculations based on the default locale of the JVM.
TimeCalculations(java.util.Locale locale) Creates new time calculations based on the designated locale, that is the localised public holidays.

Method Summary

Modifier and Type	Method and Description
java.util.Calendar	getWorkingDayAfter(java.util.Calendar fromDate, int workingDaysToAdd) Calculates the next working day when adding the designated amount of workdays to the designated date.
static long	timeLeft(long startInNanos, long duration, java.util.concurrent.TimeUnit unit) Gets the time in the designated unit that is left of the designated duration since the designated start.

Methods inherited from class java.lang.Object

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

Constructor Detail

TimeCalculations

public TimeCalculations()

Creates new time calculations based on the default locale of the JVM.

TimeCalculations

public TimeCalculations(java.util.Locale locale)

Creates new time calculations based on the designated locale, that is the localised public holidays.

Parameters:

locale - The locale to use for the time calculations.

Method Detail

getWorkingDayAfter

public java.util.Calendar getWorkingDayAfter(java.util.Calendar fromDate,
                                             int workingDaysToAdd)

Calculates the next working day when adding the designated amount of workdays to the designated date. The returned day will be a working day.

Parameters:

fromDate - The date to start the calculation.

workingDaysToAdd - The amount of working days to add to the start date.

Returns:

The working day which is the designated amount of working days after the designated date.

timeLeft

public static long timeLeft(long startInNanos,
                            long duration,
                            java.util.concurrent.TimeUnit unit)

Gets the time in the designated unit that is left of the designated duration since the designated start. That is duration - (now - startInNanos) adjusted appropriately to the designated time unit.

Parameters:

startInNanos - The time in nanoseconds the waiting has started.

duration - The time in the designated time unit, the waiting should take.

unit - The unit of the duration and the calculated time left.

Returns:

The time left of the designated duration in the designated time unit. If this is 0 or a negative value, the duration has elapsed.