public static DateTimeEx RollOne(
DateTimeEx dateTime,
string fieldName,
bool flagValue)
{
switch (fieldName)
{
case "date":
return(flagValue ? dateTime.AddDays(1) : dateTime.AddDays(-1));
default:
throw new EPException("Invalid field name '" + fieldName + "'");
}
}
/// <summary>
/// NOTE: Code-generation-invoked method, method name and parameter order matters
/// </summary>
/// <param name="dtx">calendar</param>
/// <param name="factor">factor</param>
/// <param name="tp">duration</param>
public static DateTimeEx ActionCalendarPlusMinusTimePeriod(
DateTimeEx dtx,
int factor,
TimePeriod tp)
{
if (tp == null) {
return dtx;
}
if (tp.Years != null) {
dtx.AddYears(factor * tp.Years.Value);
}
if (tp.Months != null) {
dtx.AddMonths(factor * tp.Months.Value);
}
if (tp.Weeks != null) {
dtx.AddDays(factor * tp.Weeks.Value * 7);
}
if (tp.Days != null) {
dtx.AddDays(factor * tp.Days.Value);
}
if (tp.Hours != null) {
dtx.AddHours(factor * tp.Hours.Value);
}
if (tp.Minutes != null) {
dtx.AddMinutes(factor * tp.Minutes.Value);
}
if (tp.Seconds != null) {
dtx.AddSeconds(factor * tp.Seconds.Value);
}
if (tp.Milliseconds != null) {
dtx.AddMilliseconds(factor * tp.Milliseconds.Value);
}
return dtx;
}
public static void Action(DateTimeEx dateTime, int factor, TimePeriod tp)
{
if (tp == null)
{
return;
}
if (tp.Years != null)
{
dateTime.AddYears(tp.Years.Value * factor);
}
if (tp.Months != null)
{
dateTime.AddMonths(tp.Months.Value * factor, DateTimeMathStyle.Java);
}
if (tp.Weeks != null)
{
dateTime.AddDays(tp.Weeks.Value * 7 * factor, DateTimeMathStyle.Java);
}
if (tp.Days != null)
{
dateTime.AddDays(tp.Days.Value * factor, DateTimeMathStyle.Java);
}
if (tp.Hours != null)
{
dateTime.AddHours(tp.Hours.Value * factor, DateTimeMathStyle.Java);
}
if (tp.Minutes != null)
{
dateTime.AddMinutes(tp.Minutes.Value * factor, DateTimeMathStyle.Java);
}
if (tp.Seconds != null)
{
dateTime.AddSeconds(tp.Seconds.Value * factor, DateTimeMathStyle.Java);
}
if (tp.Milliseconds != null)
{
dateTime.AddMilliseconds(tp.Milliseconds.Value * factor, DateTimeMathStyle.Java);
}
}
/// <summary>
/// NOTE: Code-generation-invoked method, method name and parameter order matters
/// </summary>
/// <param name="dtx">calendar</param>
/// <param name="factor">factor</param>
/// <param name="duration">duration</param>
public static DateTimeEx ActionCalendarPlusMinusNumber(
DateTimeEx dtx,
int factor,
long? duration)
{
if (duration == null) {
return dtx;
}
if (duration < int.MaxValue) {
dtx.AddMilliseconds((int) (factor * duration));
return dtx;
}
var days = (int) (duration / (1000L * 60 * 60 * 24));
var msec = (int) (duration - days * 1000L * 60 * 60 * 24);
dtx.AddMilliseconds(factor * msec);
dtx.AddDays(factor * days);
return dtx;
}
public void Add(DateTimeEx dateTime, int value)
{
dateTime.AddDays(value, DateTimeMathStyle.Java);
}
/// <summary>
/// Determine the next valid day of month based on the given specification of valid days in month and
/// valid days in week. If both days in week and days in month are supplied, the days are OR-ed.
/// </summary>
/// <param name="spec"></param>
/// <param name="after"></param>
/// <param name="result"></param>
/// <returns></returns>
private static int DetermineDayOfMonth(ScheduleSpec spec, DateTimeEx after, ScheduleCalendar result)
{
ICollection <Int32> daysOfMonthSet = spec.UnitValues.Get(ScheduleUnit.DAYS_OF_MONTH);
ICollection <Int32> daysOfWeekSet = spec.UnitValues.Get(ScheduleUnit.DAYS_OF_WEEK);
ICollection <Int32> secondsSet = spec.UnitValues.Get(ScheduleUnit.SECONDS);
ICollection <Int32> minutesSet = spec.UnitValues.Get(ScheduleUnit.MINUTES);
ICollection <Int32> hoursSet = spec.UnitValues.Get(ScheduleUnit.HOURS);
int dayOfMonth;
// If days of week is a wildcard, just go by days of month
if (spec.OptionalDayOfMonthOperator != null || spec.OptionalDayOfWeekOperator != null)
{
var isWeek = false;
var op = spec.OptionalDayOfMonthOperator;
if (spec.OptionalDayOfMonthOperator == null)
{
op = spec.OptionalDayOfWeekOperator;
isWeek = true;
}
// may return the current day or a future day in the same month,
// and may advance the "after" date to the next month
int currentYYMMDD = GetTimeYYYYMMDD(after);
IncreaseAfterDayOfMonthSpecialOp(op.Operator, op.Day, op.Month, isWeek, after);
int rolledYYMMDD = GetTimeYYYYMMDD(after);
// if rolled then reset time portion
if (rolledYYMMDD > currentYYMMDD)
{
result.Second = (NextValue(secondsSet, 0));
result.Minute = (NextValue(minutesSet, 0));
result.Hour = (NextValue(hoursSet, 0));
return(after.GetFieldValue(DateTimeFieldEnum.DAY_OF_MONTH));
}
// rolling backwards is not allowed
else if (rolledYYMMDD < currentYYMMDD)
{
throw new IllegalStateException("Failed to evaluate special date op, rolled date less then current date");
}
else
{
var work = new DateTimeEx(after);
work.SetFieldValue(DateTimeFieldEnum.SECOND, result.Second);
work.SetFieldValue(DateTimeFieldEnum.MINUTE, result.Minute);
work.SetFieldValue(DateTimeFieldEnum.HOUR_OF_DAY, result.Hour);
if (work <= after)
{ // new date is not after current date, so bump
after.AddUsingField(DateTimeFieldEnum.DAY_OF_MONTH, 1);
result.Second = NextValue(secondsSet, 0);
result.Minute = NextValue(minutesSet, 0);
result.Hour = NextValue(hoursSet, 0);
IncreaseAfterDayOfMonthSpecialOp(op.Operator, op.Day, op.Month, isWeek, after);
}
return(after.GetFieldValue(DateTimeFieldEnum.DAY_OF_MONTH));
}
}
else if (daysOfWeekSet == null)
{
dayOfMonth = NextValue(daysOfMonthSet, after.Day);
if (dayOfMonth != after.Day)
{
result.Second = NextValue(secondsSet, 0);
result.Minute = NextValue(minutesSet, 0);
result.Hour = NextValue(hoursSet, 0);
}
if (dayOfMonth == -1)
{
dayOfMonth = NextValue(daysOfMonthSet, 0);
after.AddMonths(1, DateTimeMathStyle.Java);
}
}
// If days of weeks is not a wildcard and days of month is a wildcard, go by days of week only
else if (daysOfMonthSet == null)
{
// Loop to find the next day of month that works for the specified day of week values
while (true)
{
dayOfMonth = after.Day;
int dayOfWeek = (int)after.DayOfWeek;
// TODO
//
// Check the DayOfWeek logic in this section. The former code reads something
// like the following:
//
// Calendar.Get(after, SupportClass.CalendarManager.DAY_OF_WEEK) - 1;
//
// Java calendars are one based which means that subtracting one makes them
// zero-based. CLR DateTimes are zero-based so there should be no need to
// tweak the dates to make this work.
// If the day matches neither the day of month nor the day of week
if (!daysOfWeekSet.Contains(dayOfWeek))
{
result.Second = NextValue(secondsSet, 0);
result.Minute = NextValue(minutesSet, 0);
result.Hour = NextValue(hoursSet, 0);
after.AddDays(1, DateTimeMathStyle.Java);
}
else
{
break;
}
}
}
// Both days of weeks and days of month are not a wildcard
else
{
// Loop to find the next day of month that works for either day of month OR day of week
while (true)
{
dayOfMonth = after.Day;
int dayOfWeek = (int)after.DayOfWeek;
// TODO
//
// See my discussion above about day of week conversion
// If the day matches neither the day of month nor the day of week
if ((!daysOfWeekSet.Contains(dayOfWeek)) && (!daysOfMonthSet.Contains(dayOfMonth)))
{
result.Second = NextValue(secondsSet, 0);
result.Minute = NextValue(minutesSet, 0);
result.Hour = NextValue(hoursSet, 0);
after.AddDays(1, DateTimeMathStyle.Java);
}
else
{
break;
}
}
}
return(dayOfMonth);
}
public void Add(
DateTimeEx dtx,
int value)
{
dtx.AddDays(7 * value);
}
