Package pro.taskana.common.api

Interface WorkingTimeCalculator

All Known Implementing Classes:

WorkingTimeCalculatorImpl

public interface WorkingTimeCalculator

Method Summary

Modifier and Type	Method	Description
Instant	addWorkingTime(Instant workStart, Duration workingTime)	Adds workingTime from workStart.
boolean	isGermanHoliday(Instant instant)	Decides whether instant is a holiday in Germany.
boolean	isHoliday(Instant instant)	Decides whether { @code instant} is a holiday.
boolean	isWeekend(Instant instant)	Decides whether instant is a weekend day.
boolean	isWorkingDay(Instant instant)	Decides whether instant is a working day.
default boolean	isWorkingTimeBetween(Instant first, Instant second)	Decides whether there is any working time between first and second.
Instant	subtractWorkingTime(Instant workStart, Duration workingTime)	Subtracts workingTime from workStart.
Duration	workingTimeBetween(Instant first, Instant second)	Calculates the working time between first and second according to the configured working time schedule.

Method Detail

subtractWorkingTime

Instant subtractWorkingTime(Instant workStart,
                            Duration workingTime)
                     throws InvalidArgumentException

Subtracts workingTime from workStart. Respects the configured working time schedule and Holidays.

The returned Instant denotes the first time in point the work time starts or in short it is inclusive.

E.g can be used for planned date calculation.

Parameters:

workStart - The Instant workingTime is subtracted from.

workingTime - The Duration to subtract from workStart. May have any resolution Duration supports, e.g. minutes or seconds.

Returns:

A new Instant which represents the subtraction of working time.

Throws:

InvalidArgumentException - If workingTime is negative.

addWorkingTime

Instant addWorkingTime(Instant workStart,
                       Duration workingTime)
                throws InvalidArgumentException

Adds workingTime from workStart. Respects the configured working time schedule and Holidays.

The returned Instant denotes the first time in point the work time has ended or in short it is exclusive.

E.g can be used for due date calculation.

Parameters:

workStart - The Instant workingTime is added to.

workingTime - The Duration to add to workStart. May have any resolution Duration supports, e.g. minutes or seconds.

Returns:

A new Instant which represents the addition of working time.

Throws:

InvalidArgumentException - If workingTime is negative.

workingTimeBetween

Duration workingTimeBetween(Instant first,
                            Instant second)
                     throws InvalidArgumentException

Calculates the working time between first and second according to the configured working time schedule. The returned Duration is precise to nanoseconds.

This method does not impose any ordering on first or second.

Parameters:

first - An Instant denoting the start or end of the considered time frame.

second - An Instant denoting the start or end of the considered time frame.

Returns:

The Duration representing the working time between first and to .

Throws:

InvalidArgumentException - If either first or second is null.

isWorkingTimeBetween

default boolean isWorkingTimeBetween(Instant first,
                                     Instant second)
                              throws InvalidArgumentException

Decides whether there is any working time between first and second.

Throws:

InvalidArgumentException

See Also:

workingTimeBetween(Instant, Instant)

isWorkingDay

boolean isWorkingDay(Instant instant)

Decides whether instant is a working day.

Parameters:

instant - The Instant to check. May not be null.

Returns:

true if instant is a working day. false otherwise.

isWeekend

boolean isWeekend(Instant instant)

Decides whether instant is a weekend day.

Parameters:

instant - The Instant to check. May not be null.

Returns:

true if instant is a weekend day. false otherwise.

isHoliday

boolean isHoliday(Instant instant)

Decides whether { @code instant} is a holiday.

Parameters:

instant - The Instant to check. May not be null.

Returns:

true if instant is a holiday. false otherwise.

isGermanHoliday

boolean isGermanHoliday(Instant instant)

Decides whether instant is a holiday in Germany.

Parameters:

instant - The Instant to check. May not be null.

Returns:

true if instant is a holiday in Germany. false otherwise.