hirondelle.formula.function.builtin
Class JulianDate

Object
  hirondelle.formula.function.builtin.JulianDate

All Implemented Interfaces:

Function

public final class JulianDate
extends Object
implements Function

jd(year, month, day): the Julian Date of a calendar date.

The Julian Date is defined by astronomers as a simple sequential date reckoning. Its primary use is to make it simple to calculate the number of days between two dates in the Gregorian calendar.

Constructor Summary

JulianDate()

Method Summary

Decimal

calculate(Decimal... aArgs) Takes 3 parameters for year, month, and day.

Methods inherited from class Object

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

Constructor Detail

JulianDate

public JulianDate()

Method Detail

calculate

public Decimal calculate(Decimal... aArgs)

Takes 3 parameters for year, month, and day. The day may contain a fraction. Uses Check.date(Decimal, Decimal, Decimal).

Specified by:

calculate in interface Function

Parameters:

aArgs - 0 or more arguments to the function.