Aron Olsen created XMLSCHEMA-48:
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Summary: How to inherit attributes down to final complex type
Key: XMLSCHEMA-48
URL: https://issues.apache.org/jira/browse/XMLSCHEMA-48
Project: XmlSchema
Issue Type: Question
Affects Versions: 2.2.1
Reporter: Aron Olsen
Priority: Trivial
Fix For: 2.1.1
Hi there,
I am in the scenary of traversing the out-come of reading an XSD.
I am somewhat trying to simplify the output of XMLSchema, in order to have the
properties (elements and attributes) mapped to DB-tables (complex types) and
DB-table-columns (mayby XSD-complex, geometries for instance or other
DB-complex-types or XSD-simple, string, int etc.).
I am bewildered about how attributes are to be inherited down to a complex XSD
type when deriving from another XSD-type by restriction. As I have learned so
far, all attributes are to be inherited by default, as opposed to
element-properties of the base-type.
Is this rightly understood by me?
In my simplified model I keep track of the base-type hierarchy, and how the
inheritance is defined (extension, restriction, final). For each level I have
tracked all the attributes of each complex type. Do I need to "collect"
base-type attributes not referenced in a current complex type, when the current
complex type is deriving from a super-type by restriction?
In other words: Do XmlSchema do any automic inheritance derivations "behind the
scenes", or do we have to do such on our own behalf?
As you will understand: If XmlSchema is not doing the attribute-inheriting for
me, I have to do it my self. This will involve "inherit all attributes from
base-type which is not mentioned in current type".
Hope my question is understandable: How to inherit attributes when extending by
restriction.
/Aron
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