I suppose I should note that this is the second possible example of a
requirement for multiply/divide on a duration.
Stephen
Stephen Colebourne wrote:
Carl Henrik Janson wrote:
Thanks for providing joda time!
Thanks for your interest
DateTime end = new DateTime(2006, 3, 16, 9, 21, 0, 0);
DateTime start = new DateTime(1960, 3, 1, 9, 45, 0, 0);
Period period = new Period(start, end, PeriodType.yyy());
double daysOldWithFraction = period.xxx();
I need to produce a number like the format used in excel, inter alias
16815,98 in this example. How do I do that ? Am I on track ? What xxx
and yyy produces what I need ?
Unfortunately, the Joda-Time model is not setup to suport fractional
days, only fractional seconds.
There is no simple workaround, as we can't assume that a day is
necessarily 24 hours long. Thus, to support your request, the whole
model of a period would need to change!
The best I can suggest is to use the PeriodType.days() to get the
whole number of days between your DateTime objects and then calculate
the fraction from the remainder:
DateTime start = new DateTime(1960, 3, 1, 9, 45, 0, 0);
DateTime end = new DateTime(2006, 3, 16, 9, 21, 0, 0);
Period wholeDays = new Period(start, end, PeriodType.days());
DateTime startRemainder = start.plus(wholeDays);
DateTime startRemPlusOne = startRemainder.plusDays(1);
Duration remainderDur = new Duration(startRemainder, end);
Duration wholeDayDur = new Duration(startRemainder, startRemPlusOne);
double fraction = remainderDur.getMillis() / wholeDayDur.getMillis();
fraction += wholeDays.getDays();
Stephen
Many thanks for any reply, hopefully even with a couple of lines of
code.
Sincerely
Carl Henrik Janson
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