Can castor retrieve the comnstraints provided in an xml schema

Question

hi,
plz help me !!!!!!!!!!!
does castor provide any function to retrieve the constraints
defined in an xsd
i know it provides functions for setting the constraints
can i retrieve the value of constraints fromthe descriptor files returned by cator
while unmarshalling the xsd file .
thaks

Answer 1

Hi 00ps, the way to do this with XSD schemas is to use a "choice" node, where you can select either BusinessEntity or Person.  Each of these nodes can then have different elements (inherited from a common source if you desire).
Whilst doing all this is entirely possible with the BizTalk schema editor, it is far, far easier to use a specialist tool such as
XMLSpy, which makes defining complex relationships an easy task.  For example, here is a similar sort of restriction I have in place on a schema:
The "party" element is used in multiple schemas through the use of an import.  You can either use
organisation or individual, they both use a common element called
contact which contains address information etc which would be the same for both, but allow for different structures for party types.
As you can see from the screen-shot, it's a lot easier to visualise with XML Spy.  The XSD notation is:
<xs:choice>
<xs:element name="organisation">
...blah...
</xs:element>
<xs:element name="individual">
...blah...
</xs:element>
</xs:choice>
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