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RE: Schema concepts

• From: Marc.McDonald@D...
• To: xml-dev@x...
• Date: Wed, 16 Feb 2000 15:32:06 -0800

"Wang,David" wrote:
> 
> Very simple.  Terseness is not a design goal. :-)
(...)
> OOP classes binds "elements and types" together as one (implicitly),
whereas
> in XML Schema they are actually separated, so all elements have to have a
> type or datatype.  Thus, you'd have to build up a type-hierarchy alongside
> an element one, depending on how you want to use it.

Sounds more like a class-instance model. Classes can inherit from classes,
but are purely definitional. Only instances can have data and they are of a
certain class. Instances can't inherit from instances. 

An object-prototype model is far more flexible and less verbose.

Marc B. McDonald 
Principal Software Scientist
Design Intelligence Inc
(www.design-intelligence.com)

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