At a high level, recurring and single events don't have to have different properties IMO, depending on how you structure the series of event references. If you separate the event information from the "scheduling", having an array, hash, whatever of scheduled events would simply hold references to the event object to access the event details. All event objects could have a "recurring event" property and the required extra parameters defining the recurrence. Any action on an object marked as a "recurring event" would kick off special routines to populate the extra event object references in the "scheduling" list or update those references if an event object is changed, deleted, or say converted to a standalone event.
Just my 2 cents, Bobby -----Original Message----- From: Dave Rolsky [mailto:[EMAIL PROTECTED] Sent: Wednesday, May 16, 2007 2:04 PM To: datetime Subject: Re: DateTime::Event again On Wed, 16 May 2007, Simon Wistow wrote: > On Wed, May 16, 2007 at 04:46:56PM +0100, Zefram said: >> A "recurring event" is not a single event. It is a structured group of >> events. You should have distinct classes for single event and recurrence. >> Most of the methods you list are applicable to one class or the other, >> not both. > > Hmm, I disagree. In every calendaring system I've come across a > recurring event and a single event are represented as the same thing > only with different properties. A recurring event is a single entity - > it is one thing and should only be stored one time. I think you're mixing together the end-user view of an event and the program API view. Clearly, when one is programming a calendar system, recurring and single events would have to have some different properties. > Using your description, a one-off event could be described as a > structured group containing only one event. That's not a bad idea. A better distinction might be between a recurring event (every Tuesday at noon) and a specific instance of that recurring event (May 15 at noon). -dave /*=================================================== VegGuide.Org www.BookIRead.com Your guide to all that's veg. My book blog ===================================================*/
