Ah I see, no worries and thanks for explaining, wasn't directed at you
so much just a general rant about editing comments :-)

Regards
Scott

2008/9/13 Adrian Crum <[EMAIL PROTECTED]>:
> Sorry Scott. After I saved the comment, Jira reformatted the text - making it 
> hard to read. So, I had to edit it to get the formatting back.
>
> -Adrian
>
>
> --- On Fri, 9/12/08, Scott Gray <[EMAIL PROTECTED]> wrote:
>
>> From: Scott Gray <[EMAIL PROTECTED]>
>> Subject: Re: [jira] Issue Comment Edited: (OFBIZ-1956) Improved Recurring 
>> Events
>> To: dev@ofbiz.apache.org
>> Date: Friday, September 12, 2008, 5:32 PM
>> As I've mentioned before, edited comments are a PITA.  I
>> took the time
>> to read Adrian's initial comment only to find the next
>> email in my
>> inbox was the one below but I have no way of knowing what
>> was changed.
>>
>> Everyone, whenever possible please avoid editing comments
>> and just
>> post a new correcting comment instead.
>>
>> Thanks
>> Scott
>>
>> 2008/9/13 Adrian Crum (JIRA) <[EMAIL PROTECTED]>:
>> >
>> >    [
>> https://issues.apache.org/jira/browse/OFBIZ-1956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12630717#action_12630717
>> ]
>> >
>> > [EMAIL PROTECTED] edited comment on OFBIZ-1956 at
>> 9/12/08 5:19 PM:
>> >
>> -------------------------------------------------------------
>> >
>> > As was discussed on the dev mailing list...
>> >
>> > The proposed recurrence system is based
>> > on a design proposed by Martin Fowler -
>> > http://martinfowler.com/apsupp/recurring.pdf. His
>> design is quite old,
>> > so I updated it to support internationalization and I
>> expanded it.
>> >
>> > The design is extremely flexible and it allows for
>> arbitrarily complex
>> > recurring events. The design is based on temporal
>> expressions. Each
>> > temporal expression could be considered a rule - like
>> "every Monday" or
>> > "the 15th of the month."
>> >
>> > Temporal expressions can used alone or they can be
>> combined in any of
>> > three "collection" expressions - Union,
>> Intersection, and Difference. A
>> > date will match a Union collection if any of its
>> expressions match
>> > (logical OR). A date will match an Intersection
>> collection if all of its
>> > expressions match (logical AND). A date will match a
>> Difference
>> > collection if it matches the "included"
>> expression and doesn't match the
>> > "excluded" expression.
>> >
>> > Using Bilgin's Happy Hour promotion as an example:
>> >
>> > Intersection
>> > ..DayOfWeekRange(Monday, Friday)
>> > ..TimeOfDayRange(15:00, 17:00)
>> >
>> > Let's say we want to exclude St. Patrick's Day
>> from the Happy Hour
>> > promotion:
>> >
>> > Difference
>> > ..Include
>> > ....Intersection
>> > ......DayOfWeekRange(Monday, Friday)
>> > ......TimeOfDayRange(15:00, 17:00)
>> > ....Exclude
>> > ......Intersection
>> > ........MonthRange(March, March)
>> > ........DayOfMonthRange(17, 17)
>> >
>> > A semi-monthly payday:
>> >
>> > Union
>> > ..DayOfMonthRange(1, 1)
>> > ..DayOfMonthRange(15, 15)
>> >
>> > Labor Day (US):
>> >
>> > Intersection
>> > ..MonthRange(September, September)
>> > ..DayInMonth(Monday, 1)
>> >
>> > A schedule is made up of schedule items. Each schedule
>> item "points to"
>> > a temporal expression. It also has duration
>> information, and an item
>> > type ID (meeting, appointment, etc).
>> >
>> > Schedules can be linked to parties/facilities/fixed
>> assets through
>> > relationship entities.
>> >
>> > The implementation requires four new entities. I
>> picture this being introduced in the framework and we can
>> gradually migrate the existing recurrence code over to it.
>> In addition, I
>> > could write a conversion routine to convert the
>> existing Recurrence*
>> > entities over to the new ones.
>> >
>> >
>> >      was (Author: [EMAIL PROTECTED]):
>> >    As was discussed on the dev mailing list...
>> >
>> > The proposed recurrence system is based
>> > on a design proposed by Martin Fowler -
>> > http://martinfowler.com/apsupp/recurring.pdf. His
>> design is quite old,
>> > so I updated it to support internationalization and I
>> expanded it.
>> >
>> > The design is extremely flexible and it allows for
>> arbitrarily complex
>> > recurring events. The design is based on temporal
>> expressions. Each
>> > temporal expression could be considered a rule - like
>> "every Monday" or
>> > "the 15th of the month."
>> >
>> > Temporal expressions can used alone or they can be
>> combined in any of
>> > three "collection" expressions - Union,
>> Intersection, and Difference. A
>> > date will match a Union collection if any of its
>> expressions match
>> > (logical OR). A date will match an Intersection
>> collection if all of its
>> > expressions match (logical AND). A date will match a
>> Difference
>> > collection if it matches the "included"
>> expression and doesn't match the
>> > "excluded" expression.
>> >
>> > Using Bilgin's Happy Hour promotion as an example:
>> >
>> > Intersection
>> >   DayOfWeekRange(Monday, Friday)
>> >   TimeOfDayRange(15:00, 17:00)
>> >
>> > Let's say we want to exclude St. Patrick's Day
>> from the Happy Hour
>> > promotion:
>> >
>> > Difference
>> >   Include
>> >     Intersection
>> >       DayOfWeekRange(Monday, Friday)
>> >       TimeOfDayRange(15:00, 17:00)
>> >   Exclude
>> >     Intersection
>> >       MonthRange(March, March)
>> >       DayOfMonthRange(17, 17)
>> >
>> > A semi-monthly payday:
>> >
>> > Union
>> >   DayOfMonthRange(1, 1)
>> >   DayOfMonthRange(15, 15)
>> >
>> > Labor Day (US):
>> >
>> > Intersection
>> >   MonthRange(September, September)
>> >   DayInMonth(Monday, 1)
>> >
>> > A schedule is made up of schedule items. Each schedule
>> item "points to"
>> > a temporal expression. It also has duration
>> information, and an item
>> > type ID (meeting, appointment, etc).
>> >
>> > Schedules can be linked to parties/facilities/fixed
>> assets through
>> > relationship entities.
>> >
>> > The implementation requires four new entities. I
>> picture this being introduced in the framework and we can
>> gradually migrate the existing recurrence code over to it.
>> In addition, I
>> > could write a conversion routine to convert the
>> existing Recurrence*
>> > entities over to the new ones.
>> >
>> >
>> >> Improved Recurring Events
>> >> -------------------------
>> >>
>> >>                 Key: OFBIZ-1956
>> >>                 URL:
>> https://issues.apache.org/jira/browse/OFBIZ-1956
>> >>             Project: OFBiz
>> >>          Issue Type: Improvement
>> >>          Components: framework
>> >>    Affects Versions: SVN trunk
>> >>            Reporter: Adrian Crum
>> >>            Priority: Minor
>> >>
>> >> Come up with an improved recurring event
>> implementation. Details in comments.
>> >
>> > --
>> > This message is automatically generated by JIRA.
>> > -
>> > You can reply to this email to add a comment to the
>> issue online.
>> >
>> >
>
>
>
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