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Subject: RE: [obix-xml] oBIX Scheduling

Do we include points actually in the vCalendar? I can see….

(note: pseudo XML, not  any  actual implementation)


Postulate separate objects in the oBIX payload












I could imagine (A)

<contract1 schedule=”calendar1”>

<contract2 schedule=”calendar1”>

<contract3 schedule=”calendar1,calendar3”>


Alternately, I could imagine (B)


<calendar1 invokes=”contract1”>

<calendar2 invokes=”contract1,contract3”>

<calendar3 invokes=”contract4”>


This moves invocation of point or  event outside the calendar item and creates a more general purpose calendar item. Personally, I prefer the (a) approach. But not strongly…



"A man should never be ashamed to own that he has been in the wrong, which is but saying ... that he is wiser today than yesterday." -- Jonathan Swift

Toby Considine

Facilities Technology Office
University of North Carolina
Chapel Hill, NC


Email: Toby.Considine@ unc.edu
Phone: (919)962-9073


blog: www.NewDaedalus.com



From: Brian Frank [mailto:bfrank@tridium.com]
Sent: Wednesday, October 22, 2008 11:28 AM
To: obix-xml@lists.oasis-open.org
Subject: RE: [obix-xml] oBIX Scheduling


Yes let’s definitely setup a meeting.


This is great that we finally have some stuff written down.  Couple comments:


- I do not think vcalendar should implement Point – intuitively it doesn’t seem like calendars are hard or logical points


- I think it ok that we can’t capture the contract of consistent values;  no type system can perfectly model every contract;  so I don’t think we should complicate things by trying to create specialized bool, real, etc calendars;


- I don’t get the priority of 1 or 0 – is that the range?  If so why not use a boolean?


- getSchedule doesn’t sound like an operation – it sounds like a JavaBeans getter; I’d vote for something like flatten, periods, toSchedule, scheduleFor


- We should translate dashes to camel case for example last-modified should be lastModified


- Shouldn’t Vevent and Period have a value slot?


- Does it make sense for Period to include end and duration when that can be derived?



From: Aaron Hansen [mailto:a.hansen@controlco.com]
Sent: Monday, October 20, 2008 6:59 PM
To: obix-xml@lists.oasis-open.org
Subject: [obix-xml] oBIX Scheduling


Lets schedule a meeting to discuss.


?         Should Vcalendar implement obix:Point.

?         Should we define calendars and events of specific types (bool,real...)?

?         defaultValue object under Vcalendar?

?         How can the getSchedule operation be modified to more closely support free/busy requests?


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